[Sync] Move //sync to //components/sync.

sync/internal_api/sync_manager_impl_unittest.cc

-// Copyright 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Unit tests for the SyncApi. Note that a lot of the underlying
-// functionality is provided by the Syncable layer, which has its own
-// unit tests. We'll test SyncApi specific things in this harness.
-
-#include "sync/internal_api/sync_manager_impl.h"
-
-#include <stdint.h>
-
-#include <cstddef>
-#include <map>
-#include <memory>
-#include <utility>
-
-#include "base/callback.h"
-#include "base/compiler_specific.h"
-#include "base/files/scoped_temp_dir.h"
-#include "base/format_macros.h"
-#include "base/location.h"
-#include "base/run_loop.h"
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/stringprintf.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/test/values_test_util.h"
-#include "base/values.h"
-#include "google_apis/gaia/gaia_constants.h"
-#include "sync/engine/sync_scheduler.h"
-#include "sync/internal_api/public/base/attachment_id_proto.h"
-#include "sync/internal_api/public/base/cancelation_signal.h"
-#include "sync/internal_api/public/base/model_type_test_util.h"
-#include "sync/internal_api/public/change_record.h"
-#include "sync/internal_api/public/engine/model_safe_worker.h"
-#include "sync/internal_api/public/engine/polling_constants.h"
-#include "sync/internal_api/public/events/protocol_event.h"
-#include "sync/internal_api/public/http_post_provider_factory.h"
-#include "sync/internal_api/public/http_post_provider_interface.h"
-#include "sync/internal_api/public/read_node.h"
-#include "sync/internal_api/public/read_transaction.h"
-#include "sync/internal_api/public/test/test_entry_factory.h"
-#include "sync/internal_api/public/test/test_internal_components_factory.h"
-#include "sync/internal_api/public/test/test_user_share.h"
-#include "sync/internal_api/public/write_node.h"
-#include "sync/internal_api/public/write_transaction.h"
-#include "sync/internal_api/sync_encryption_handler_impl.h"
-#include "sync/internal_api/syncapi_internal.h"
-#include "sync/js/js_backend.h"
-#include "sync/js/js_event_handler.h"
-#include "sync/js/js_test_util.h"
-#include "sync/protocol/bookmark_specifics.pb.h"
-#include "sync/protocol/encryption.pb.h"
-#include "sync/protocol/extension_specifics.pb.h"
-#include "sync/protocol/password_specifics.pb.h"
-#include "sync/protocol/preference_specifics.pb.h"
-#include "sync/protocol/proto_value_conversions.h"
-#include "sync/protocol/sync.pb.h"
-#include "sync/sessions/sync_session.h"
-#include "sync/syncable/directory.h"
-#include "sync/syncable/entry.h"
-#include "sync/syncable/mutable_entry.h"
-#include "sync/syncable/nigori_util.h"
-#include "sync/syncable/syncable_id.h"
-#include "sync/syncable/syncable_read_transaction.h"
-#include "sync/syncable/syncable_util.h"
-#include "sync/syncable/syncable_write_transaction.h"
-#include "sync/test/callback_counter.h"
-#include "sync/test/engine/fake_model_worker.h"
-#include "sync/test/engine/fake_sync_scheduler.h"
-#include "sync/test/engine/test_id_factory.h"
-#include "sync/test/fake_encryptor.h"
-#include "sync/util/cryptographer.h"
-#include "sync/util/extensions_activity.h"
-#include "sync/util/mock_unrecoverable_error_handler.h"
-#include "sync/util/time.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/protobuf/src/google/protobuf/io/coded_stream.h"
-#include "third_party/protobuf/src/google/protobuf/io/zero_copy_stream_impl_lite.h"
-#include "url/gurl.h"
-
-using base::ExpectDictStringValue;
-using testing::_;
-using testing::DoAll;
-using testing::InSequence;
-using testing::Return;
-using testing::SaveArg;
-using testing::StrictMock;
-
-namespace syncer {
-
-using sessions::SyncSessionSnapshot;
-using syncable::GET_BY_HANDLE;
-using syncable::IS_DEL;
-using syncable::IS_UNSYNCED;
-using syncable::NON_UNIQUE_NAME;
-using syncable::SPECIFICS;
-using syncable::kEncryptedString;
-
-namespace {
-
-// Makes a child node under the type root folder.  Returns the id of the
-// newly-created node.
-int64_t MakeNode(UserShare* share,
-                 ModelType model_type,
-                 const std::string& client_tag) {
-  WriteTransaction trans(FROM_HERE, share);
-  WriteNode node(&trans);
-  WriteNode::InitUniqueByCreationResult result =
-      node.InitUniqueByCreation(model_type, client_tag);
-  EXPECT_EQ(WriteNode::INIT_SUCCESS, result);
-  node.SetIsFolder(false);
-  return node.GetId();
-}
-
-// Makes a non-folder child of the root node.  Returns the id of the
-// newly-created node.
-int64_t MakeNodeWithRoot(UserShare* share,
-                         ModelType model_type,
-                         const std::string& client_tag) {
-  WriteTransaction trans(FROM_HERE, share);
-  ReadNode root_node(&trans);
-  root_node.InitByRootLookup();
-  WriteNode node(&trans);
-  WriteNode::InitUniqueByCreationResult result =
-      node.InitUniqueByCreation(model_type, root_node, client_tag);
-  EXPECT_EQ(WriteNode::INIT_SUCCESS, result);
-  node.SetIsFolder(false);
-  return node.GetId();
-}
-
-// Makes a folder child of a non-root node. Returns the id of the
-// newly-created node.
-int64_t MakeFolderWithParent(UserShare* share,
-                             ModelType model_type,
-                             int64_t parent_id,
-                             BaseNode* predecessor) {
-  WriteTransaction trans(FROM_HERE, share);
-  ReadNode parent_node(&trans);
-  EXPECT_EQ(BaseNode::INIT_OK, parent_node.InitByIdLookup(parent_id));
-  WriteNode node(&trans);
-  EXPECT_TRUE(node.InitBookmarkByCreation(parent_node, predecessor));
-  node.SetIsFolder(true);
-  return node.GetId();
-}
-
-int64_t MakeBookmarkWithParent(UserShare* share,
-                               int64_t parent_id,
-                               BaseNode* predecessor) {
-  WriteTransaction trans(FROM_HERE, share);
-  ReadNode parent_node(&trans);
-  EXPECT_EQ(BaseNode::INIT_OK, parent_node.InitByIdLookup(parent_id));
-  WriteNode node(&trans);
-  EXPECT_TRUE(node.InitBookmarkByCreation(parent_node, predecessor));
-  return node.GetId();
-}
-
-// Creates the "synced" root node for a particular datatype. We use the syncable
-// methods here so that the syncer treats these nodes as if they were already
-// received from the server.
-int64_t MakeTypeRoot(UserShare* share, ModelType model_type) {
-  sync_pb::EntitySpecifics specifics;
-  AddDefaultFieldValue(model_type, &specifics);
-  syncable::WriteTransaction trans(
-      FROM_HERE, syncable::UNITTEST, share->directory.get());
-  // Attempt to lookup by nigori tag.
-  std::string type_tag = ModelTypeToRootTag(model_type);
-  syncable::Id node_id = syncable::Id::CreateFromServerId(type_tag);
-  syncable::MutableEntry entry(&trans, syncable::CREATE_NEW_UPDATE_ITEM,
-                               node_id);
-  EXPECT_TRUE(entry.good());
-  entry.PutBaseVersion(1);
-  entry.PutServerVersion(1);
-  entry.PutIsUnappliedUpdate(false);
-  entry.PutParentId(syncable::Id::GetRoot());
-  entry.PutServerParentId(syncable::Id::GetRoot());
-  entry.PutServerIsDir(true);
-  entry.PutIsDir(true);
-  entry.PutServerSpecifics(specifics);
-  entry.PutSpecifics(specifics);
-  entry.PutUniqueServerTag(type_tag);
-  entry.PutNonUniqueName(type_tag);
-  entry.PutIsDel(false);
-  return entry.GetMetahandle();
-}
-
-// Simulates creating a "synced" node as a child of the root datatype node.
-int64_t MakeServerNode(UserShare* share,
-                       ModelType model_type,
-                       const std::string& client_tag,
-                       const std::string& hashed_tag,
-                       const sync_pb::EntitySpecifics& specifics) {
-  syncable::WriteTransaction trans(
-      FROM_HERE, syncable::UNITTEST, share->directory.get());
-  syncable::Entry root_entry(&trans, syncable::GET_TYPE_ROOT, model_type);
-  EXPECT_TRUE(root_entry.good());
-  syncable::Id root_id = root_entry.GetId();
-  syncable::Id node_id = syncable::Id::CreateFromServerId(client_tag);
-  syncable::MutableEntry entry(&trans, syncable::CREATE_NEW_UPDATE_ITEM,
-                               node_id);
-  EXPECT_TRUE(entry.good());
-  entry.PutBaseVersion(1);
-  entry.PutServerVersion(1);
-  entry.PutIsUnappliedUpdate(false);
-  entry.PutServerParentId(root_id);
-  entry.PutParentId(root_id);
-  entry.PutServerIsDir(false);
-  entry.PutIsDir(false);
-  entry.PutServerSpecifics(specifics);
-  entry.PutSpecifics(specifics);
-  entry.PutNonUniqueName(client_tag);
-  entry.PutUniqueClientTag(hashed_tag);
-  entry.PutIsDel(false);
-  return entry.GetMetahandle();
-}
-
-int GetTotalNodeCount(UserShare* share, int64_t root) {
-  ReadTransaction trans(FROM_HERE, share);
-  ReadNode node(&trans);
-  EXPECT_EQ(BaseNode::INIT_OK, node.InitByIdLookup(root));
-  return node.GetTotalNodeCount();
-}
-
-}  // namespace
-
-class SyncApiTest : public testing::Test {
- public:
-  void SetUp() override { test_user_share_.SetUp(); }
-
-  void TearDown() override { test_user_share_.TearDown(); }
-
- protected:
-  // Create an entry with the given |model_type|, |client_tag| and
-  // |attachment_metadata|.
-  void CreateEntryWithAttachmentMetadata(
-      const ModelType& model_type,
-      const std::string& client_tag,
-      const sync_pb::AttachmentMetadata& attachment_metadata);
-
-  // Attempts to load the entry specified by |model_type| and |client_tag| and
-  // returns the lookup result code.
-  BaseNode::InitByLookupResult LookupEntryByClientTag(
-      const ModelType& model_type,
-      const std::string& client_tag);
-
-  // Replace the entry specified by |model_type| and |client_tag| with a
-  // tombstone.
-  void ReplaceWithTombstone(const ModelType& model_type,
-                            const std::string& client_tag);
-
-  // Save changes to the Directory, destroy it then reload it.
-  bool ReloadDir();
-
-  UserShare* user_share();
-  syncable::Directory* dir();
-  SyncEncryptionHandler* encryption_handler();
-
- private:
-  base::MessageLoop message_loop_;
-  TestUserShare test_user_share_;
-};
-
-UserShare* SyncApiTest::user_share() {
-  return test_user_share_.user_share();
-}
-
-syncable::Directory* SyncApiTest::dir() {
-  return test_user_share_.user_share()->directory.get();
-}
-
-SyncEncryptionHandler* SyncApiTest::encryption_handler() {
-  return test_user_share_.encryption_handler();
-}
-
-bool SyncApiTest::ReloadDir() {
-  return test_user_share_.Reload();
-}
-
-void SyncApiTest::CreateEntryWithAttachmentMetadata(
-    const ModelType& model_type,
-    const std::string& client_tag,
-    const sync_pb::AttachmentMetadata& attachment_metadata) {
-  syncer::WriteTransaction trans(FROM_HERE, user_share());
-  syncer::ReadNode root_node(&trans);
-  root_node.InitByRootLookup();
-  syncer::WriteNode node(&trans);
-  ASSERT_EQ(node.InitUniqueByCreation(model_type, root_node, client_tag),
-            syncer::WriteNode::INIT_SUCCESS);
-  node.SetAttachmentMetadata(attachment_metadata);
-}
-
-BaseNode::InitByLookupResult SyncApiTest::LookupEntryByClientTag(
-    const ModelType& model_type,
-    const std::string& client_tag) {
-  syncer::ReadTransaction trans(FROM_HERE, user_share());
-  syncer::ReadNode node(&trans);
-  return node.InitByClientTagLookup(model_type, client_tag);
-}
-
-void SyncApiTest::ReplaceWithTombstone(const ModelType& model_type,
-                                       const std::string& client_tag) {
-  syncer::WriteTransaction trans(FROM_HERE, user_share());
-  syncer::WriteNode node(&trans);
-  ASSERT_EQ(node.InitByClientTagLookup(model_type, client_tag),
-            syncer::WriteNode::INIT_OK);
-  node.Tombstone();
-}
-
-TEST_F(SyncApiTest, SanityCheckTest) {
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    EXPECT_TRUE(trans.GetWrappedTrans());
-  }
-  {
-    WriteTransaction trans(FROM_HERE, user_share());
-    EXPECT_TRUE(trans.GetWrappedTrans());
-  }
-  {
-    // No entries but root should exist
-    ReadTransaction trans(FROM_HERE, user_share());
-    ReadNode node(&trans);
-    // Metahandle 1 can be root, sanity check 2
-    EXPECT_EQ(BaseNode::INIT_FAILED_ENTRY_NOT_GOOD, node.InitByIdLookup(2));
-  }
-}
-
-TEST_F(SyncApiTest, BasicTagWrite) {
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
-    EXPECT_EQ(kInvalidId, root_node.GetFirstChildId());
-  }
-
-  ignore_result(MakeNodeWithRoot(user_share(), BOOKMARKS, "testtag"));
-
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, "testtag"));
-    EXPECT_NE(0, node.GetId());
-
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
-    EXPECT_EQ(node.GetId(), root_node.GetFirstChildId());
-  }
-}
-
-TEST_F(SyncApiTest, BasicTagWriteWithImplicitParent) {
-  int64_t type_root = MakeTypeRoot(user_share(), PREFERENCES);
-
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    ReadNode type_root_node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, type_root_node.InitByIdLookup(type_root));
-    EXPECT_EQ(kInvalidId, type_root_node.GetFirstChildId());
-  }
-
-  ignore_result(MakeNode(user_share(), PREFERENCES, "testtag"));
-
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(PREFERENCES, "testtag"));
-    EXPECT_EQ(kInvalidId, node.GetParentId());
-
-    ReadNode type_root_node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, type_root_node.InitByIdLookup(type_root));
-    EXPECT_EQ(node.GetId(), type_root_node.GetFirstChildId());
-  }
-}
-
-TEST_F(SyncApiTest, ModelTypesSiloed) {
-  {
-    WriteTransaction trans(FROM_HERE, user_share());
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
-    EXPECT_EQ(root_node.GetFirstChildId(), 0);
-  }
-
-  ignore_result(MakeNodeWithRoot(user_share(), BOOKMARKS, "collideme"));
-  ignore_result(MakeNodeWithRoot(user_share(), PREFERENCES, "collideme"));
-  ignore_result(MakeNodeWithRoot(user_share(), AUTOFILL, "collideme"));
-
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-
-    ReadNode bookmarknode(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              bookmarknode.InitByClientTagLookup(BOOKMARKS,
-                  "collideme"));
-
-    ReadNode prefnode(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              prefnode.InitByClientTagLookup(PREFERENCES,
-                  "collideme"));
-
-    ReadNode autofillnode(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              autofillnode.InitByClientTagLookup(AUTOFILL,
-                  "collideme"));
-
-    EXPECT_NE(bookmarknode.GetId(), prefnode.GetId());
-    EXPECT_NE(autofillnode.GetId(), prefnode.GetId());
-    EXPECT_NE(bookmarknode.GetId(), autofillnode.GetId());
-  }
-}
-
-TEST_F(SyncApiTest, ReadMissingTagsFails) {
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_FAILED_ENTRY_NOT_GOOD,
-              node.InitByClientTagLookup(BOOKMARKS,
-                  "testtag"));
-  }
-  {
-    WriteTransaction trans(FROM_HERE, user_share());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_FAILED_ENTRY_NOT_GOOD,
-              node.InitByClientTagLookup(BOOKMARKS,
-                  "testtag"));
-  }
-}
-
-// TODO(chron): Hook this all up to the server and write full integration tests
-//              for update->undelete behavior.
-TEST_F(SyncApiTest, TestDeleteBehavior) {
-  int64_t node_id;
-  int64_t folder_id;
-  std::string test_title("test1");
-
-  {
-    WriteTransaction trans(FROM_HERE, user_share());
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
-
-    // we'll use this spare folder later
-    WriteNode folder_node(&trans);
-    EXPECT_TRUE(folder_node.InitBookmarkByCreation(root_node, NULL));
-    folder_id = folder_node.GetId();
-
-    WriteNode wnode(&trans);
-    WriteNode::InitUniqueByCreationResult result =
-        wnode.InitUniqueByCreation(BOOKMARKS, root_node, "testtag");
-    EXPECT_EQ(WriteNode::INIT_SUCCESS, result);
-    wnode.SetIsFolder(false);
-    wnode.SetTitle(test_title);
-
-    node_id = wnode.GetId();
-  }
-
-  // Ensure we can delete something with a tag.
-  {
-    WriteTransaction trans(FROM_HERE, user_share());
-    WriteNode wnode(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              wnode.InitByClientTagLookup(BOOKMARKS,
-                  "testtag"));
-    EXPECT_FALSE(wnode.GetIsFolder());
-    EXPECT_EQ(wnode.GetTitle(), test_title);
-
-    wnode.Tombstone();
-  }
-
-  // Lookup of a node which was deleted should return failure,
-  // but have found some data about the node.
