[Sync] Add size and crc32c to AttachmentId.

sync/engine/directory_commit_contribution_unittest.cc

 // Copyright 2014 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.
 
 #include "sync/engine/directory_commit_contribution.h"
 
 #include "base/message_loop/message_loop.h"
 #include "sync/internal_api/public/base/attachment_id_proto.h"
 #include "sync/sessions/status_controller.h"
 #include "sync/syncable/entry.h"
@@ skipping 332 matching lines @@
   const sync_pb::CommitMessage& commit_message = message.commit();
   pref_cc->CleanUp();
 
   ASSERT_EQ(1, commit_message.entries_size());
   EXPECT_FALSE(commit_message.entries(0).has_parent_id_string());
   EXPECT_TRUE(commit_message.entries(0).parent_id_string().empty());
 }
 
 void AddAttachment(sync_pb::AttachmentMetadata* metadata, bool is_on_server) {
   sync_pb::AttachmentMetadataRecord record;
-  *record.mutable_id() = CreateAttachmentIdProto();
+  *record.mutable_id() = CreateAttachmentIdProto(0, 0);
   record.set_is_on_server(is_on_server);
   *metadata->add_record() = record;
 }
 
 // Creates some unsynced items, pretends to commit them, and hands back a
 // specially crafted response to the syncer in order to test commit response
 // processing.  The response simulates a succesful commit scenario.
 TEST_F(DirectoryCommitContributionTest, ProcessCommitResponse) {
   int64 pref1_handle;
   int64 pref2_handle;
@@ skipping 129 matching lines @@
     syncable::Entry a3(&trans, syncable::GET_BY_HANDLE, art3_handle);
     EXPECT_FALSE(a3.GetId().ServerKnows());
     EXPECT_FALSE(a3.GetSyncing());
     EXPECT_EQ(0, a3.GetServerVersion());
   }
 
   art_cc->CleanUp();
 }
 
 }  // namespace syncer