[Sync] Add cookie jar mismatch logging

sync/test/fake_server/fake_server.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/test/fake_server/fake_server.h"
 
 #include <stdint.h>
 
 #include <algorithm>
 #include <limits>
@@ skipping 259 matching lines @@
              ShouldSendTriggeredError()) {
     response_proto.set_error_code(error_type_);
   } else if (triggered_actionable_error_.get() && ShouldSendTriggeredError()) {
     sync_pb::ClientToServerResponse_Error* error =
         response_proto.mutable_error();
     error->CopyFrom(*(triggered_actionable_error_.get()));
   } else {
     bool success = false;
     switch (message.message_contents()) {
       case sync_pb::ClientToServerMessage::GET_UPDATES:
+        last_getupdates_message_ = message;
         success = HandleGetUpdatesRequest(message.get_updates(),
                                           response_proto.mutable_get_updates());
         break;
       case sync_pb::ClientToServerMessage::COMMIT:
+        last_commit_message_ = message;
         success = HandleCommitRequest(message.commit(),
                                       message.invalidator_client_id(),
                                       response_proto.mutable_commit());
         break;
       case sync_pb::ClientToServerMessage::CLEAR_SERVER_DATA:
         ClearServerData();
         response_proto.mutable_clear_server_data();
         success = true;
         break;
       default:
@@ skipping 18 matching lines @@
   }
 
   response_proto.set_store_birthday(GetStoreBirthday());
 
   *error_code = 0;
   *response_code = net::HTTP_OK;
   *response = response_proto.SerializeAsString();
   completion_closure.Run();
 }
 
+bool FakeServer::GetLastCommitMessage(
+    sync_pb::ClientToServerMessage* message) {
+  if (!last_commit_message_.has_commit())
+    return false;
+
+  message->CopyFrom(last_commit_message_);
+  return true;
+}
+
+bool FakeServer::GetLastGetUpdatesMessage(
+    sync_pb::ClientToServerMessage* message) {
+  if (!last_getupdates_message_.has_get_updates())
+    return false;
+
+  message->CopyFrom(last_getupdates_message_);
+  return true;
+}
+
 bool FakeServer::HandleGetUpdatesRequest(
     const sync_pb::GetUpdatesMessage& get_updates,
     sync_pb::GetUpdatesResponse* response) {
   // TODO(pvalenzuela): Implement batching instead of sending all information
   // at once.
   response->set_changes_remaining(0);
 
   scoped_ptr<UpdateSieve> sieve = UpdateSieve::Create(get_updates);
 
   // This folder is called "Synced Bookmarks" by sync and is renamed
@@ skipping 373 matching lines @@
   DCHECK(thread_checker_.CalledOnValidThread());
   return weak_ptr_factory_.GetWeakPtr();
 }
 
 std::string FakeServer::GetStoreBirthday() const {
   DCHECK(thread_checker_.CalledOnValidThread());
   return base::Int64ToString(store_birthday_);
 }
 
 }  // namespace fake_server