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_FAILED_ENTRY_IS_DEL,
-              node.InitByClientTagLookup(BOOKMARKS,
-                  "testtag"));
-    // Note that for proper function of this API this doesn't need to be
-    // filled, we're checking just to make sure the DB worked in this test.
-    EXPECT_EQ(node.GetTitle(), test_title);
-  }
-
-  {
-    WriteTransaction trans(FROM_HERE, user_share());
-    ReadNode folder_node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, folder_node.InitByIdLookup(folder_id));
-
-    WriteNode wnode(&trans);
-    // This will undelete the tag.
-    WriteNode::InitUniqueByCreationResult result =
-        wnode.InitUniqueByCreation(BOOKMARKS, folder_node, "testtag");
-    EXPECT_EQ(WriteNode::INIT_SUCCESS, result);
-    EXPECT_EQ(wnode.GetIsFolder(), false);
-    EXPECT_EQ(wnode.GetParentId(), folder_node.GetId());
-    EXPECT_EQ(wnode.GetId(), node_id);
-    EXPECT_NE(wnode.GetTitle(), test_title);  // Title should be cleared
-    wnode.SetTitle(test_title);
-  }
-
-  // Now look up should work.
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS,
-                    "testtag"));
-    EXPECT_EQ(node.GetTitle(), test_title);
-    EXPECT_EQ(node.GetModelType(), BOOKMARKS);
-  }
-}
-
-TEST_F(SyncApiTest, WriteAndReadPassword) {
-  KeyParams params = {"localhost", "username", "passphrase"};
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    trans.GetCryptographer()->AddKey(params);
-  }
-  {
-    WriteTransaction trans(FROM_HERE, user_share());
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
-
-    WriteNode password_node(&trans);
-    WriteNode::InitUniqueByCreationResult result =
-        password_node.InitUniqueByCreation(PASSWORDS,
-                                           root_node, "foo");
-    EXPECT_EQ(WriteNode::INIT_SUCCESS, result);
-    sync_pb::PasswordSpecificsData data;
-    data.set_password_value("secret");
-    password_node.SetPasswordSpecifics(data);
-  }
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-
-    ReadNode password_node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              password_node.InitByClientTagLookup(PASSWORDS, "foo"));
-    const sync_pb::PasswordSpecificsData& data =
-        password_node.GetPasswordSpecifics();
-    EXPECT_EQ("secret", data.password_value());
-  }
-}
-
-TEST_F(SyncApiTest, WriteEncryptedTitle) {
-  KeyParams params = {"localhost", "username", "passphrase"};
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    trans.GetCryptographer()->AddKey(params);
-  }
-  encryption_handler()->EnableEncryptEverything();
-  int bookmark_id;
-  {
-    WriteTransaction trans(FROM_HERE, user_share());
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
-
-    WriteNode bookmark_node(&trans);
-    ASSERT_TRUE(bookmark_node.InitBookmarkByCreation(root_node, NULL));
-    bookmark_id = bookmark_node.GetId();
-    bookmark_node.SetTitle("foo");
-
-    WriteNode pref_node(&trans);
-    WriteNode::InitUniqueByCreationResult result =
-        pref_node.InitUniqueByCreation(PREFERENCES, root_node, "bar");
-    ASSERT_EQ(WriteNode::INIT_SUCCESS, result);
-    pref_node.SetTitle("bar");
-  }
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-
-    ReadNode bookmark_node(&trans);
-    ASSERT_EQ(BaseNode::INIT_OK, bookmark_node.InitByIdLookup(bookmark_id));
-    EXPECT_EQ("foo", bookmark_node.GetTitle());
-    EXPECT_EQ(kEncryptedString,
-              bookmark_node.GetEntry()->GetNonUniqueName());
-
-    ReadNode pref_node(&trans);
-    ASSERT_EQ(BaseNode::INIT_OK,
-              pref_node.InitByClientTagLookup(PREFERENCES,
-                                              "bar"));
-    EXPECT_EQ(kEncryptedString, pref_node.GetTitle());
-  }
-}
-
-// Non-unique name should not be empty. For bookmarks non-unique name is copied
-// from bookmark title. This test verifies that setting bookmark title to ""
-// results in single space title and non-unique name in internal representation.
-// GetTitle should still return empty string.
-TEST_F(SyncApiTest, WriteEmptyBookmarkTitle) {
-  int bookmark_id;
-  {
-    WriteTransaction trans(FROM_HERE, user_share());
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
-
-    WriteNode bookmark_node(&trans);
-    ASSERT_TRUE(bookmark_node.InitBookmarkByCreation(root_node, NULL));
-    bookmark_id = bookmark_node.GetId();
-    bookmark_node.SetTitle("");
-  }
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-
-    ReadNode bookmark_node(&trans);
-    ASSERT_EQ(BaseNode::INIT_OK, bookmark_node.InitByIdLookup(bookmark_id));
-    EXPECT_EQ("", bookmark_node.GetTitle());
-    EXPECT_EQ(" ", bookmark_node.GetEntitySpecifics().bookmark().title());
-    EXPECT_EQ(" ", bookmark_node.GetEntry()->GetNonUniqueName());
-  }
-}
-
-TEST_F(SyncApiTest, BaseNodeSetSpecifics) {
-  int64_t child_id = MakeNodeWithRoot(user_share(), BOOKMARKS, "testtag");
-  WriteTransaction trans(FROM_HERE, user_share());
-  WriteNode node(&trans);
-  EXPECT_EQ(BaseNode::INIT_OK, node.InitByIdLookup(child_id));
-
-  sync_pb::EntitySpecifics entity_specifics;
-  entity_specifics.mutable_bookmark()->set_url("http://www.google.com");
-
-  EXPECT_NE(entity_specifics.SerializeAsString(),
-            node.GetEntitySpecifics().SerializeAsString());
-  node.SetEntitySpecifics(entity_specifics);
-  EXPECT_EQ(entity_specifics.SerializeAsString(),
-            node.GetEntitySpecifics().SerializeAsString());
-}
-
-TEST_F(SyncApiTest, BaseNodeSetSpecificsPreservesUnknownFields) {
-  int64_t child_id = MakeNodeWithRoot(user_share(), BOOKMARKS, "testtag");
-  WriteTransaction trans(FROM_HERE, user_share());
-  WriteNode node(&trans);
-  EXPECT_EQ(BaseNode::INIT_OK, node.InitByIdLookup(child_id));
-  EXPECT_TRUE(node.GetEntitySpecifics().unknown_fields().empty());
-
-  sync_pb::EntitySpecifics entity_specifics;
-  entity_specifics.mutable_bookmark()->set_url("http://www.google.com");
-  std::string unknown_fields;
-  {
-    ::google::protobuf::io::StringOutputStream unknown_fields_stream(
-         &unknown_fields);
-    ::google::protobuf::io::CodedOutputStream output(&unknown_fields_stream);
-    const int tag = 5;
-    const int value = 100;
-    output.WriteTag(tag);
-    output.WriteLittleEndian32(value);
-  }
-  *entity_specifics.mutable_unknown_fields() = unknown_fields;
-  node.SetEntitySpecifics(entity_specifics);
-  EXPECT_FALSE(node.GetEntitySpecifics().unknown_fields().empty());
-  EXPECT_EQ(unknown_fields, node.GetEntitySpecifics().unknown_fields());
-
-  entity_specifics.mutable_unknown_fields()->clear();
-  node.SetEntitySpecifics(entity_specifics);
-  EXPECT_FALSE(node.GetEntitySpecifics().unknown_fields().empty());
-  EXPECT_EQ(unknown_fields, node.GetEntitySpecifics().unknown_fields());
-}
-
-TEST_F(SyncApiTest, EmptyTags) {
-  WriteTransaction trans(FROM_HERE, user_share());
-  ReadNode root_node(&trans);
-  root_node.InitByRootLookup();
-  WriteNode node(&trans);
-  std::string empty_tag;
-  WriteNode::InitUniqueByCreationResult result =
-      node.InitUniqueByCreation(TYPED_URLS, root_node, empty_tag);
-  EXPECT_NE(WriteNode::INIT_SUCCESS, result);
-  EXPECT_EQ(BaseNode::INIT_FAILED_PRECONDITION,
-            node.InitByClientTagLookup(TYPED_URLS, empty_tag));
-}
-
-// Test counting nodes when the type's root node has no children.
-TEST_F(SyncApiTest, GetTotalNodeCountEmpty) {
-  int64_t type_root = MakeTypeRoot(user_share(), BOOKMARKS);
-  EXPECT_EQ(1, GetTotalNodeCount(user_share(), type_root));
-}
-
-// Test counting nodes when there is one child beneath the type's root.
-TEST_F(SyncApiTest, GetTotalNodeCountOneChild) {
-  int64_t type_root = MakeTypeRoot(user_share(), BOOKMARKS);
-  int64_t parent =
-      MakeFolderWithParent(user_share(), BOOKMARKS, type_root, NULL);
-  EXPECT_EQ(2, GetTotalNodeCount(user_share(), type_root));
-  EXPECT_EQ(1, GetTotalNodeCount(user_share(), parent));
-}
-
-// Test counting nodes when there are multiple children beneath the type root,
-// and one of those children has children of its own.
-TEST_F(SyncApiTest, GetTotalNodeCountMultipleChildren) {
-  int64_t type_root = MakeTypeRoot(user_share(), BOOKMARKS);
-  int64_t parent =
-      MakeFolderWithParent(user_share(), BOOKMARKS, type_root, NULL);
-  ignore_result(MakeFolderWithParent(user_share(), BOOKMARKS, type_root, NULL));
-  int64_t child1 = MakeFolderWithParent(user_share(), BOOKMARKS, parent, NULL);
-  ignore_result(MakeBookmarkWithParent(user_share(), parent, NULL));
-  ignore_result(MakeBookmarkWithParent(user_share(), child1, NULL));
-  EXPECT_EQ(6, GetTotalNodeCount(user_share(), type_root));
-  EXPECT_EQ(4, GetTotalNodeCount(user_share(), parent));
-}
-
-// Verify that Directory keeps track of which attachments are referenced by
-// which entries.
-TEST_F(SyncApiTest, AttachmentLinking) {
-  // Add an entry with an attachment.
-  std::string tag1("some tag");
-  syncer::AttachmentId attachment_id(syncer::AttachmentId::Create(0, 0));
-  sync_pb::AttachmentMetadata attachment_metadata;
-  sync_pb::AttachmentMetadataRecord* record = attachment_metadata.add_record();
-  *record->mutable_id() = attachment_id.GetProto();
-  ASSERT_FALSE(dir()->IsAttachmentLinked(attachment_id.GetProto()));
-  CreateEntryWithAttachmentMetadata(PREFERENCES, tag1, attachment_metadata);
-
-  // See that the directory knows it's linked.
-  ASSERT_TRUE(dir()->IsAttachmentLinked(attachment_id.GetProto()));
-
-  // Add a second entry referencing the same attachment.
-  std::string tag2("some other tag");
-  CreateEntryWithAttachmentMetadata(PREFERENCES, tag2, attachment_metadata);
-
-  // See that the directory knows it's still linked.
-  ASSERT_TRUE(dir()->IsAttachmentLinked(attachment_id.GetProto()));
-
-  // Tombstone the first entry.
-  ReplaceWithTombstone(syncer::PREFERENCES, tag1);
-
-  // See that the attachment is still considered linked because the entry hasn't
-  // been purged from the Directory.
-  ASSERT_TRUE(dir()->IsAttachmentLinked(attachment_id.GetProto()));
-
-  // Save changes and see that the entry is truly gone.
-  ASSERT_TRUE(dir()->SaveChanges());
-  ASSERT_EQ(LookupEntryByClientTag(PREFERENCES, tag1),
-            syncer::WriteNode::INIT_FAILED_ENTRY_NOT_GOOD);
-
-  // However, the attachment is still linked.
-  ASSERT_TRUE(dir()->IsAttachmentLinked(attachment_id.GetProto()));
-
-  // Save, destroy, and recreate the directory.  See that it's still linked.
-  ASSERT_TRUE(ReloadDir());
-  ASSERT_TRUE(dir()->IsAttachmentLinked(attachment_id.GetProto()));
-
-  // Tombstone the second entry, save changes, see that it's truly gone.
-  ReplaceWithTombstone(syncer::PREFERENCES, tag2);
-  ASSERT_TRUE(dir()->SaveChanges());
-  ASSERT_EQ(LookupEntryByClientTag(PREFERENCES, tag2),
-            syncer::WriteNode::INIT_FAILED_ENTRY_NOT_GOOD);
-
-  // Finally, the attachment is no longer linked.
-  ASSERT_FALSE(dir()->IsAttachmentLinked(attachment_id.GetProto()));
-}
-
-// This tests directory integrity in the case of creating a new unique node
-// with client tag matching that of an existing unapplied node with server only
-// data. See crbug.com/505761.
-TEST_F(SyncApiTest, WriteNode_UniqueByCreation_UndeleteCase) {
-  int64_t preferences_root = MakeTypeRoot(user_share(), PREFERENCES);
-
-  // Create a node with server only data.
-  int64_t item1 = 0;
-  {
-    syncable::WriteTransaction trans(FROM_HERE, syncable::UNITTEST,
-                                     user_share()->directory.get());
-    syncable::MutableEntry entry(&trans, syncable::CREATE_NEW_UPDATE_ITEM,
-                                 syncable::Id::CreateFromServerId("foo1"));
-    DCHECK(entry.good());
-    entry.PutServerVersion(10);
-    entry.PutIsUnappliedUpdate(true);
-    sync_pb::EntitySpecifics specifics;
-    AddDefaultFieldValue(PREFERENCES, &specifics);
-    entry.PutServerSpecifics(specifics);
-    const std::string hash = syncable::GenerateSyncableHash(PREFERENCES, "foo");
-    entry.PutUniqueClientTag(hash);
-    item1 = entry.GetMetahandle();
-  }
-
-  // Verify that the server-only item is invisible as a child of
-  // of |preferences_root| because at this point it should have the
-  // "deleted" flag set.
-  EXPECT_EQ(1, GetTotalNodeCount(user_share(), preferences_root));
-
-  // Create a client node with the same tag as the node above.
-  int64_t item2 = MakeNode(user_share(), PREFERENCES, "foo");
-  // Expect this to be the same directory entry as |item1|.
-  EXPECT_EQ(item1, item2);
-  // Expect it to be visible as a child of |preferences_root|.
-  EXPECT_EQ(2, GetTotalNodeCount(user_share(), preferences_root));
-
-  // Tombstone the new item
-  {
-    WriteTransaction trans(FROM_HERE, user_share());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node.InitByIdLookup(item1));
-    node.Tombstone();
-  }
-
-  // Verify that it is gone from the index.
-  EXPECT_EQ(1, GetTotalNodeCount(user_share(), preferences_root));
-}
-
-// Tests that InitUniqueByCreation called for existing encrypted entry properly
-// decrypts specifics and pust them in BaseNode::unencrypted_data_.
-TEST_F(SyncApiTest, WriteNode_UniqueByCreation_EncryptedExistingEntry) {
-  KeyParams params = {"localhost", "username", "passphrase"};
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    trans.GetCryptographer()->AddKey(params);
-  }
-  encryption_handler()->EnableEncryptEverything();
-  WriteTransaction trans(FROM_HERE, user_share());
-  ReadNode root_node(&trans);
-  root_node.InitByRootLookup();
-
-  {
-    WriteNode pref_node(&trans);
-    WriteNode::InitUniqueByCreationResult result =
-        pref_node.InitUniqueByCreation(PREFERENCES, root_node, "bar");
-    ASSERT_EQ(WriteNode::INIT_SUCCESS, result);
-    pref_node.SetTitle("bar");
-    sync_pb::EntitySpecifics entity_specifics;
-    entity_specifics.mutable_preference();
-    pref_node.SetEntitySpecifics(entity_specifics);
-  }
-  {
-    WriteNode pref_node(&trans);
-    WriteNode::InitUniqueByCreationResult result =
-        pref_node.InitUniqueByCreation(PREFERENCES, root_node, "bar");
-    ASSERT_EQ(WriteNode::INIT_SUCCESS, result);
-    // Call GetEntitySpecifics, ensure it doesn't DCHECK.
-    pref_node.GetEntitySpecifics();
-  }
-}
-
-// Tests that undeleting deleted password doesn't trigger any issues.
-// See crbug/440430.
-TEST_F(SyncApiTest, WriteNode_PasswordUniqueByCreationAfterDelete) {
-  KeyParams params = {"localhost", "username", "passphrase"};
-  {
-    ReadTransaction trans(FROM_HERE, user_share());
-    trans.GetCryptographer()->AddKey(params);
-  }
-
-  WriteTransaction trans(FROM_HERE, user_share());
-  ReadNode root_node(&trans);
-  root_node.InitByRootLookup();
-  // Create new password.
-  {
-    WriteNode password_node(&trans);
-    WriteNode::InitUniqueByCreationResult result =
-        password_node.InitUniqueByCreation(PASSWORDS, root_node, "foo");
-    ASSERT_EQ(WriteNode::INIT_SUCCESS, result);
-    sync_pb::PasswordSpecificsData password_specifics;
-    password_specifics.set_password_value("secret");
-    password_node.SetPasswordSpecifics(password_specifics);
-  }
-  // Delete password.
-  {
-    WriteNode password_node(&trans);
-    BaseNode::InitByLookupResult result =
-        password_node.InitByClientTagLookup(PASSWORDS, "foo");
-    ASSERT_EQ(BaseNode::INIT_OK, result);
-    password_node.Tombstone();
-  }
-  // Create password again triggering undeletion.
-  {
-    WriteNode password_node(&trans);
-    WriteNode::InitUniqueByCreationResult result =
-        password_node.InitUniqueByCreation(PASSWORDS, root_node, "foo");
-    ASSERT_EQ(WriteNode::INIT_SUCCESS, result);
-  }
-}
-
-namespace {
-
-class TestHttpPostProviderInterface : public HttpPostProviderInterface {
- public:
-  ~TestHttpPostProviderInterface() override {}
-
-  void SetExtraRequestHeaders(const char* headers) override {}
-  void SetURL(const char* url, int port) override {}
-  void SetPostPayload(const char* content_type,
-                      int content_length,
-                      const char* content) override {}
-  bool MakeSynchronousPost(int* error_code, int* response_code) override {
-    return false;
-  }
-  int GetResponseContentLength() const override { return 0; }
-  const char* GetResponseContent() const override { return ""; }
-  const std::string GetResponseHeaderValue(
-      const std::string& name) const override {
-    return std::string();
-  }
-  void Abort() override {}
-};
-
-class TestHttpPostProviderFactory : public HttpPostProviderFactory {
- public:
-  ~TestHttpPostProviderFactory() override {}
-  void Init(const std::string& user_agent,
-            const BindToTrackerCallback& bind_to_tracker_callback) override {}
-  HttpPostProviderInterface* Create() override {
-    return new TestHttpPostProviderInterface();
-  }
-  void Destroy(HttpPostProviderInterface* http) override {
-    delete static_cast<TestHttpPostProviderInterface*>(http);
-  }
-};
-
-class SyncManagerObserverMock : public SyncManager::Observer {
- public:
-  MOCK_METHOD1(OnSyncCycleCompleted,
-               void(const SyncSessionSnapshot&));  // NOLINT
-  MOCK_METHOD4(OnInitializationComplete,
-               void(const WeakHandle<JsBackend>&,
-                    const WeakHandle<DataTypeDebugInfoListener>&,
-                    bool,
-                    syncer::ModelTypeSet));  // NOLINT
-  MOCK_METHOD1(OnConnectionStatusChange, void(ConnectionStatus));  // NOLINT
-  MOCK_METHOD1(OnUpdatedToken, void(const std::string&));  // NOLINT
-  MOCK_METHOD1(OnActionableError, void(const SyncProtocolError&));  // NOLINT
-  MOCK_METHOD1(OnMigrationRequested, void(syncer::ModelTypeSet));  // NOLINT
-  MOCK_METHOD1(OnProtocolEvent, void(const ProtocolEvent&));  // NOLINT
-};
-
-class SyncEncryptionHandlerObserverMock
-    : public SyncEncryptionHandler::Observer {
- public:
-  MOCK_METHOD2(OnPassphraseRequired,
-               void(PassphraseRequiredReason,
-                    const sync_pb::EncryptedData&));  // NOLINT
-  MOCK_METHOD0(OnPassphraseAccepted, void());  // NOLINT
-  MOCK_METHOD2(OnBootstrapTokenUpdated,
-               void(const std::string&, BootstrapTokenType type));  // NOLINT
-  MOCK_METHOD2(OnEncryptedTypesChanged,
-               void(ModelTypeSet, bool));  // NOLINT
-  MOCK_METHOD0(OnEncryptionComplete, void());  // NOLINT
-  MOCK_METHOD1(OnCryptographerStateChanged, void(Cryptographer*));  // NOLINT
-  MOCK_METHOD2(OnPassphraseTypeChanged, void(PassphraseType,
-                                             base::Time));  // NOLINT
-  MOCK_METHOD1(OnLocalSetPassphraseEncryption,
-               void(const SyncEncryptionHandler::NigoriState&));  // NOLINT
-};
-
-}  // namespace
-
-class SyncManagerTest : public testing::Test,
-                        public SyncManager::ChangeDelegate {
- protected:
-  enum NigoriStatus {
-    DONT_WRITE_NIGORI,
-    WRITE_TO_NIGORI
-  };
-
-  enum EncryptionStatus {
-    UNINITIALIZED,
-    DEFAULT_ENCRYPTION,
-    FULL_ENCRYPTION
-  };
-
-  SyncManagerTest()
-      : sync_manager_("Test sync manager") {
-    switches_.encryption_method =
-        InternalComponentsFactory::ENCRYPTION_KEYSTORE;
-  }
-
-  virtual ~SyncManagerTest() {
-  }
-
-  // Test implementation.
-  void SetUp() {
-    ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
-
-    extensions_activity_ = new ExtensionsActivity();
-
-    SyncCredentials credentials;
-    credentials.account_id = "foo@bar.com";
-    credentials.email = "foo@bar.com";
-    credentials.sync_token = "sometoken";
-    OAuth2TokenService::ScopeSet scope_set;
-    scope_set.insert(GaiaConstants::kChromeSyncOAuth2Scope);
-    credentials.scope_set = scope_set;
-
-    sync_manager_.AddObserver(&manager_observer_);
-    EXPECT_CALL(manager_observer_, OnInitializationComplete(_, _, _, _)).
-        WillOnce(DoAll(SaveArg<0>(&js_backend_),
-            SaveArg<2>(&initialization_succeeded_)));
-
-    EXPECT_FALSE(js_backend_.IsInitialized());
-
-    std::vector<scoped_refptr<ModelSafeWorker> > workers;
-    ModelSafeRoutingInfo routing_info;
-    GetModelSafeRoutingInfo(&routing_info);
-
-    // This works only because all routing info types are GROUP_PASSIVE.
-    // If we had types in other groups, we would need additional workers
-    // to support them.
-    scoped_refptr<ModelSafeWorker> worker = new FakeModelWorker(GROUP_PASSIVE);
-    workers.push_back(worker);
-
-    SyncManager::InitArgs args;
-    args.database_location = temp_dir_.path();
-    args.service_url = GURL("https://example.com/");
-    args.post_factory = std::unique_ptr<HttpPostProviderFactory>(
-        new TestHttpPostProviderFactory());
-    args.workers = workers;
-    args.extensions_activity = extensions_activity_.get(),
-    args.change_delegate = this;
-    args.credentials = credentials;
-    args.invalidator_client_id = "fake_invalidator_client_id";
-    args.internal_components_factory.reset(GetFactory());
-    args.encryptor = &encryptor_;
-    args.unrecoverable_error_handler =
-        MakeWeakHandle(mock_unrecoverable_error_handler_.GetWeakPtr());
-    args.cancelation_signal = &cancelation_signal_;
-    sync_manager_.Init(&args);
-
-    sync_manager_.GetEncryptionHandler()->AddObserver(&encryption_observer_);
-
-    EXPECT_TRUE(js_backend_.IsInitialized());
-    EXPECT_EQ(InternalComponentsFactory::STORAGE_ON_DISK,
-              storage_used_);
-
-    if (initialization_succeeded_) {
-      for (ModelSafeRoutingInfo::iterator i = routing_info.begin();
-           i != routing_info.end(); ++i) {
-        type_roots_[i->first] =
-            MakeTypeRoot(sync_manager_.GetUserShare(), i->first);
-      }
-    }
-
-    PumpLoop();
-  }
-
-  void TearDown() {
-    sync_manager_.RemoveObserver(&manager_observer_);
-    sync_manager_.ShutdownOnSyncThread(STOP_SYNC);
-    PumpLoop();
-  }
-
-  void GetModelSafeRoutingInfo(ModelSafeRoutingInfo* out) {
-    (*out)[NIGORI] = GROUP_PASSIVE;
-    (*out)[DEVICE_INFO] = GROUP_PASSIVE;
-    (*out)[EXPERIMENTS] = GROUP_PASSIVE;
-    (*out)[BOOKMARKS] = GROUP_PASSIVE;
-    (*out)[THEMES] = GROUP_PASSIVE;
-    (*out)[SESSIONS] = GROUP_PASSIVE;
-    (*out)[PASSWORDS] = GROUP_PASSIVE;
-    (*out)[PREFERENCES] = GROUP_PASSIVE;
-    (*out)[PRIORITY_PREFERENCES] = GROUP_PASSIVE;
-    (*out)[ARTICLES] = GROUP_PASSIVE;
-  }
-
-  ModelTypeSet GetEnabledTypes() {
-    ModelSafeRoutingInfo routing_info;
-    GetModelSafeRoutingInfo(&routing_info);
-    return GetRoutingInfoTypes(routing_info);
-  }
-
-  void OnChangesApplied(ModelType model_type,
-                        int64_t model_version,
-                        const BaseTransaction* trans,
-                        const ImmutableChangeRecordList& changes) override {}
-
-  void OnChangesComplete(ModelType model_type) override {}
-
-  // Helper methods.
-  bool SetUpEncryption(NigoriStatus nigori_status,
-                       EncryptionStatus encryption_status) {
-    UserShare* share = sync_manager_.GetUserShare();
-
-    // We need to create the nigori node as if it were an applied server update.
-    int64_t nigori_id = GetIdForDataType(NIGORI);
-    if (nigori_id == kInvalidId)
-      return false;
-
-    // Set the nigori cryptographer information.
-    if (encryption_status == FULL_ENCRYPTION)
-      sync_manager_.GetEncryptionHandler()->EnableEncryptEverything();
-
-    WriteTransaction trans(FROM_HERE, share);
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    if (!cryptographer)
-      return false;
-    if (encryption_status != UNINITIALIZED) {
-      KeyParams params = {"localhost", "dummy", "foobar"};
-      cryptographer->AddKey(params);
-    } else {
-      DCHECK_NE(nigori_status, WRITE_TO_NIGORI);
-    }
-    if (nigori_status == WRITE_TO_NIGORI) {
-      sync_pb::NigoriSpecifics nigori;
-      cryptographer->GetKeys(nigori.mutable_encryption_keybag());
-      share->directory->GetNigoriHandler()->UpdateNigoriFromEncryptedTypes(
-          &nigori,
-          trans.GetWrappedTrans());
-      WriteNode node(&trans);
-      EXPECT_EQ(BaseNode::INIT_OK, node.InitByIdLookup(nigori_id));
-      node.SetNigoriSpecifics(nigori);
-    }
-    return cryptographer->is_ready();
-  }
-
-  int64_t GetIdForDataType(ModelType type) {
-    if (type_roots_.count(type) == 0)
-      return 0;
-    return type_roots_[type];
-  }
-
-  void PumpLoop() {
-    base::RunLoop().RunUntilIdle();
-  }
-
-  void SetJsEventHandler(const WeakHandle<JsEventHandler>& event_handler) {
-    js_backend_.Call(FROM_HERE, &JsBackend::SetJsEventHandler,
-                     event_handler);
-    PumpLoop();
-  }
-
-  // Looks up an entry by client tag and resets IS_UNSYNCED value to false.
-  // Returns true if entry was previously unsynced, false if IS_UNSYNCED was
-  // already false.
-  bool ResetUnsyncedEntry(ModelType type,
-                          const std::string& client_tag) {
-    UserShare* share = sync_manager_.GetUserShare();
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::UNITTEST, share->directory.get());
-    const std::string hash = syncable::GenerateSyncableHash(type, client_tag);
-    syncable::MutableEntry entry(&trans, syncable::GET_BY_CLIENT_TAG,
-                                 hash);
-    EXPECT_TRUE(entry.good());
-    if (!entry.GetIsUnsynced())
-      return false;
-    entry.PutIsUnsynced(false);
-    return true;
-  }
-
-  virtual InternalComponentsFactory* GetFactory() {
-    return new TestInternalComponentsFactory(
-        GetSwitches(), InternalComponentsFactory::STORAGE_IN_MEMORY,
-        &storage_used_);
-  }
-
-  // Returns true if we are currently encrypting all sync data.  May
-  // be called on any thread.
-  bool IsEncryptEverythingEnabledForTest() {
-    return sync_manager_.GetEncryptionHandler()->IsEncryptEverythingEnabled();
-  }
-
-  // Gets the set of encrypted types from the cryptographer
-  // Note: opens a transaction.  May be called from any thread.
-  ModelTypeSet GetEncryptedTypes() {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    return GetEncryptedTypesWithTrans(&trans);
-  }
-
-  ModelTypeSet GetEncryptedTypesWithTrans(BaseTransaction* trans) {
-    return trans->GetDirectory()->GetNigoriHandler()->
-        GetEncryptedTypes(trans->GetWrappedTrans());
-  }
-
-  void SimulateInvalidatorEnabledForTest(bool is_enabled) {
-    DCHECK(sync_manager_.thread_checker_.CalledOnValidThread());
-    sync_manager_.SetInvalidatorEnabled(is_enabled);
-  }
-
-  void SetProgressMarkerForType(ModelType type, bool set) {
-    if (set) {
-      sync_pb::DataTypeProgressMarker marker;
-      marker.set_token("token");
-      marker.set_data_type_id(GetSpecificsFieldNumberFromModelType(type));
-      sync_manager_.directory()->SetDownloadProgress(type, marker);
-    } else {
-      sync_pb::DataTypeProgressMarker marker;
-      sync_manager_.directory()->SetDownloadProgress(type, marker);
-    }
-  }
-
-  InternalComponentsFactory::Switches GetSwitches() const {
-    return switches_;
-  }
-
-  void ExpectPassphraseAcceptance() {
-    EXPECT_CALL(encryption_observer_, OnPassphraseAccepted());
-    EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-    EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  }
-
-  void SetImplicitPassphraseAndCheck(const std::string& passphrase) {
-    sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
-        passphrase,
-        false);
-    EXPECT_EQ(IMPLICIT_PASSPHRASE,
-              sync_manager_.GetEncryptionHandler()->GetPassphraseType());
-  }
-
-  void SetCustomPassphraseAndCheck(const std::string& passphrase) {
-    EXPECT_CALL(encryption_observer_,
-        OnPassphraseTypeChanged(CUSTOM_PASSPHRASE, _));
-    sync_manager_.GetEncryptionHandler()->SetEncryptionPassphrase(
-        passphrase,
-        true);
-    EXPECT_EQ(CUSTOM_PASSPHRASE,
-              sync_manager_.GetEncryptionHandler()->GetPassphraseType());
-  }
-
-  bool HasUnrecoverableError() {
-    return mock_unrecoverable_error_handler_.invocation_count() > 0;
-  }
-
- private:
-  // Needed by |sync_manager_|.
-  base::MessageLoop message_loop_;
-  // Needed by |sync_manager_|.
-  base::ScopedTempDir temp_dir_;
-  // Sync Id's for the roots of the enabled datatypes.
-  std::map<ModelType, int64_t> type_roots_;
-  scoped_refptr<ExtensionsActivity> extensions_activity_;
-
- protected:
-  FakeEncryptor encryptor_;
-  SyncManagerImpl sync_manager_;
-  CancelationSignal cancelation_signal_;
-  WeakHandle<JsBackend> js_backend_;
-  bool initialization_succeeded_;
-  StrictMock<SyncManagerObserverMock> manager_observer_;
-  StrictMock<SyncEncryptionHandlerObserverMock> encryption_observer_;
-  InternalComponentsFactory::Switches switches_;
-  InternalComponentsFactory::StorageOption storage_used_;
-  MockUnrecoverableErrorHandler mock_unrecoverable_error_handler_;
-};
-
-TEST_F(SyncManagerTest, GetAllNodesForTypeTest) {
-  ModelSafeRoutingInfo routing_info;
-  GetModelSafeRoutingInfo(&routing_info);
-  sync_manager_.StartSyncingNormally(routing_info, base::Time());
-
-  std::unique_ptr<base::ListValue> node_list(
-      sync_manager_.GetAllNodesForType(syncer::PREFERENCES));
-
-  // Should have one node: the type root node.
-  ASSERT_EQ(1U, node_list->GetSize());
-
-  const base::DictionaryValue* first_result;
-  ASSERT_TRUE(node_list->GetDictionary(0, &first_result));
-  EXPECT_TRUE(first_result->HasKey("ID"));
-  EXPECT_TRUE(first_result->HasKey("NON_UNIQUE_NAME"));
-}
-
-TEST_F(SyncManagerTest, RefreshEncryptionReady) {
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  EXPECT_CALL(encryption_observer_, OnEncryptedTypesChanged(_, false));
-
-  sync_manager_.GetEncryptionHandler()->Init();
-  PumpLoop();
-
-  const ModelTypeSet encrypted_types = GetEncryptedTypes();
-  EXPECT_TRUE(encrypted_types.Has(PASSWORDS));
-  EXPECT_FALSE(IsEncryptEverythingEnabledForTest());
-
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByIdLookup(GetIdForDataType(NIGORI)));
-    sync_pb::NigoriSpecifics nigori = node.GetNigoriSpecifics();
-    EXPECT_TRUE(nigori.has_encryption_keybag());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_ready());
-    EXPECT_TRUE(cryptographer->CanDecrypt(nigori.encryption_keybag()));
-  }
-}
-
-// Attempt to refresh encryption when nigori not downloaded.
-TEST_F(SyncManagerTest, RefreshEncryptionNotReady) {
-  // Don't set up encryption (no nigori node created).
-
-  // Should fail. Triggers an OnPassphraseRequired because the cryptographer
-  // is not ready.
-  EXPECT_CALL(encryption_observer_, OnPassphraseRequired(_, _)).Times(1);
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  EXPECT_CALL(encryption_observer_, OnEncryptedTypesChanged(_, false));
-  sync_manager_.GetEncryptionHandler()->Init();
-  PumpLoop();
-
-  const ModelTypeSet encrypted_types = GetEncryptedTypes();
-  EXPECT_TRUE(encrypted_types.Has(PASSWORDS));  // Hardcoded.
-  EXPECT_FALSE(IsEncryptEverythingEnabledForTest());
-}
-
-// Attempt to refresh encryption when nigori is empty.
-TEST_F(SyncManagerTest, RefreshEncryptionEmptyNigori) {
-  EXPECT_TRUE(SetUpEncryption(DONT_WRITE_NIGORI, DEFAULT_ENCRYPTION));
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete()).Times(1);
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  EXPECT_CALL(encryption_observer_, OnEncryptedTypesChanged(_, false));
-
-  // Should write to nigori.
-  sync_manager_.GetEncryptionHandler()->Init();
-  PumpLoop();
-
-  const ModelTypeSet encrypted_types = GetEncryptedTypes();
-  EXPECT_TRUE(encrypted_types.Has(PASSWORDS));  // Hardcoded.
-  EXPECT_FALSE(IsEncryptEverythingEnabledForTest());
-
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByIdLookup(GetIdForDataType(NIGORI)));
-    sync_pb::NigoriSpecifics nigori = node.GetNigoriSpecifics();
-    EXPECT_TRUE(nigori.has_encryption_keybag());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_ready());
-    EXPECT_TRUE(cryptographer->CanDecrypt(nigori.encryption_keybag()));
-  }
-}
-
-TEST_F(SyncManagerTest, EncryptDataTypesWithNoData) {
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  EXPECT_CALL(encryption_observer_,
-              OnEncryptedTypesChanged(
-                  HasModelTypes(EncryptableUserTypes()), true));
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-  sync_manager_.GetEncryptionHandler()->EnableEncryptEverything();
-  EXPECT_TRUE(IsEncryptEverythingEnabledForTest());
-}
-
-TEST_F(SyncManagerTest, EncryptDataTypesWithData) {
-  size_t batch_size = 5;
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-
-  // Create some unencrypted unsynced data.
-  int64_t folder = MakeFolderWithParent(sync_manager_.GetUserShare(), BOOKMARKS,
-                                        GetIdForDataType(BOOKMARKS), NULL);
-  // First batch_size nodes are children of folder.
-  size_t i;
-  for (i = 0; i < batch_size; ++i) {
-    MakeBookmarkWithParent(sync_manager_.GetUserShare(), folder, NULL);
-  }
-  // Next batch_size nodes are a different type and on their own.
-  for (; i < 2*batch_size; ++i) {
-    MakeNodeWithRoot(sync_manager_.GetUserShare(), SESSIONS,
-                     base::StringPrintf("%" PRIuS "", i));
-  }
-  // Last batch_size nodes are a third type that will not need encryption.
-  for (; i < 3*batch_size; ++i) {
-    MakeNodeWithRoot(sync_manager_.GetUserShare(), THEMES,
-                     base::StringPrintf("%" PRIuS "", i));
-  }
-
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    EXPECT_EQ(SyncEncryptionHandler::SensitiveTypes(),
-              GetEncryptedTypesWithTrans(&trans));
-    EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
-        trans.GetWrappedTrans(),
-        BOOKMARKS,
-        false /* not encrypted */));
-    EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
-        trans.GetWrappedTrans(),
-        SESSIONS,
-        false /* not encrypted */));
-    EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
-        trans.GetWrappedTrans(),
-        THEMES,
-        false /* not encrypted */));
-  }
-
-  EXPECT_CALL(encryption_observer_,
-              OnEncryptedTypesChanged(
-                  HasModelTypes(EncryptableUserTypes()), true));
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-  sync_manager_.GetEncryptionHandler()->EnableEncryptEverything();
-  EXPECT_TRUE(IsEncryptEverythingEnabledForTest());
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    EXPECT_EQ(EncryptableUserTypes(), GetEncryptedTypesWithTrans(&trans));
-    EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
-        trans.GetWrappedTrans(),
-        BOOKMARKS,
-        true /* is encrypted */));
-    EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
-        trans.GetWrappedTrans(),
-        SESSIONS,
-        true /* is encrypted */));
-    EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
-        trans.GetWrappedTrans(),
-        THEMES,
-        true /* is encrypted */));
-  }
-
-  // Trigger's a ReEncryptEverything with new passphrase.
-  testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN));
-  ExpectPassphraseAcceptance();
-  SetCustomPassphraseAndCheck("new_passphrase");
-  EXPECT_TRUE(IsEncryptEverythingEnabledForTest());
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    EXPECT_EQ(EncryptableUserTypes(), GetEncryptedTypesWithTrans(&trans));
-    EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
-        trans.GetWrappedTrans(),
-        BOOKMARKS,
-        true /* is encrypted */));
-    EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
-        trans.GetWrappedTrans(),
-        SESSIONS,
-        true /* is encrypted */));
-    EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
-        trans.GetWrappedTrans(),
-        THEMES,
-        true /* is encrypted */));
-  }
-  // Calling EncryptDataTypes with an empty encrypted types should not trigger
-  // a reencryption and should just notify immediately.
-  testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN)).Times(0);
-  EXPECT_CALL(encryption_observer_, OnPassphraseAccepted()).Times(0);
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete()).Times(0);
-  sync_manager_.GetEncryptionHandler()->EnableEncryptEverything();
-}
-
-// Test that when there are no pending keys and the cryptographer is not
-// initialized, we add a key based on the current GAIA password.
-// (case 1 in SyncManager::SyncInternal::SetEncryptionPassphrase)
-TEST_F(SyncManagerTest, SetInitialGaiaPass) {
-  EXPECT_FALSE(SetUpEncryption(DONT_WRITE_NIGORI, UNINITIALIZED));
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN));
-  ExpectPassphraseAcceptance();
-  SetImplicitPassphraseAndCheck("new_passphrase");
-  EXPECT_FALSE(IsEncryptEverythingEnabledForTest());
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node.InitTypeRoot(NIGORI));
-    sync_pb::NigoriSpecifics nigori = node.GetNigoriSpecifics();
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_ready());
-    EXPECT_TRUE(cryptographer->CanDecrypt(nigori.encryption_keybag()));
-  }
-}
-
-// Test that when there are no pending keys and we have on the old GAIA
-// password, we update and re-encrypt everything with the new GAIA password.
-// (case 1 in SyncManager::SyncInternal::SetEncryptionPassphrase)
-TEST_F(SyncManagerTest, UpdateGaiaPass) {
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  Cryptographer verifier(&encryptor_);
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    std::string bootstrap_token;
-    cryptographer->GetBootstrapToken(&bootstrap_token);
-    verifier.Bootstrap(bootstrap_token);
-  }
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN));
-  ExpectPassphraseAcceptance();
-  SetImplicitPassphraseAndCheck("new_passphrase");
-  EXPECT_FALSE(IsEncryptEverythingEnabledForTest());
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_ready());
-    // Verify the default key has changed.
-    sync_pb::EncryptedData encrypted;
-    cryptographer->GetKeys(&encrypted);
-    EXPECT_FALSE(verifier.CanDecrypt(encrypted));
-  }
-}
-
-// Sets a new explicit passphrase. This should update the bootstrap token
-// and re-encrypt everything.
-// (case 2 in SyncManager::SyncInternal::SetEncryptionPassphrase)
-TEST_F(SyncManagerTest, SetPassphraseWithPassword) {
-  Cryptographer verifier(&encryptor_);
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    // Store the default (soon to be old) key.
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    std::string bootstrap_token;
-    cryptographer->GetBootstrapToken(&bootstrap_token);
-    verifier.Bootstrap(bootstrap_token);
-
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
-
-    WriteNode password_node(&trans);
-    WriteNode::InitUniqueByCreationResult result =
-        password_node.InitUniqueByCreation(PASSWORDS,
-                                           root_node, "foo");
-    EXPECT_EQ(WriteNode::INIT_SUCCESS, result);
-    sync_pb::PasswordSpecificsData data;
-    data.set_password_value("secret");
-    password_node.SetPasswordSpecifics(data);
-  }
-    EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN));
-  ExpectPassphraseAcceptance();
-  SetCustomPassphraseAndCheck("new_passphrase");
-  EXPECT_FALSE(IsEncryptEverythingEnabledForTest());
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_ready());
-    // Verify the default key has changed.
-    sync_pb::EncryptedData encrypted;
-    cryptographer->GetKeys(&encrypted);
-    EXPECT_FALSE(verifier.CanDecrypt(encrypted));
-
-    ReadNode password_node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              password_node.InitByClientTagLookup(PASSWORDS,
-                                                  "foo"));
-    const sync_pb::PasswordSpecificsData& data =
-        password_node.GetPasswordSpecifics();
-    EXPECT_EQ("secret", data.password_value());
-  }
-}
-
-// Manually set the pending keys in the cryptographer/nigori to reflect the data
-// being encrypted with a new (unprovided) GAIA password, then supply the
-// password.
-// (case 7 in SyncManager::SyncInternal::SetDecryptionPassphrase)
-TEST_F(SyncManagerTest, SupplyPendingGAIAPass) {
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  Cryptographer other_cryptographer(&encryptor_);
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    std::string bootstrap_token;
-    cryptographer->GetBootstrapToken(&bootstrap_token);
-    other_cryptographer.Bootstrap(bootstrap_token);
-
-    // Now update the nigori to reflect the new keys, and update the
-    // cryptographer to have pending keys.
-    KeyParams params = {"localhost", "dummy", "passphrase2"};
-    other_cryptographer.AddKey(params);
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node.InitTypeRoot(NIGORI));
-    sync_pb::NigoriSpecifics nigori;
-    other_cryptographer.GetKeys(nigori.mutable_encryption_keybag());
-    cryptographer->SetPendingKeys(nigori.encryption_keybag());
-    EXPECT_TRUE(cryptographer->has_pending_keys());
-    node.SetNigoriSpecifics(nigori);
-  }
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN));
-  ExpectPassphraseAcceptance();
-  sync_manager_.GetEncryptionHandler()->SetDecryptionPassphrase("passphrase2");
-  EXPECT_EQ(IMPLICIT_PASSPHRASE,
-            sync_manager_.GetEncryptionHandler()->GetPassphraseType());
-  EXPECT_FALSE(IsEncryptEverythingEnabledForTest());
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_ready());
-    // Verify we're encrypting with the new key.
-    sync_pb::EncryptedData encrypted;
-    cryptographer->GetKeys(&encrypted);
-    EXPECT_TRUE(other_cryptographer.CanDecrypt(encrypted));
-  }
-}
-
-// Manually set the pending keys in the cryptographer/nigori to reflect the data
-// being encrypted with an old (unprovided) GAIA password. Attempt to supply
-// the current GAIA password and verify the bootstrap token is updated. Then
-// supply the old GAIA password, and verify we re-encrypt all data with the
-// new GAIA password.
-// (cases 4 and 5 in SyncManager::SyncInternal::SetEncryptionPassphrase)
-TEST_F(SyncManagerTest, SupplyPendingOldGAIAPass) {
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  Cryptographer other_cryptographer(&encryptor_);
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    std::string bootstrap_token;
-    cryptographer->GetBootstrapToken(&bootstrap_token);
-    other_cryptographer.Bootstrap(bootstrap_token);
-
-    // Now update the nigori to reflect the new keys, and update the
-    // cryptographer to have pending keys.
-    KeyParams params = {"localhost", "dummy", "old_gaia"};
-    other_cryptographer.AddKey(params);
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node.InitTypeRoot(NIGORI));
-    sync_pb::NigoriSpecifics nigori;
-    other_cryptographer.GetKeys(nigori.mutable_encryption_keybag());
-    node.SetNigoriSpecifics(nigori);
-    cryptographer->SetPendingKeys(nigori.encryption_keybag());
-
-    // other_cryptographer now contains all encryption keys, and is encrypting
-    // with the newest gaia.
-    KeyParams new_params = {"localhost", "dummy", "new_gaia"};
-    other_cryptographer.AddKey(new_params);
-  }
-  // The bootstrap token should have been updated. Save it to ensure it's based
-  // on the new GAIA password.
-  std::string bootstrap_token;
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN))
-      .WillOnce(SaveArg<0>(&bootstrap_token));
-  EXPECT_CALL(encryption_observer_, OnPassphraseRequired(_, _));
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  SetImplicitPassphraseAndCheck("new_gaia");
-  EXPECT_FALSE(IsEncryptEverythingEnabledForTest());
-  testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_initialized());
-    EXPECT_FALSE(cryptographer->is_ready());
-    // Verify we're encrypting with the new key, even though we have pending
-    // keys.
-    sync_pb::EncryptedData encrypted;
-    other_cryptographer.GetKeys(&encrypted);
-    EXPECT_TRUE(cryptographer->CanDecrypt(encrypted));
-  }
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN));
-  ExpectPassphraseAcceptance();
-  SetImplicitPassphraseAndCheck("old_gaia");
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_ready());
-
-    // Verify we're encrypting with the new key.
-    sync_pb::EncryptedData encrypted;
-    other_cryptographer.GetKeys(&encrypted);
-    EXPECT_TRUE(cryptographer->CanDecrypt(encrypted));
-
-    // Verify the saved bootstrap token is based on the new gaia password.
-    Cryptographer temp_cryptographer(&encryptor_);
-    temp_cryptographer.Bootstrap(bootstrap_token);
-    EXPECT_TRUE(temp_cryptographer.CanDecrypt(encrypted));
-  }
-}
-
-// Manually set the pending keys in the cryptographer/nigori to reflect the data
-// being encrypted with an explicit (unprovided) passphrase, then supply the
-// passphrase.
-// (case 9 in SyncManager::SyncInternal::SetDecryptionPassphrase)
-TEST_F(SyncManagerTest, SupplyPendingExplicitPass) {
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  Cryptographer other_cryptographer(&encryptor_);
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    std::string bootstrap_token;
-    cryptographer->GetBootstrapToken(&bootstrap_token);
-    other_cryptographer.Bootstrap(bootstrap_token);
-
-    // Now update the nigori to reflect the new keys, and update the
-    // cryptographer to have pending keys.
-    KeyParams params = {"localhost", "dummy", "explicit"};
-    other_cryptographer.AddKey(params);
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node.InitTypeRoot(NIGORI));
-    sync_pb::NigoriSpecifics nigori;
-    other_cryptographer.GetKeys(nigori.mutable_encryption_keybag());
-    cryptographer->SetPendingKeys(nigori.encryption_keybag());
-    EXPECT_TRUE(cryptographer->has_pending_keys());
-    nigori.set_keybag_is_frozen(true);
-    node.SetNigoriSpecifics(nigori);
-  }
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  EXPECT_CALL(encryption_observer_,
-              OnPassphraseTypeChanged(CUSTOM_PASSPHRASE, _));
-  EXPECT_CALL(encryption_observer_, OnPassphraseRequired(_, _));
-  EXPECT_CALL(encryption_observer_, OnEncryptedTypesChanged(_, false));
-  sync_manager_.GetEncryptionHandler()->Init();
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN));
-  ExpectPassphraseAcceptance();
-  sync_manager_.GetEncryptionHandler()->SetDecryptionPassphrase("explicit");
-  EXPECT_EQ(CUSTOM_PASSPHRASE,
-            sync_manager_.GetEncryptionHandler()->GetPassphraseType());
-  EXPECT_FALSE(IsEncryptEverythingEnabledForTest());
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_ready());
-    // Verify we're encrypting with the new key.
-    sync_pb::EncryptedData encrypted;
-    cryptographer->GetKeys(&encrypted);
-    EXPECT_TRUE(other_cryptographer.CanDecrypt(encrypted));
-  }
-}
-
-// Manually set the pending keys in the cryptographer/nigori to reflect the data
-// being encrypted with a new (unprovided) GAIA password, then supply the
-// password as a user-provided password.
-// This is the android case 7/8.
-TEST_F(SyncManagerTest, SupplyPendingGAIAPassUserProvided) {
-  EXPECT_FALSE(SetUpEncryption(DONT_WRITE_NIGORI, UNINITIALIZED));
-  Cryptographer other_cryptographer(&encryptor_);
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    // Now update the nigori to reflect the new keys, and update the
-    // cryptographer to have pending keys.
-    KeyParams params = {"localhost", "dummy", "passphrase"};
-    other_cryptographer.AddKey(params);
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node.InitTypeRoot(NIGORI));
-    sync_pb::NigoriSpecifics nigori;
-    other_cryptographer.GetKeys(nigori.mutable_encryption_keybag());
-    node.SetNigoriSpecifics(nigori);
-    cryptographer->SetPendingKeys(nigori.encryption_keybag());
-    EXPECT_FALSE(cryptographer->is_ready());
-  }
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN));
-  ExpectPassphraseAcceptance();
-  SetImplicitPassphraseAndCheck("passphrase");
-  EXPECT_FALSE(IsEncryptEverythingEnabledForTest());
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_ready());
-  }
-}
-
-TEST_F(SyncManagerTest, SetPassphraseWithEmptyPasswordNode) {
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  int64_t node_id = 0;
-  std::string tag = "foo";
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode root_node(&trans);
-    root_node.InitByRootLookup();
-
-    WriteNode password_node(&trans);
-    WriteNode::InitUniqueByCreationResult result =
-        password_node.InitUniqueByCreation(PASSWORDS, root_node, tag);
-    EXPECT_EQ(WriteNode::INIT_SUCCESS, result);
-    node_id = password_node.GetId();
-  }
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN));
-  ExpectPassphraseAcceptance();
-  SetCustomPassphraseAndCheck("new_passphrase");
-  EXPECT_FALSE(IsEncryptEverythingEnabledForTest());
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode password_node(&trans);
-    EXPECT_EQ(BaseNode::INIT_FAILED_DECRYPT_IF_NECESSARY,
-              password_node.InitByClientTagLookup(PASSWORDS,
-                                                  tag));
-  }
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode password_node(&trans);
-    EXPECT_EQ(BaseNode::INIT_FAILED_DECRYPT_IF_NECESSARY,
-              password_node.InitByIdLookup(node_id));
-  }
-}
-
-// Friended by WriteNode, so can't be in an anonymouse namespace.
-TEST_F(SyncManagerTest, EncryptBookmarksWithLegacyData) {
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  std::string title;
-  SyncAPINameToServerName("Google", &title);
-  std::string url = "http://www.google.com";
-  std::string raw_title2 = "..";  // An invalid cosmo title.
-  std::string title2;
-  SyncAPINameToServerName(raw_title2, &title2);
-  std::string url2 = "http://www.bla.com";
-
-  // Create a bookmark using the legacy format.
-  int64_t node_id1 =
-      MakeNodeWithRoot(sync_manager_.GetUserShare(), BOOKMARKS, "testtag");
-  int64_t node_id2 =
-      MakeNodeWithRoot(sync_manager_.GetUserShare(), BOOKMARKS, "testtag2");
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node.InitByIdLookup(node_id1));
-
-    sync_pb::EntitySpecifics entity_specifics;
-    entity_specifics.mutable_bookmark()->set_url(url);
-    node.SetEntitySpecifics(entity_specifics);
-
-    // Set the old style title.
-    syncable::MutableEntry* node_entry = node.entry_;
-    node_entry->PutNonUniqueName(title);
-
-    WriteNode node2(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node2.InitByIdLookup(node_id2));
-
-    sync_pb::EntitySpecifics entity_specifics2;
-    entity_specifics2.mutable_bookmark()->set_url(url2);
-    node2.SetEntitySpecifics(entity_specifics2);
-
-    // Set the old style title.
-    syncable::MutableEntry* node_entry2 = node2.entry_;
-    node_entry2->PutNonUniqueName(title2);
-  }
-
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node.InitByIdLookup(node_id1));
-    EXPECT_EQ(BOOKMARKS, node.GetModelType());
-    EXPECT_EQ(title, node.GetTitle());
-    EXPECT_EQ(title, node.GetBookmarkSpecifics().title());
-    EXPECT_EQ(url, node.GetBookmarkSpecifics().url());
-
-    ReadNode node2(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node2.InitByIdLookup(node_id2));
-    EXPECT_EQ(BOOKMARKS, node2.GetModelType());
-    // We should de-canonicalize the title in GetTitle(), but the title in the
-    // specifics should be stored in the server legal form.
-    EXPECT_EQ(raw_title2, node2.GetTitle());
-    EXPECT_EQ(title2, node2.GetBookmarkSpecifics().title());
-    EXPECT_EQ(url2, node2.GetBookmarkSpecifics().url());
-  }
-
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
-        trans.GetWrappedTrans(),
-        BOOKMARKS,
-        false /* not encrypted */));
-  }
-
-  EXPECT_CALL(encryption_observer_,
-              OnEncryptedTypesChanged(
-                  HasModelTypes(EncryptableUserTypes()), true));
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-  sync_manager_.GetEncryptionHandler()->EnableEncryptEverything();
-  EXPECT_TRUE(IsEncryptEverythingEnabledForTest());
-
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    EXPECT_EQ(EncryptableUserTypes(), GetEncryptedTypesWithTrans(&trans));
-    EXPECT_TRUE(syncable::VerifyDataTypeEncryptionForTest(
-        trans.GetWrappedTrans(),
-        BOOKMARKS,
-        true /* is encrypted */));
-
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node.InitByIdLookup(node_id1));
-    EXPECT_EQ(BOOKMARKS, node.GetModelType());
-    EXPECT_EQ(title, node.GetTitle());
-    EXPECT_EQ(title, node.GetBookmarkSpecifics().title());
-    EXPECT_EQ(url, node.GetBookmarkSpecifics().url());
-
-    ReadNode node2(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK, node2.InitByIdLookup(node_id2));
-    EXPECT_EQ(BOOKMARKS, node2.GetModelType());
-    // We should de-canonicalize the title in GetTitle(), but the title in the
-    // specifics should be stored in the server legal form.
-    EXPECT_EQ(raw_title2, node2.GetTitle());
-    EXPECT_EQ(title2, node2.GetBookmarkSpecifics().title());
-    EXPECT_EQ(url2, node2.GetBookmarkSpecifics().url());
-  }
-}
-
-// Create a bookmark and set the title/url, then verify the data was properly
-// set. This replicates the unique way bookmarks have of creating sync nodes.
-// See BookmarkChangeProcessor::PlaceSyncNode(..).
-TEST_F(SyncManagerTest, CreateLocalBookmark) {
-  std::string title = "title";
-  std::string url = "url";
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode bookmark_root(&trans);
-    ASSERT_EQ(BaseNode::INIT_OK, bookmark_root.InitTypeRoot(BOOKMARKS));
-    WriteNode node(&trans);
-    ASSERT_TRUE(node.InitBookmarkByCreation(bookmark_root, NULL));
-    node.SetIsFolder(false);
-    node.SetTitle(title);
-
-    sync_pb::BookmarkSpecifics bookmark_specifics(node.GetBookmarkSpecifics());
-    bookmark_specifics.set_url(url);
-    node.SetBookmarkSpecifics(bookmark_specifics);
-  }
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode bookmark_root(&trans);
-    ASSERT_EQ(BaseNode::INIT_OK, bookmark_root.InitTypeRoot(BOOKMARKS));
-    int64_t child_id = bookmark_root.GetFirstChildId();
-
-    ReadNode node(&trans);
-    ASSERT_EQ(BaseNode::INIT_OK, node.InitByIdLookup(child_id));
-    EXPECT_FALSE(node.GetIsFolder());
-    EXPECT_EQ(title, node.GetTitle());
-    EXPECT_EQ(url, node.GetBookmarkSpecifics().url());
-  }
-}
-
-// Verifies WriteNode::UpdateEntryWithEncryption does not make unnecessary
-// changes.
-TEST_F(SyncManagerTest, UpdateEntryWithEncryption) {
-  std::string client_tag = "title";
-  sync_pb::EntitySpecifics entity_specifics;
-  entity_specifics.mutable_bookmark()->set_url("url");
-  entity_specifics.mutable_bookmark()->set_title("title");
-  MakeServerNode(sync_manager_.GetUserShare(), BOOKMARKS, client_tag,
-                 syncable::GenerateSyncableHash(BOOKMARKS,
-                                                client_tag),
-                 entity_specifics);
-  // New node shouldn't start off unsynced.
-  EXPECT_FALSE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-  // Manually change to the same data. Should not set is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    node.SetEntitySpecifics(entity_specifics);
-  }
-  EXPECT_FALSE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-
-  // Encrypt the datatatype, should set is_unsynced.
-  EXPECT_CALL(encryption_observer_,
-              OnEncryptedTypesChanged(
-                  HasModelTypes(EncryptableUserTypes()), true));
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, FULL_ENCRYPTION));
-
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  EXPECT_CALL(encryption_observer_, OnEncryptedTypesChanged(_, true));
-  sync_manager_.GetEncryptionHandler()->Init();
-  PumpLoop();
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    const syncable::Entry* node_entry = node.GetEntry();
-    const sync_pb::EntitySpecifics& specifics = node_entry->GetSpecifics();
-    EXPECT_TRUE(specifics.has_encrypted());
-    EXPECT_EQ(kEncryptedString, node_entry->GetNonUniqueName());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_ready());
-    EXPECT_TRUE(cryptographer->CanDecryptUsingDefaultKey(
-        specifics.encrypted()));
-  }
-  EXPECT_TRUE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-
-  // Set a new passphrase. Should set is_unsynced.
-  testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN));
-  ExpectPassphraseAcceptance();
-  SetCustomPassphraseAndCheck("new_passphrase");
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    const syncable::Entry* node_entry = node.GetEntry();
-    const sync_pb::EntitySpecifics& specifics = node_entry->GetSpecifics();
-    EXPECT_TRUE(specifics.has_encrypted());
-    EXPECT_EQ(kEncryptedString, node_entry->GetNonUniqueName());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->is_ready());
-    EXPECT_TRUE(cryptographer->CanDecryptUsingDefaultKey(
-        specifics.encrypted()));
-  }
-  EXPECT_TRUE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-
-  // Force a re-encrypt everything. Should not set is_unsynced.
-  testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  EXPECT_CALL(encryption_observer_, OnEncryptedTypesChanged(_, true));
-
-  sync_manager_.GetEncryptionHandler()->Init();
-  PumpLoop();
-
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    const syncable::Entry* node_entry = node.GetEntry();
-    const sync_pb::EntitySpecifics& specifics = node_entry->GetSpecifics();
-    EXPECT_TRUE(specifics.has_encrypted());
-    EXPECT_EQ(kEncryptedString, node_entry->GetNonUniqueName());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->CanDecryptUsingDefaultKey(
-        specifics.encrypted()));
-  }
-  EXPECT_FALSE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-
-  // Manually change to the same data. Should not set is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    node.SetEntitySpecifics(entity_specifics);
-    const syncable::Entry* node_entry = node.GetEntry();
-    const sync_pb::EntitySpecifics& specifics = node_entry->GetSpecifics();
-    EXPECT_TRUE(specifics.has_encrypted());
-    EXPECT_FALSE(node_entry->GetIsUnsynced());
-    EXPECT_EQ(kEncryptedString, node_entry->GetNonUniqueName());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->CanDecryptUsingDefaultKey(
-        specifics.encrypted()));
-  }
-  EXPECT_FALSE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-
-  // Manually change to different data. Should set is_unsynced.
-  {
-    entity_specifics.mutable_bookmark()->set_url("url2");
-    entity_specifics.mutable_bookmark()->set_title("title2");
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    node.SetEntitySpecifics(entity_specifics);
-    const syncable::Entry* node_entry = node.GetEntry();
-    const sync_pb::EntitySpecifics& specifics = node_entry->GetSpecifics();
-    EXPECT_TRUE(specifics.has_encrypted());
-    EXPECT_TRUE(node_entry->GetIsUnsynced());
-    EXPECT_EQ(kEncryptedString, node_entry->GetNonUniqueName());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    EXPECT_TRUE(cryptographer->CanDecryptUsingDefaultKey(
-                    specifics.encrypted()));
-  }
-}
-
-// Passwords have their own handling for encryption. Verify it does not result
-// in unnecessary writes via SetEntitySpecifics.
-TEST_F(SyncManagerTest, UpdatePasswordSetEntitySpecificsNoChange) {
-  std::string client_tag = "title";
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  sync_pb::EntitySpecifics entity_specifics;
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    sync_pb::PasswordSpecificsData data;
-    data.set_password_value("secret");
-    cryptographer->Encrypt(
-        data,
-        entity_specifics.mutable_password()->
-            mutable_encrypted());
-  }
-  MakeServerNode(sync_manager_.GetUserShare(), PASSWORDS, client_tag,
-                 syncable::GenerateSyncableHash(PASSWORDS,
-                                                client_tag),
-                 entity_specifics);
-  // New node shouldn't start off unsynced.
-  EXPECT_FALSE(ResetUnsyncedEntry(PASSWORDS, client_tag));
-
-  // Manually change to the same data via SetEntitySpecifics. Should not set
-  // is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(PASSWORDS, client_tag));
-    node.SetEntitySpecifics(entity_specifics);
-  }
-  EXPECT_FALSE(ResetUnsyncedEntry(PASSWORDS, client_tag));
-}
-
-// Passwords have their own handling for encryption. Verify it does not result
-// in unnecessary writes via SetPasswordSpecifics.
-TEST_F(SyncManagerTest, UpdatePasswordSetPasswordSpecifics) {
-  std::string client_tag = "title";
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  sync_pb::EntitySpecifics entity_specifics;
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    sync_pb::PasswordSpecificsData data;
-    data.set_password_value("secret");
-    cryptographer->Encrypt(
-        data,
-        entity_specifics.mutable_password()->
-            mutable_encrypted());
-  }
-  MakeServerNode(sync_manager_.GetUserShare(), PASSWORDS, client_tag,
-                 syncable::GenerateSyncableHash(PASSWORDS,
-                                                client_tag),
-                 entity_specifics);
-  // New node shouldn't start off unsynced.
-  EXPECT_FALSE(ResetUnsyncedEntry(PASSWORDS, client_tag));
-
-  // Manually change to the same data via SetPasswordSpecifics. Should not set
-  // is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(PASSWORDS, client_tag));
-    node.SetPasswordSpecifics(node.GetPasswordSpecifics());
-  }
-  EXPECT_FALSE(ResetUnsyncedEntry(PASSWORDS, client_tag));
-
-  // Manually change to different data. Should set is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(PASSWORDS, client_tag));
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    sync_pb::PasswordSpecificsData data;
-    data.set_password_value("secret2");
-    cryptographer->Encrypt(
-        data,
-        entity_specifics.mutable_password()->mutable_encrypted());
-    node.SetPasswordSpecifics(data);
-    const syncable::Entry* node_entry = node.GetEntry();
-    EXPECT_TRUE(node_entry->GetIsUnsynced());
-  }
-}
-
-// Passwords have their own handling for encryption. Verify setting a new
-// passphrase updates the data.
-TEST_F(SyncManagerTest, UpdatePasswordNewPassphrase) {
-  std::string client_tag = "title";
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  sync_pb::EntitySpecifics entity_specifics;
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    sync_pb::PasswordSpecificsData data;
-    data.set_password_value("secret");
-    cryptographer->Encrypt(
-        data,
-        entity_specifics.mutable_password()->mutable_encrypted());
-  }
-  MakeServerNode(sync_manager_.GetUserShare(), PASSWORDS, client_tag,
-                 syncable::GenerateSyncableHash(PASSWORDS,
-                                                client_tag),
-                 entity_specifics);
-  // New node shouldn't start off unsynced.
-  EXPECT_FALSE(ResetUnsyncedEntry(PASSWORDS, client_tag));
-
-  // Set a new passphrase. Should set is_unsynced.
-  testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
-  EXPECT_CALL(encryption_observer_,
-              OnBootstrapTokenUpdated(_, PASSPHRASE_BOOTSTRAP_TOKEN));
-  ExpectPassphraseAcceptance();
-  SetCustomPassphraseAndCheck("new_passphrase");
-  EXPECT_TRUE(ResetUnsyncedEntry(PASSWORDS, client_tag));
-}
-
-// Passwords have their own handling for encryption. Verify it does not result
-// in unnecessary writes via ReencryptEverything.
-TEST_F(SyncManagerTest, UpdatePasswordReencryptEverything) {
-  std::string client_tag = "title";
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  sync_pb::EntitySpecifics entity_specifics;
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* cryptographer = trans.GetCryptographer();
-    sync_pb::PasswordSpecificsData data;
-    data.set_password_value("secret");
-    cryptographer->Encrypt(
-        data,
-        entity_specifics.mutable_password()->mutable_encrypted());
-  }
-  MakeServerNode(sync_manager_.GetUserShare(), PASSWORDS, client_tag,
-                 syncable::GenerateSyncableHash(PASSWORDS,
-                                                client_tag),
-                 entity_specifics);
-  // New node shouldn't start off unsynced.
-  EXPECT_FALSE(ResetUnsyncedEntry(PASSWORDS, client_tag));
-
-  // Force a re-encrypt everything. Should not set is_unsynced.
-  testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  EXPECT_CALL(encryption_observer_, OnEncryptedTypesChanged(_, false));
-  sync_manager_.GetEncryptionHandler()->Init();
-  PumpLoop();
-  EXPECT_FALSE(ResetUnsyncedEntry(PASSWORDS, client_tag));
-}
-
-// Test that attempting to start up with corrupted password data triggers
-// an unrecoverable error (rather than crashing).
-TEST_F(SyncManagerTest, ReencryptEverythingWithUnrecoverableErrorPasswords) {
-  const char kClientTag[] = "client_tag";
-
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  sync_pb::EntitySpecifics entity_specifics;
-  {
-    // Create a synced bookmark with undecryptable data.
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-
-    Cryptographer other_cryptographer(&encryptor_);
-    KeyParams fake_params = {"localhost", "dummy", "fake_key"};
-    other_cryptographer.AddKey(fake_params);
-    sync_pb::PasswordSpecificsData data;
-    data.set_password_value("secret");
-    other_cryptographer.Encrypt(
-        data,
-        entity_specifics.mutable_password()->mutable_encrypted());
-
-    // Set up the real cryptographer with a different key.
-    KeyParams real_params = {"localhost", "username", "real_key"};
-    trans.GetCryptographer()->AddKey(real_params);
-  }
-  MakeServerNode(sync_manager_.GetUserShare(), PASSWORDS, kClientTag,
-                 syncable::GenerateSyncableHash(PASSWORDS,
-                                                kClientTag),
-                 entity_specifics);
-  EXPECT_FALSE(ResetUnsyncedEntry(PASSWORDS, kClientTag));
-
-  // Force a re-encrypt everything. Should trigger an unrecoverable error due
-  // to being unable to decrypt the data that was previously applied.
-  testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  EXPECT_CALL(encryption_observer_, OnEncryptedTypesChanged(_, false));
-  EXPECT_FALSE(HasUnrecoverableError());
-  sync_manager_.GetEncryptionHandler()->Init();
-  PumpLoop();
-  EXPECT_TRUE(HasUnrecoverableError());
-}
-
-// Test that attempting to start up with corrupted bookmark data triggers
-// an unrecoverable error (rather than crashing).
-TEST_F(SyncManagerTest, ReencryptEverythingWithUnrecoverableErrorBookmarks) {
-  const char kClientTag[] = "client_tag";
-  EXPECT_CALL(encryption_observer_,
-              OnEncryptedTypesChanged(
-                  HasModelTypes(EncryptableUserTypes()), true));
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, FULL_ENCRYPTION));
-  sync_pb::EntitySpecifics entity_specifics;
-  {
-    // Create a synced bookmark with undecryptable data.
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-
-    Cryptographer other_cryptographer(&encryptor_);
-    KeyParams fake_params = {"localhost", "dummy", "fake_key"};
-    other_cryptographer.AddKey(fake_params);
-    sync_pb::EntitySpecifics bm_specifics;
-    bm_specifics.mutable_bookmark()->set_title("title");
-    bm_specifics.mutable_bookmark()->set_url("url");
-    sync_pb::EncryptedData encrypted;
-    other_cryptographer.Encrypt(bm_specifics, &encrypted);
-    entity_specifics.mutable_encrypted()->CopyFrom(encrypted);
-
-    // Set up the real cryptographer with a different key.
-    KeyParams real_params = {"localhost", "username", "real_key"};
-    trans.GetCryptographer()->AddKey(real_params);
-  }
-  MakeServerNode(sync_manager_.GetUserShare(), BOOKMARKS, kClientTag,
-                 syncable::GenerateSyncableHash(BOOKMARKS,
-                                                kClientTag),
-                 entity_specifics);
-  EXPECT_FALSE(ResetUnsyncedEntry(BOOKMARKS, kClientTag));
-
-  // Force a re-encrypt everything. Should trigger an unrecoverable error due
-  // to being unable to decrypt the data that was previously applied.
-  testing::Mock::VerifyAndClearExpectations(&encryption_observer_);
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  EXPECT_CALL(encryption_observer_, OnEncryptedTypesChanged(_, true));
-  EXPECT_FALSE(HasUnrecoverableError());
-  sync_manager_.GetEncryptionHandler()->Init();
-  PumpLoop();
-  EXPECT_TRUE(HasUnrecoverableError());
-}
-
-// Verify SetTitle(..) doesn't unnecessarily set IS_UNSYNCED for bookmarks
-// when we write the same data, but does set it when we write new data.
-TEST_F(SyncManagerTest, SetBookmarkTitle) {
-  std::string client_tag = "title";
-  sync_pb::EntitySpecifics entity_specifics;
-  entity_specifics.mutable_bookmark()->set_url("url");
-  entity_specifics.mutable_bookmark()->set_title("title");
-  MakeServerNode(sync_manager_.GetUserShare(), BOOKMARKS, client_tag,
-                 syncable::GenerateSyncableHash(BOOKMARKS,
-                                                client_tag),
-                 entity_specifics);
-  // New node shouldn't start off unsynced.
-  EXPECT_FALSE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-
-  // Manually change to the same title. Should not set is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    node.SetTitle(client_tag);
-  }
-  EXPECT_FALSE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-
-  // Manually change to new title. Should set is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    node.SetTitle("title2");
-  }
-  EXPECT_TRUE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-}
-
-// Verify SetTitle(..) doesn't unnecessarily set IS_UNSYNCED for encrypted
-// bookmarks when we write the same data, but does set it when we write new
-// data.
-TEST_F(SyncManagerTest, SetBookmarkTitleWithEncryption) {
-  std::string client_tag = "title";
-  sync_pb::EntitySpecifics entity_specifics;
-  entity_specifics.mutable_bookmark()->set_url("url");
-  entity_specifics.mutable_bookmark()->set_title("title");
-  MakeServerNode(sync_manager_.GetUserShare(), BOOKMARKS, client_tag,
-                 syncable::GenerateSyncableHash(BOOKMARKS,
-                                                client_tag),
-                 entity_specifics);
-  // New node shouldn't start off unsynced.
-  EXPECT_FALSE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-
-  // Encrypt the datatatype, should set is_unsynced.
-  EXPECT_CALL(encryption_observer_,
-              OnEncryptedTypesChanged(
-                  HasModelTypes(EncryptableUserTypes()), true));
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, FULL_ENCRYPTION));
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  EXPECT_CALL(encryption_observer_, OnEncryptedTypesChanged(_, true));
-  sync_manager_.GetEncryptionHandler()->Init();
-  PumpLoop();
-  EXPECT_TRUE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-
-  // Manually change to the same title. Should not set is_unsynced.
-  // NON_UNIQUE_NAME should be kEncryptedString.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    node.SetTitle(client_tag);
-    const syncable::Entry* node_entry = node.GetEntry();
-    const sync_pb::EntitySpecifics& specifics = node_entry->GetSpecifics();
-    EXPECT_TRUE(specifics.has_encrypted());
-    EXPECT_EQ(kEncryptedString, node_entry->GetNonUniqueName());
-  }
-  EXPECT_FALSE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-
-  // Manually change to new title. Should set is_unsynced. NON_UNIQUE_NAME
-  // should still be kEncryptedString.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    node.SetTitle("title2");
-    const syncable::Entry* node_entry = node.GetEntry();
-    const sync_pb::EntitySpecifics& specifics = node_entry->GetSpecifics();
-    EXPECT_TRUE(specifics.has_encrypted());
-    EXPECT_EQ(kEncryptedString, node_entry->GetNonUniqueName());
-  }
-  EXPECT_TRUE(ResetUnsyncedEntry(BOOKMARKS, client_tag));
-}
-
-// Verify SetTitle(..) doesn't unnecessarily set IS_UNSYNCED for non-bookmarks
-// when we write the same data, but does set it when we write new data.
-TEST_F(SyncManagerTest, SetNonBookmarkTitle) {
-  std::string client_tag = "title";
-  sync_pb::EntitySpecifics entity_specifics;
-  entity_specifics.mutable_preference()->set_name("name");
-  entity_specifics.mutable_preference()->set_value("value");
-  MakeServerNode(sync_manager_.GetUserShare(),
-                 PREFERENCES,
-                 client_tag,
-                 syncable::GenerateSyncableHash(PREFERENCES,
-                                                client_tag),
-                 entity_specifics);
-  // New node shouldn't start off unsynced.
-  EXPECT_FALSE(ResetUnsyncedEntry(PREFERENCES, client_tag));
-
-  // Manually change to the same title. Should not set is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(PREFERENCES, client_tag));
-    node.SetTitle(client_tag);
-  }
-  EXPECT_FALSE(ResetUnsyncedEntry(PREFERENCES, client_tag));
-
-  // Manually change to new title. Should set is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(PREFERENCES, client_tag));
-    node.SetTitle("title2");
-  }
-  EXPECT_TRUE(ResetUnsyncedEntry(PREFERENCES, client_tag));
-}
-
-// Verify SetTitle(..) doesn't unnecessarily set IS_UNSYNCED for encrypted
-// non-bookmarks when we write the same data or when we write new data
-// data (should remained kEncryptedString).
-TEST_F(SyncManagerTest, SetNonBookmarkTitleWithEncryption) {
-  std::string client_tag = "title";
-  sync_pb::EntitySpecifics entity_specifics;
-  entity_specifics.mutable_preference()->set_name("name");
-  entity_specifics.mutable_preference()->set_value("value");
-  MakeServerNode(sync_manager_.GetUserShare(),
-                 PREFERENCES,
-                 client_tag,
-                 syncable::GenerateSyncableHash(PREFERENCES,
-                                                client_tag),
-                 entity_specifics);
-  // New node shouldn't start off unsynced.
-  EXPECT_FALSE(ResetUnsyncedEntry(PREFERENCES, client_tag));
-
-  // Encrypt the datatatype, should set is_unsynced.
-  EXPECT_CALL(encryption_observer_,
-              OnEncryptedTypesChanged(
-                  HasModelTypes(EncryptableUserTypes()), true));
-  EXPECT_CALL(encryption_observer_, OnEncryptionComplete());
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, FULL_ENCRYPTION));
-  EXPECT_CALL(encryption_observer_, OnCryptographerStateChanged(_));
-  EXPECT_CALL(encryption_observer_, OnEncryptedTypesChanged(_, true));
-  sync_manager_.GetEncryptionHandler()->Init();
-  PumpLoop();
-  EXPECT_TRUE(ResetUnsyncedEntry(PREFERENCES, client_tag));
-
-  // Manually change to the same title. Should not set is_unsynced.
-  // NON_UNIQUE_NAME should be kEncryptedString.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(PREFERENCES, client_tag));
-    node.SetTitle(client_tag);
-    const syncable::Entry* node_entry = node.GetEntry();
-    const sync_pb::EntitySpecifics& specifics = node_entry->GetSpecifics();
-    EXPECT_TRUE(specifics.has_encrypted());
-    EXPECT_EQ(kEncryptedString, node_entry->GetNonUniqueName());
-  }
-  EXPECT_FALSE(ResetUnsyncedEntry(PREFERENCES, client_tag));
-
-  // Manually change to new title. Should not set is_unsynced because the
-  // NON_UNIQUE_NAME should still be kEncryptedString.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(PREFERENCES, client_tag));
-    node.SetTitle("title2");
-    const syncable::Entry* node_entry = node.GetEntry();
-    const sync_pb::EntitySpecifics& specifics = node_entry->GetSpecifics();
-    EXPECT_TRUE(specifics.has_encrypted());
-    EXPECT_EQ(kEncryptedString, node_entry->GetNonUniqueName());
-    EXPECT_FALSE(node_entry->GetIsUnsynced());
-  }
-}
-
-// Ensure that titles are truncated to 255 bytes, and attempting to reset
-// them to their longer version does not set IS_UNSYNCED.
-TEST_F(SyncManagerTest, SetLongTitle) {
-  const int kNumChars = 512;
-  const std::string kClientTag = "tag";
-  std::string title(kNumChars, '0');
-  sync_pb::EntitySpecifics entity_specifics;
-  entity_specifics.mutable_preference()->set_name("name");
-  entity_specifics.mutable_preference()->set_value("value");
-  MakeServerNode(sync_manager_.GetUserShare(),
-                 PREFERENCES,
-                 "short_title",
-                 syncable::GenerateSyncableHash(PREFERENCES,
-                                                kClientTag),
-                 entity_specifics);
-  // New node shouldn't start off unsynced.
-  EXPECT_FALSE(ResetUnsyncedEntry(PREFERENCES, kClientTag));
-
-  // Manually change to the long title. Should set is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(PREFERENCES, kClientTag));
-    node.SetTitle(title);
-    EXPECT_EQ(node.GetTitle(), title.substr(0, 255));
-  }
-  EXPECT_TRUE(ResetUnsyncedEntry(PREFERENCES, kClientTag));
-
-  // Manually change to the same title. Should not set is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(PREFERENCES, kClientTag));
-    node.SetTitle(title);
-    EXPECT_EQ(node.GetTitle(), title.substr(0, 255));
-  }
-  EXPECT_FALSE(ResetUnsyncedEntry(PREFERENCES, kClientTag));
-
-  // Manually change to new title. Should set is_unsynced.
-  {
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(PREFERENCES, kClientTag));
-    node.SetTitle("title2");
-  }
-  EXPECT_TRUE(ResetUnsyncedEntry(PREFERENCES, kClientTag));
-}
-
-// Create an encrypted entry when the cryptographer doesn't think the type is
-// marked for encryption. Ensure reads/writes don't break and don't unencrypt
-// the data.
-TEST_F(SyncManagerTest, SetPreviouslyEncryptedSpecifics) {
-  std::string client_tag = "tag";
-  std::string url = "url";
-  std::string url2 = "new_url";
-  std::string title = "title";
-  sync_pb::EntitySpecifics entity_specifics;
-  EXPECT_TRUE(SetUpEncryption(WRITE_TO_NIGORI, DEFAULT_ENCRYPTION));
-  {
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    Cryptographer* crypto = trans.GetCryptographer();
-    sync_pb::EntitySpecifics bm_specifics;
-    bm_specifics.mutable_bookmark()->set_title("title");
-    bm_specifics.mutable_bookmark()->set_url("url");
-    sync_pb::EncryptedData encrypted;
-    crypto->Encrypt(bm_specifics, &encrypted);
-    entity_specifics.mutable_encrypted()->CopyFrom(encrypted);
-    AddDefaultFieldValue(BOOKMARKS, &entity_specifics);
-  }
-  MakeServerNode(sync_manager_.GetUserShare(), BOOKMARKS, client_tag,
-                 syncable::GenerateSyncableHash(BOOKMARKS,
-                                                client_tag),
-                 entity_specifics);
-
-  {
-    // Verify the data.
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    EXPECT_EQ(title, node.GetTitle());
-    EXPECT_EQ(url, node.GetBookmarkSpecifics().url());
-  }
-
-  {
-    // Overwrite the url (which overwrites the specifics).
-    WriteTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    WriteNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-
-    sync_pb::BookmarkSpecifics bookmark_specifics(node.GetBookmarkSpecifics());
-    bookmark_specifics.set_url(url2);
-    node.SetBookmarkSpecifics(bookmark_specifics);
-  }
-
-  {
-    // Verify it's still encrypted and it has the most recent url.
-    ReadTransaction trans(FROM_HERE, sync_manager_.GetUserShare());
-    ReadNode node(&trans);
-    EXPECT_EQ(BaseNode::INIT_OK,
-              node.InitByClientTagLookup(BOOKMARKS, client_tag));
-    EXPECT_EQ(title, node.GetTitle());
-    EXPECT_EQ(url2, node.GetBookmarkSpecifics().url());
-    const syncable::Entry* node_entry = node.GetEntry();
-    EXPECT_EQ(kEncryptedString, node_entry->GetNonUniqueName());
-    const sync_pb::EntitySpecifics& specifics = node_entry->GetSpecifics();
-    EXPECT_TRUE(specifics.has_encrypted());
-  }
-}
-
-// Verify transaction version of a model type is incremented when node of
-// that type is updated.
-TEST_F(SyncManagerTest, IncrementTransactionVersion) {
-  ModelSafeRoutingInfo routing_info;
-  GetModelSafeRoutingInfo(&routing_info);
-
-  {
-    ReadTransaction read_trans(FROM_HERE, sync_manager_.GetUserShare());
-    for (ModelSafeRoutingInfo::iterator i = routing_info.begin();
-         i != routing_info.end(); ++i) {
-      // Transaction version is incremented when SyncManagerTest::SetUp()
-      // creates a node of each type.
-      EXPECT_EQ(1,
-                sync_manager_.GetUserShare()->directory->
-                    GetTransactionVersion(i->first));
-    }
-  }
-
-  // Create bookmark node to increment transaction version of bookmark model.
-  std::string client_tag = "title";
-  sync_pb::EntitySpecifics entity_specifics;
-  entity_specifics.mutable_bookmark()->set_url("url");
-  entity_specifics.mutable_bookmark()->set_title("title");
-  MakeServerNode(sync_manager_.GetUserShare(), BOOKMARKS, client_tag,
-                 syncable::GenerateSyncableHash(BOOKMARKS,
-                                                client_tag),
-                 entity_specifics);
-
-  {
-    ReadTransaction read_trans(FROM_HERE, sync_manager_.GetUserShare());
-    for (ModelSafeRoutingInfo::iterator i = routing_info.begin();
-         i != routing_info.end(); ++i) {
-      EXPECT_EQ(i->first == BOOKMARKS ? 2 : 1,
-                sync_manager_.GetUserShare()->directory->
-                    GetTransactionVersion(i->first));
-    }
-  }
-}
-
-class MockSyncScheduler : public FakeSyncScheduler {
- public:
-  MockSyncScheduler() : FakeSyncScheduler() {}
-  virtual ~MockSyncScheduler() {}
-
-  MOCK_METHOD2(Start, void(SyncScheduler::Mode, base::Time));
-  MOCK_METHOD1(ScheduleConfiguration, void(const ConfigurationParams&));
-};
-
-class ComponentsFactory : public TestInternalComponentsFactory {
- public:
-  ComponentsFactory(const Switches& switches,
-                    SyncScheduler* scheduler_to_use,
-                    sessions::SyncSessionContext** session_context,
-                    InternalComponentsFactory::StorageOption* storage_used)
-      : TestInternalComponentsFactory(
-          switches, InternalComponentsFactory::STORAGE_IN_MEMORY, storage_used),
-        scheduler_to_use_(scheduler_to_use),
-        session_context_(session_context) {}
-  ~ComponentsFactory() override {}
-
-  std::unique_ptr<SyncScheduler> BuildScheduler(
-      const std::string& name,
-      sessions::SyncSessionContext* context,
-      CancelationSignal* stop_handle) override {
-    *session_context_ = context;
-    return std::move(scheduler_to_use_);
-  }
-
- private:
-  std::unique_ptr<SyncScheduler> scheduler_to_use_;
-  sessions::SyncSessionContext** session_context_;
-};
-
-class SyncManagerTestWithMockScheduler : public SyncManagerTest {
- public:
-  SyncManagerTestWithMockScheduler() : scheduler_(NULL) {}
-  InternalComponentsFactory* GetFactory() override {
-    scheduler_ = new MockSyncScheduler();
-    return new ComponentsFactory(GetSwitches(), scheduler_, &session_context_,
-                                 &storage_used_);
-  }
-
-  MockSyncScheduler* scheduler() { return scheduler_; }
-  sessions::SyncSessionContext* session_context() {
-      return session_context_;
-  }
-
- private:
-  MockSyncScheduler* scheduler_;
-  sessions::SyncSessionContext* session_context_;
-};
-
-// Test that the configuration params are properly created and sent to
-// ScheduleConfigure. No callback should be invoked. Any disabled datatypes
-// should be purged.
-TEST_F(SyncManagerTestWithMockScheduler, BasicConfiguration) {
-  ConfigureReason reason = CONFIGURE_REASON_RECONFIGURATION;
-  ModelTypeSet types_to_download(BOOKMARKS, PREFERENCES);
-  ModelSafeRoutingInfo new_routing_info;
-  GetModelSafeRoutingInfo(&new_routing_info);
-  ModelTypeSet enabled_types = GetRoutingInfoTypes(new_routing_info);
-  ModelTypeSet disabled_types = Difference(ModelTypeSet::All(), enabled_types);
-
-  ConfigurationParams params;
-  EXPECT_CALL(*scheduler(), Start(SyncScheduler::CONFIGURATION_MODE, _));
-  EXPECT_CALL(*scheduler(), ScheduleConfiguration(_)).
-      WillOnce(SaveArg<0>(&params));
-
-  // Set data for all types.
-  ModelTypeSet protocol_types = ProtocolTypes();
-  for (ModelTypeSet::Iterator iter = protocol_types.First(); iter.Good();
-       iter.Inc()) {
-    SetProgressMarkerForType(iter.Get(), true);
-  }
-
-  CallbackCounter ready_task_counter, retry_task_counter;
-  sync_manager_.ConfigureSyncer(
-      reason,
-      types_to_download,
-      disabled_types,
-      ModelTypeSet(),
-      ModelTypeSet(),
-      new_routing_info,
-      base::Bind(&CallbackCounter::Callback,
-                 base::Unretained(&ready_task_counter)),
-      base::Bind(&CallbackCounter::Callback,
-                 base::Unretained(&retry_task_counter)));
-  EXPECT_EQ(0, ready_task_counter.times_called());
-  EXPECT_EQ(0, retry_task_counter.times_called());
-  EXPECT_EQ(sync_pb::GetUpdatesCallerInfo::RECONFIGURATION,
-            params.source);
-  EXPECT_EQ(types_to_download, params.types_to_download);
-  EXPECT_EQ(new_routing_info, params.routing_info);
-
-  // Verify all the disabled types were purged.
-  EXPECT_EQ(enabled_types,
-            sync_manager_.GetUserShare()->directory->InitialSyncEndedTypes());
-  EXPECT_EQ(disabled_types, sync_manager_.GetTypesWithEmptyProgressMarkerToken(
-                                ModelTypeSet::All()));
-}
-
-// Test that on a reconfiguration (configuration where the session context
-// already has routing info), only those recently disabled types are purged.
-TEST_F(SyncManagerTestWithMockScheduler, ReConfiguration) {
-  ConfigureReason reason = CONFIGURE_REASON_RECONFIGURATION;
-  ModelTypeSet types_to_download(BOOKMARKS, PREFERENCES);
-  ModelTypeSet disabled_types = ModelTypeSet(THEMES, SESSIONS);
-  ModelSafeRoutingInfo old_routing_info;
-  ModelSafeRoutingInfo new_routing_info;
-  GetModelSafeRoutingInfo(&old_routing_info);
-  new_routing_info = old_routing_info;
-  new_routing_info.erase(THEMES);
-  new_routing_info.erase(SESSIONS);
-  ModelTypeSet enabled_types = GetRoutingInfoTypes(new_routing_info);
-
-  ConfigurationParams params;
-  EXPECT_CALL(*scheduler(), Start(SyncScheduler::CONFIGURATION_MODE, _));
-  EXPECT_CALL(*scheduler(), ScheduleConfiguration(_)).
-      WillOnce(SaveArg<0>(&params));
-
-  // Set data for all types except those recently disabled (so we can verify
-  // only those recently disabled are purged) .
-  ModelTypeSet protocol_types = ProtocolTypes();
-  for (ModelTypeSet::Iterator iter = protocol_types.First(); iter.Good();
-       iter.Inc()) {
-    if (!disabled_types.Has(iter.Get())) {
-      SetProgressMarkerForType(iter.Get(), true);
-    } else {
-      SetProgressMarkerForType(iter.Get(), false);
-    }
-  }
-
-  // Set the context to have the old routing info.
-  session_context()->SetRoutingInfo(old_routing_info);
-
-  CallbackCounter ready_task_counter, retry_task_counter;
-  sync_manager_.ConfigureSyncer(
-      reason,
-      types_to_download,
-      ModelTypeSet(),
-      ModelTypeSet(),
-      ModelTypeSet(),
-      new_routing_info,
-      base::Bind(&CallbackCounter::Callback,
-                 base::Unretained(&ready_task_counter)),
-      base::Bind(&CallbackCounter::Callback,
-                 base::Unretained(&retry_task_counter)));
-  EXPECT_EQ(0, ready_task_counter.times_called());
-  EXPECT_EQ(0, retry_task_counter.times_called());
-  EXPECT_EQ(sync_pb::GetUpdatesCallerInfo::RECONFIGURATION,
-            params.source);
-  EXPECT_EQ(types_to_download, params.types_to_download);
-  EXPECT_EQ(new_routing_info, params.routing_info);
-
-  // Verify only the recently disabled types were purged.
-  EXPECT_EQ(disabled_types, sync_manager_.GetTypesWithEmptyProgressMarkerToken(
-                                ProtocolTypes()));
-}
-
-// Test that SyncManager::ClearServerData invokes the scheduler.
-TEST_F(SyncManagerTestWithMockScheduler, ClearServerData) {
-  EXPECT_CALL(*scheduler(), Start(SyncScheduler::CLEAR_SERVER_DATA_MODE, _));
-  CallbackCounter callback_counter;
-  sync_manager_.ClearServerData(base::Bind(
-      &CallbackCounter::Callback, base::Unretained(&callback_counter)));
-  PumpLoop();
-  EXPECT_EQ(1, callback_counter.times_called());
-}
-
-// Test that PurgePartiallySyncedTypes purges only those types that have not
-// fully completed their initial download and apply.
-TEST_F(SyncManagerTest, PurgePartiallySyncedTypes) {
-  ModelSafeRoutingInfo routing_info;
-  GetModelSafeRoutingInfo(&routing_info);
-  ModelTypeSet enabled_types = GetRoutingInfoTypes(routing_info);
-
-  UserShare* share = sync_manager_.GetUserShare();
-
-  // The test harness automatically initializes all types in the routing info.
-  // Check that autofill is not among them.
-  ASSERT_FALSE(enabled_types.Has(AUTOFILL));
-
-  // Further ensure that the test harness did not create its root node.
-  {
-    syncable::ReadTransaction trans(FROM_HERE, share->directory.get());
-    syncable::Entry autofill_root_node(&trans,
-                                       syncable::GET_TYPE_ROOT,
-                                       AUTOFILL);
-    ASSERT_FALSE(autofill_root_node.good());
-  }
-
-  // One more redundant check.
-  ASSERT_FALSE(
-      sync_manager_.GetUserShare()->directory->InitialSyncEndedTypes().Has(
-          AUTOFILL));
-
-  // Give autofill a progress marker.
-  sync_pb::DataTypeProgressMarker autofill_marker;
-  autofill_marker.set_data_type_id(
-      GetSpecificsFieldNumberFromModelType(AUTOFILL));
-  autofill_marker.set_token("token");
-  share->directory->SetDownloadProgress(AUTOFILL, autofill_marker);
-
-  // Also add a pending autofill root node update from the server.
-  TestEntryFactory factory_(share->directory.get());
-  int autofill_meta = factory_.CreateUnappliedRootNode(AUTOFILL);
-
-  // Preferences is an enabled type.  Check that the harness initialized it.
-  ASSERT_TRUE(enabled_types.Has(PREFERENCES));
-  ASSERT_TRUE(
-      sync_manager_.GetUserShare()->directory->InitialSyncEndedTypes().Has(
-          PREFERENCES));
-
-  // Give preferencse a progress marker.
-  sync_pb::DataTypeProgressMarker prefs_marker;
-  prefs_marker.set_data_type_id(
-      GetSpecificsFieldNumberFromModelType(PREFERENCES));
-  prefs_marker.set_token("token");
-  share->directory->SetDownloadProgress(PREFERENCES, prefs_marker);
-
-  // Add a fully synced preferences node under the root.
-  std::string pref_client_tag = "prefABC";
-  std::string pref_hashed_tag = "hashXYZ";
-  sync_pb::EntitySpecifics pref_specifics;
-  AddDefaultFieldValue(PREFERENCES, &pref_specifics);
-  int pref_meta = MakeServerNode(
-      share, PREFERENCES, pref_client_tag, pref_hashed_tag, pref_specifics);
-
-  // And now, the purge.
-  EXPECT_TRUE(sync_manager_.PurgePartiallySyncedTypes());
-
-  // Ensure that autofill lost its progress marker, but preferences did not.
-  ModelTypeSet empty_tokens =
-      sync_manager_.GetTypesWithEmptyProgressMarkerToken(ModelTypeSet::All());
-  EXPECT_TRUE(empty_tokens.Has(AUTOFILL));
-  EXPECT_FALSE(empty_tokens.Has(PREFERENCES));
-
-  // Ensure that autofill lost its node, but preferences did not.
-  {
-    syncable::ReadTransaction trans(FROM_HERE, share->directory.get());
-    syncable::Entry autofill_node(&trans, GET_BY_HANDLE, autofill_meta);
-    syncable::Entry pref_node(&trans, GET_BY_HANDLE, pref_meta);
-    EXPECT_FALSE(autofill_node.good());
-    EXPECT_TRUE(pref_node.good());
-  }
-}
-
-// Test CleanupDisabledTypes properly purges all disabled types as specified
-// by the previous and current enabled params.
-TEST_F(SyncManagerTest, PurgeDisabledTypes) {
-  ModelSafeRoutingInfo routing_info;
-  GetModelSafeRoutingInfo(&routing_info);
-  ModelTypeSet enabled_types = GetRoutingInfoTypes(routing_info);
-  ModelTypeSet disabled_types = Difference(ModelTypeSet::All(), enabled_types);
-
-  // The harness should have initialized the enabled_types for us.
-  EXPECT_EQ(enabled_types,
-            sync_manager_.GetUserShare()->directory->InitialSyncEndedTypes());
-
-  // Set progress markers for all types.
-  ModelTypeSet protocol_types = ProtocolTypes();
-  for (ModelTypeSet::Iterator iter = protocol_types.First(); iter.Good();
-       iter.Inc()) {
-    SetProgressMarkerForType(iter.Get(), true);
-  }
-
-  // Verify all the enabled types remain after cleanup, and all the disabled
-  // types were purged.
-  sync_manager_.PurgeDisabledTypes(disabled_types,
-                                   ModelTypeSet(),
-                                   ModelTypeSet());
-  EXPECT_EQ(enabled_types,
-            sync_manager_.GetUserShare()->directory->InitialSyncEndedTypes());
-  EXPECT_EQ(disabled_types, sync_manager_.GetTypesWithEmptyProgressMarkerToken(
-                                ModelTypeSet::All()));
-
-  // Disable some more types.
-  disabled_types.Put(BOOKMARKS);
-  disabled_types.Put(PREFERENCES);
-  ModelTypeSet new_enabled_types =
-      Difference(ModelTypeSet::All(), disabled_types);
-
-  // Verify only the non-disabled types remain after cleanup.
-  sync_manager_.PurgeDisabledTypes(disabled_types,
-                                   ModelTypeSet(),
-                                   ModelTypeSet());
-  EXPECT_EQ(new_enabled_types,
-            sync_manager_.GetUserShare()->directory->InitialSyncEndedTypes());
-  EXPECT_EQ(disabled_types, sync_manager_.GetTypesWithEmptyProgressMarkerToken(
-                                ModelTypeSet::All()));
-}
-
-// Test PurgeDisabledTypes properly unapplies types by deleting their local data
-// and preserving their server data and progress marker.
-TEST_F(SyncManagerTest, PurgeUnappliedTypes) {
-  ModelSafeRoutingInfo routing_info;
-  GetModelSafeRoutingInfo(&routing_info);
-  ModelTypeSet unapplied_types = ModelTypeSet(BOOKMARKS, PREFERENCES);
-  ModelTypeSet enabled_types = GetRoutingInfoTypes(routing_info);
-  ModelTypeSet disabled_types = Difference(ModelTypeSet::All(), enabled_types);
-
-  // The harness should have initialized the enabled_types for us.
-  EXPECT_EQ(enabled_types,
-            sync_manager_.GetUserShare()->directory->InitialSyncEndedTypes());
-
-  // Set progress markers for all types.
-  ModelTypeSet protocol_types = ProtocolTypes();
-  for (ModelTypeSet::Iterator iter = protocol_types.First(); iter.Good();
-       iter.Inc()) {
-    SetProgressMarkerForType(iter.Get(), true);
-  }
-
-  // Add the following kinds of items:
-  // 1. Fully synced preference.
-  // 2. Locally created preference, server unknown, unsynced
-  // 3. Locally deleted preference, server known, unsynced
-  // 4. Server deleted preference, locally known.
-  // 5. Server created preference, locally unknown, unapplied.
-  // 6. A fully synced bookmark (no unique_client_tag).
-  UserShare* share = sync_manager_.GetUserShare();
-  sync_pb::EntitySpecifics pref_specifics;
-  AddDefaultFieldValue(PREFERENCES, &pref_specifics);
-  sync_pb::EntitySpecifics bm_specifics;
-  AddDefaultFieldValue(BOOKMARKS, &bm_specifics);
-  int pref1_meta = MakeServerNode(
-      share, PREFERENCES, "pref1", "hash1", pref_specifics);
-  int64_t pref2_meta = MakeNodeWithRoot(share, PREFERENCES, "pref2");
-  int pref3_meta = MakeServerNode(
-      share, PREFERENCES, "pref3", "hash3", pref_specifics);
-  int pref4_meta = MakeServerNode(
-      share, PREFERENCES, "pref4", "hash4", pref_specifics);
-  int pref5_meta = MakeServerNode(
-      share, PREFERENCES, "pref5", "hash5", pref_specifics);
-  int bookmark_meta = MakeServerNode(
-      share, BOOKMARKS, "bookmark", "", bm_specifics);
-
-  {
-    syncable::WriteTransaction trans(FROM_HERE,
-                                     syncable::SYNCER,
-                                     share->directory.get());
-    // Pref's 1 and 2 are already set up properly.
-    // Locally delete pref 3.
-    syncable::MutableEntry pref3(&trans, GET_BY_HANDLE, pref3_meta);
-    pref3.PutIsDel(true);
-    pref3.PutIsUnsynced(true);
-    // Delete pref 4 at the server.
-    syncable::MutableEntry pref4(&trans, GET_BY_HANDLE, pref4_meta);
-    pref4.PutServerIsDel(true);
-    pref4.PutIsUnappliedUpdate(true);
-    pref4.PutServerVersion(2);
-    // Pref 5 is an new unapplied update.
-    syncable::MutableEntry pref5(&trans, GET_BY_HANDLE, pref5_meta);
-    pref5.PutIsUnappliedUpdate(true);
-    pref5.PutIsDel(true);
-    pref5.PutBaseVersion(-1);
-    // Bookmark is already set up properly
-  }
-
-  // Take a snapshot to clear all the dirty bits.
-  share->directory.get()->SaveChanges();
-
-  // Now request a purge for the unapplied types.
-  disabled_types.PutAll(unapplied_types);
-  sync_manager_.PurgeDisabledTypes(disabled_types,
-                                   ModelTypeSet(),
-                                   unapplied_types);
-
-  // Verify the unapplied types still have progress markers and initial sync
-  // ended after cleanup.
-  EXPECT_TRUE(
-      sync_manager_.GetUserShare()->directory->InitialSyncEndedTypes().HasAll(
-          unapplied_types));
-  EXPECT_TRUE(
-      sync_manager_.GetTypesWithEmptyProgressMarkerToken(unapplied_types).
-          Empty());
-
-  // Ensure the items were unapplied as necessary.
-  {
-    syncable::ReadTransaction trans(FROM_HERE, share->directory.get());
-    syncable::Entry pref_node(&trans, GET_BY_HANDLE, pref1_meta);
-    ASSERT_TRUE(pref_node.good());
-    EXPECT_TRUE(pref_node.GetKernelCopy().is_dirty());
-    EXPECT_FALSE(pref_node.GetIsUnsynced());
-    EXPECT_TRUE(pref_node.GetIsUnappliedUpdate());
-    EXPECT_TRUE(pref_node.GetIsDel());
-    EXPECT_GT(pref_node.GetServerVersion(), 0);
-    EXPECT_EQ(pref_node.GetBaseVersion(), -1);
-
-    // Pref 2 should just be locally deleted.
-    syncable::Entry pref2_node(&trans, GET_BY_HANDLE, pref2_meta);
-    ASSERT_TRUE(pref2_node.good());
-    EXPECT_TRUE(pref2_node.GetKernelCopy().is_dirty());
-    EXPECT_FALSE(pref2_node.GetIsUnsynced());
-    EXPECT_TRUE(pref2_node.GetIsDel());
-    EXPECT_FALSE(pref2_node.GetIsUnappliedUpdate());
-    EXPECT_TRUE(pref2_node.GetIsDel());
-    EXPECT_EQ(pref2_node.GetServerVersion(), 0);
-    EXPECT_EQ(pref2_node.GetBaseVersion(), -1);
-
-    syncable::Entry pref3_node(&trans, GET_BY_HANDLE, pref3_meta);
-    ASSERT_TRUE(pref3_node.good());
-    EXPECT_TRUE(pref3_node.GetKernelCopy().is_dirty());
-    EXPECT_FALSE(pref3_node.GetIsUnsynced());
-    EXPECT_TRUE(pref3_node.GetIsUnappliedUpdate());
-    EXPECT_TRUE(pref3_node.GetIsDel());
-    EXPECT_GT(pref3_node.GetServerVersion(), 0);
-    EXPECT_EQ(pref3_node.GetBaseVersion(), -1);
-
-    syncable::Entry pref4_node(&trans, GET_BY_HANDLE, pref4_meta);
-    ASSERT_TRUE(pref4_node.good());
-    EXPECT_TRUE(pref4_node.GetKernelCopy().is_dirty());
-    EXPECT_FALSE(pref4_node.GetIsUnsynced());
-    EXPECT_TRUE(pref4_node.GetIsUnappliedUpdate());
-    EXPECT_TRUE(pref4_node.GetIsDel());
-    EXPECT_GT(pref4_node.GetServerVersion(), 0);
-    EXPECT_EQ(pref4_node.GetBaseVersion(), -1);
-
-    // Pref 5 should remain untouched.
-    syncable::Entry pref5_node(&trans, GET_BY_HANDLE, pref5_meta);
-    ASSERT_TRUE(pref5_node.good());
-    EXPECT_FALSE(pref5_node.GetKernelCopy().is_dirty());
-    EXPECT_FALSE(pref5_node.GetIsUnsynced());
-    EXPECT_TRUE(pref5_node.GetIsUnappliedUpdate());
-    EXPECT_TRUE(pref5_node.GetIsDel());
-    EXPECT_GT(pref5_node.GetServerVersion(), 0);
-    EXPECT_EQ(pref5_node.GetBaseVersion(), -1);
-
-    syncable::Entry bookmark_node(&trans, GET_BY_HANDLE, bookmark_meta);
-    ASSERT_TRUE(bookmark_node.good());
-    EXPECT_TRUE(bookmark_node.GetKernelCopy().is_dirty());
-    EXPECT_FALSE(bookmark_node.GetIsUnsynced());
-    EXPECT_TRUE(bookmark_node.GetIsUnappliedUpdate());
-    EXPECT_TRUE(bookmark_node.GetIsDel());
-    EXPECT_GT(bookmark_node.GetServerVersion(), 0);
-    EXPECT_EQ(bookmark_node.GetBaseVersion(), -1);
-  }
-}
-
-// A test harness to exercise the code that processes and passes changes from
-// the "SYNCER"-WriteTransaction destructor, through the SyncManager, to the
-// ChangeProcessor.
-class SyncManagerChangeProcessingTest : public SyncManagerTest {
- public:
-  void OnChangesApplied(ModelType model_type,
-                        int64_t model_version,
-                        const BaseTransaction* trans,
-                        const ImmutableChangeRecordList& changes) override {
-    last_changes_ = changes;
-  }
-
-  void OnChangesComplete(ModelType model_type) override {}
-
-  const ImmutableChangeRecordList& GetRecentChangeList() {
-    return last_changes_;
-  }
-
-  UserShare* share() {
-    return sync_manager_.GetUserShare();
-  }
-
-  // Set some flags so our nodes reasonably approximate the real world scenario
-  // and can get past CheckTreeInvariants.
-  //
-  // It's never going to be truly accurate, since we're squashing update
-  // receipt, processing and application into a single transaction.
-  void SetNodeProperties(syncable::MutableEntry *entry) {
-    entry->PutId(id_factory_.NewServerId());
-    entry->PutBaseVersion(10);
-    entry->PutServerVersion(10);
-  }
-
-  // Looks for the given change in the list.  Returns the index at which it was
-  // found.  Returns -1 on lookup failure.
-  size_t FindChangeInList(int64_t id, ChangeRecord::Action action) {
-    SCOPED_TRACE(id);
-    for (size_t i = 0; i < last_changes_.Get().size(); ++i) {
-      if (last_changes_.Get()[i].id == id
-          && last_changes_.Get()[i].action == action) {
-        return i;
-      }
-    }
-    ADD_FAILURE() << "Failed to find specified change";
-    return static_cast<size_t>(-1);
-  }
-
-  // Returns the current size of the change list.
-  //
-  // Note that spurious changes do not necessarily indicate a problem.
-  // Assertions on change list size can help detect problems, but it may be
-  // necessary to reduce their strictness if the implementation changes.
-  size_t GetChangeListSize() {
-    return last_changes_.Get().size();
-  }
-
-  void ClearChangeList() { last_changes_ = ImmutableChangeRecordList(); }
-
- protected:
-  ImmutableChangeRecordList last_changes_;
-  TestIdFactory id_factory_;
-};
-
-// Test creation of a folder and a bookmark.
-TEST_F(SyncManagerChangeProcessingTest, AddBookmarks) {
-  int64_t type_root = GetIdForDataType(BOOKMARKS);
-  int64_t folder_id = kInvalidId;
-  int64_t child_id = kInvalidId;
-
-  // Create a folder and a bookmark under it.
-  {
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::SYNCER, share()->directory.get());
-    syncable::Entry root(&trans, syncable::GET_BY_HANDLE, type_root);
-    ASSERT_TRUE(root.good());
-
-    syncable::MutableEntry folder(&trans, syncable::CREATE,
-                                  BOOKMARKS, root.GetId(), "folder");
-    ASSERT_TRUE(folder.good());
-    SetNodeProperties(&folder);
-    folder.PutIsDir(true);
-    folder_id = folder.GetMetahandle();
-
-    syncable::MutableEntry child(&trans, syncable::CREATE,
-                                 BOOKMARKS, folder.GetId(), "child");
-    ASSERT_TRUE(child.good());
-    SetNodeProperties(&child);
-    child_id = child.GetMetahandle();
-  }
-
-  // The closing of the above scope will delete the transaction.  Its processed
-  // changes should be waiting for us in a member of the test harness.
-  EXPECT_EQ(2UL, GetChangeListSize());
-
-  // We don't need to check these return values here.  The function will add a
-  // non-fatal failure if these changes are not found.
-  size_t folder_change_pos =
-      FindChangeInList(folder_id, ChangeRecord::ACTION_ADD);
-  size_t child_change_pos =
-      FindChangeInList(child_id, ChangeRecord::ACTION_ADD);
-
-  // Parents are delivered before children.
-  EXPECT_LT(folder_change_pos, child_change_pos);
-}
-
-// Test creation of a preferences (with implicit parent Id)
-TEST_F(SyncManagerChangeProcessingTest, AddPreferences) {
-  int64_t item1_id = kInvalidId;
-  int64_t item2_id = kInvalidId;
-
-  // Create two preferences.
-  {
-    syncable::WriteTransaction trans(FROM_HERE, syncable::SYNCER,
-                                     share()->directory.get());
-
-    syncable::MutableEntry item1(&trans, syncable::CREATE, PREFERENCES,
-                                 "test_item_1");
-    ASSERT_TRUE(item1.good());
-    SetNodeProperties(&item1);
-    item1_id = item1.GetMetahandle();
-
-    // Need at least two items to ensure hitting all possible codepaths in
-    // ChangeReorderBuffer::Traversal::ExpandToInclude.
-    syncable::MutableEntry item2(&trans, syncable::CREATE, PREFERENCES,
-                                 "test_item_2");
-    ASSERT_TRUE(item2.good());
-    SetNodeProperties(&item2);
-    item2_id = item2.GetMetahandle();
-  }
-
-  // The closing of the above scope will delete the transaction.  Its processed
-  // changes should be waiting for us in a member of the test harness.
-  EXPECT_EQ(2UL, GetChangeListSize());
-
-  FindChangeInList(item1_id, ChangeRecord::ACTION_ADD);
-  FindChangeInList(item2_id, ChangeRecord::ACTION_ADD);
-}
-
-// Test moving a bookmark into an empty folder.
-TEST_F(SyncManagerChangeProcessingTest, MoveBookmarkIntoEmptyFolder) {
-  int64_t type_root = GetIdForDataType(BOOKMARKS);
-  int64_t folder_b_id = kInvalidId;
-  int64_t child_id = kInvalidId;
-
-  // Create two folders.  Place a child under folder A.
-  {
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::SYNCER, share()->directory.get());
-    syncable::Entry root(&trans, syncable::GET_BY_HANDLE, type_root);
-    ASSERT_TRUE(root.good());
-
-    syncable::MutableEntry folder_a(&trans, syncable::CREATE,
-                                    BOOKMARKS, root.GetId(), "folderA");
-    ASSERT_TRUE(folder_a.good());
-    SetNodeProperties(&folder_a);
-    folder_a.PutIsDir(true);
-
-    syncable::MutableEntry folder_b(&trans, syncable::CREATE,
-                                    BOOKMARKS, root.GetId(), "folderB");
-    ASSERT_TRUE(folder_b.good());
-    SetNodeProperties(&folder_b);
-    folder_b.PutIsDir(true);
-    folder_b_id = folder_b.GetMetahandle();
-
-    syncable::MutableEntry child(&trans, syncable::CREATE,
-                                 BOOKMARKS, folder_a.GetId(),
-                                 "child");
-    ASSERT_TRUE(child.good());
-    SetNodeProperties(&child);
-    child_id = child.GetMetahandle();
-  }
-
-  // Close that transaction.  The above was to setup the initial scenario.  The
-  // real test starts now.
-
-  // Move the child from folder A to folder B.
-  {
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::SYNCER, share()->directory.get());
-
-    syncable::Entry folder_b(&trans, syncable::GET_BY_HANDLE, folder_b_id);
-    syncable::MutableEntry child(&trans, syncable::GET_BY_HANDLE, child_id);
-
-    child.PutParentId(folder_b.GetId());
-  }
-
-  EXPECT_EQ(1UL, GetChangeListSize());
-
-  // Verify that this was detected as a real change.  An early version of the
-  // UniquePosition code had a bug where moves from one folder to another were
-  // ignored unless the moved node's UniquePosition value was also changed in
-  // some way.
-  FindChangeInList(child_id, ChangeRecord::ACTION_UPDATE);
-}
-
-// Test moving a bookmark into a non-empty folder.
-TEST_F(SyncManagerChangeProcessingTest, MoveIntoPopulatedFolder) {
-  int64_t type_root = GetIdForDataType(BOOKMARKS);
-  int64_t child_a_id = kInvalidId;
-  int64_t child_b_id = kInvalidId;
-
-  // Create two folders.  Place one child each under folder A and folder B.
-  {
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::SYNCER, share()->directory.get());
-    syncable::Entry root(&trans, syncable::GET_BY_HANDLE, type_root);
-    ASSERT_TRUE(root.good());
-
-    syncable::MutableEntry folder_a(&trans, syncable::CREATE,
-                                    BOOKMARKS, root.GetId(), "folderA");
-    ASSERT_TRUE(folder_a.good());
-    SetNodeProperties(&folder_a);
-    folder_a.PutIsDir(true);
-
-    syncable::MutableEntry folder_b(&trans, syncable::CREATE,
-                                    BOOKMARKS, root.GetId(), "folderB");
-    ASSERT_TRUE(folder_b.good());
-    SetNodeProperties(&folder_b);
-    folder_b.PutIsDir(true);
-
-    syncable::MutableEntry child_a(&trans, syncable::CREATE,
-                                   BOOKMARKS, folder_a.GetId(),
-                                   "childA");
-    ASSERT_TRUE(child_a.good());
-    SetNodeProperties(&child_a);
-    child_a_id = child_a.GetMetahandle();
-
-    syncable::MutableEntry child_b(&trans, syncable::CREATE,
-                                   BOOKMARKS, folder_b.GetId(),
-                                   "childB");
-    SetNodeProperties(&child_b);
-    child_b_id = child_b.GetMetahandle();
-  }
-
-  // Close that transaction.  The above was to setup the initial scenario.  The
-  // real test starts now.
-
-  {
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::SYNCER, share()->directory.get());
-
-    syncable::MutableEntry child_a(&trans, syncable::GET_BY_HANDLE, child_a_id);
-    syncable::MutableEntry child_b(&trans, syncable::GET_BY_HANDLE, child_b_id);
-
-    // Move child A from folder A to folder B and update its position.
-    child_a.PutParentId(child_b.GetParentId());
-    child_a.PutPredecessor(child_b.GetId());
-  }
-
-  EXPECT_EQ(1UL, GetChangeListSize());
-
-  // Verify that only child a is in the change list.
-  // (This function will add a failure if the lookup fails.)
-  FindChangeInList(child_a_id, ChangeRecord::ACTION_UPDATE);
-}
-
-// Tests the ordering of deletion changes.
-TEST_F(SyncManagerChangeProcessingTest, DeletionsAndChanges) {
-  int64_t type_root = GetIdForDataType(BOOKMARKS);
-  int64_t folder_a_id = kInvalidId;
-  int64_t folder_b_id = kInvalidId;
-  int64_t child_id = kInvalidId;
-
-  // Create two folders.  Place a child under folder A.
-  {
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::SYNCER, share()->directory.get());
-    syncable::Entry root(&trans, syncable::GET_BY_HANDLE, type_root);
-    ASSERT_TRUE(root.good());
-
-    syncable::MutableEntry folder_a(&trans, syncable::CREATE,
-                                    BOOKMARKS, root.GetId(), "folderA");
-    ASSERT_TRUE(folder_a.good());
-    SetNodeProperties(&folder_a);
-    folder_a.PutIsDir(true);
-    folder_a_id = folder_a.GetMetahandle();
-
-    syncable::MutableEntry folder_b(&trans, syncable::CREATE,
-                                    BOOKMARKS, root.GetId(), "folderB");
-    ASSERT_TRUE(folder_b.good());
-    SetNodeProperties(&folder_b);
-    folder_b.PutIsDir(true);
-    folder_b_id = folder_b.GetMetahandle();
-
-    syncable::MutableEntry child(&trans, syncable::CREATE,
-                                 BOOKMARKS, folder_a.GetId(),
-                                 "child");
-    ASSERT_TRUE(child.good());
-    SetNodeProperties(&child);
-    child_id = child.GetMetahandle();
-  }
-
-  // Close that transaction.  The above was to setup the initial scenario.  The
-  // real test starts now.
-
-  {
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::SYNCER, share()->directory.get());
-
-    syncable::MutableEntry folder_a(
-        &trans, syncable::GET_BY_HANDLE, folder_a_id);
-    syncable::MutableEntry folder_b(
-        &trans, syncable::GET_BY_HANDLE, folder_b_id);
-    syncable::MutableEntry child(&trans, syncable::GET_BY_HANDLE, child_id);
-
-    // Delete folder B and its child.
-    child.PutIsDel(true);
-    folder_b.PutIsDel(true);
-
-    // Make an unrelated change to folder A.
-    folder_a.PutNonUniqueName("NewNameA");
-  }
-
-  EXPECT_EQ(3UL, GetChangeListSize());
-
-  size_t folder_a_pos =
-      FindChangeInList(folder_a_id, ChangeRecord::ACTION_UPDATE);
-  size_t folder_b_pos =
-      FindChangeInList(folder_b_id, ChangeRecord::ACTION_DELETE);
-  size_t child_pos = FindChangeInList(child_id, ChangeRecord::ACTION_DELETE);
-
-  // Deletes should appear before updates.
-  EXPECT_LT(child_pos, folder_a_pos);
-  EXPECT_LT(folder_b_pos, folder_a_pos);
-}
-
-// See that attachment metadata changes are not filtered out by
-// SyncManagerImpl::VisiblePropertiesDiffer.
-TEST_F(SyncManagerChangeProcessingTest, AttachmentMetadataOnlyChanges) {
-  // Create an article with no attachments.  See that a change is generated.
-  int64_t article_id = kInvalidId;
-  {
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::SYNCER, share()->directory.get());
-    int64_t type_root = GetIdForDataType(ARTICLES);
-    syncable::Entry root(&trans, syncable::GET_BY_HANDLE, type_root);
-    ASSERT_TRUE(root.good());
-    syncable::MutableEntry article(
-        &trans, syncable::CREATE, ARTICLES, root.GetId(), "article");
-    ASSERT_TRUE(article.good());
-    SetNodeProperties(&article);
-    article_id = article.GetMetahandle();
-  }
-  ASSERT_EQ(1UL, GetChangeListSize());
-  FindChangeInList(article_id, ChangeRecord::ACTION_ADD);
-  ClearChangeList();
-
-  // Modify the article by adding one attachment.  Don't touch anything else.
-  // See that a change is generated.
-  {
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::SYNCER, share()->directory.get());
-    syncable::MutableEntry article(&trans, syncable::GET_BY_HANDLE, article_id);
-    sync_pb::AttachmentMetadata metadata;
-    *metadata.add_record()->mutable_id() = CreateAttachmentIdProto(0, 0);
-    article.PutAttachmentMetadata(metadata);
-  }
-  ASSERT_EQ(1UL, GetChangeListSize());
-  FindChangeInList(article_id, ChangeRecord::ACTION_UPDATE);
-  ClearChangeList();
-
-  // Modify the article by replacing its attachment with a different one.  See
-  // that a change is generated.
-  {
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::SYNCER, share()->directory.get());
-    syncable::MutableEntry article(&trans, syncable::GET_BY_HANDLE, article_id);
-    sync_pb::AttachmentMetadata metadata = article.GetAttachmentMetadata();
-    *metadata.add_record()->mutable_id() = CreateAttachmentIdProto(0, 0);
-    article.PutAttachmentMetadata(metadata);
-  }
-  ASSERT_EQ(1UL, GetChangeListSize());
-  FindChangeInList(article_id, ChangeRecord::ACTION_UPDATE);
-  ClearChangeList();
-
-  // Modify the article by replacing its attachment metadata with the same
-  // attachment metadata.  No change should be generated.
-  {
-    syncable::WriteTransaction trans(
-        FROM_HERE, syncable::SYNCER, share()->directory.get());
-    syncable::MutableEntry article(&trans, syncable::GET_BY_HANDLE, article_id);
-    article.PutAttachmentMetadata(article.GetAttachmentMetadata());
-  }
-  ASSERT_EQ(0UL, GetChangeListSize());
-}
-
-// During initialization SyncManagerImpl loads sqlite database. If it fails to
-// do so it should fail initialization. This test verifies this behavior.
-// Test reuses SyncManagerImpl initialization from SyncManagerTest but overrides
-// InternalComponentsFactory to return DirectoryBackingStore that always fails
-// to load.
-class SyncManagerInitInvalidStorageTest : public SyncManagerTest {
- public:
-  SyncManagerInitInvalidStorageTest() {
-  }
-
-  InternalComponentsFactory* GetFactory() override {
-    return new TestInternalComponentsFactory(
-        GetSwitches(), InternalComponentsFactory::STORAGE_INVALID,
-        &storage_used_);
-  }
-};
-
-// SyncManagerInitInvalidStorageTest::GetFactory will return
-// DirectoryBackingStore that ensures that SyncManagerImpl::OpenDirectory fails.
-// SyncManagerImpl initialization is done in SyncManagerTest::SetUp. This test's
-// task is to ensure that SyncManagerImpl reported initialization failure in
-// OnInitializationComplete callback.
-TEST_F(SyncManagerInitInvalidStorageTest, FailToOpenDatabase) {
-  EXPECT_FALSE(initialization_succeeded_);
-}
-
-}  // namespace syncer