[Sync] Move ChangeRecord into its own file (change_record.{h,cc})

chrome/browser/sync/glue/change_processor_mock.h

Index: chrome/browser/sync/glue/change_processor_mock.h
diff --git a/chrome/browser/sync/glue/change_processor_mock.h b/chrome/browser/sync/glue/change_processor_mock.h
index 8ff861368e53f318f18ad8f8df2e03c8a9ba4cdf..2a84ab3bc835c4a6b49fc6f575fb3676b9717ad0 100644
--- a/chrome/browser/sync/glue/change_processor_mock.h
+++ b/chrome/browser/sync/glue/change_processor_mock.h
@@ -7,7 +7,6 @@
 #pragma once
 
 #include "chrome/browser/sync/glue/change_processor.h"
-#include "chrome/browser/sync/internal_api/sync_manager.h"
 #include "chrome/browser/sync/syncable/syncable.h"
 #include "chrome/browser/sync/unrecoverable_error_handler.h"
 #include "testing/gmock/include/gmock/gmock.h"
@@ -19,11 +18,11 @@ class ChangeProcessorMock
  public:
   ChangeProcessorMock();
   virtual ~ChangeProcessorMock();
-  MOCK_METHOD3(ApplyChangesFromSyncModel,
-               void(const sync_api::BaseTransaction* trans,
-                    const sync_api::SyncManager::ChangeRecord* changes,
-                    int change_count));
-  MOCK_METHOD1(StartImpl, void(Profile* profile));
+  MOCK_METHOD2(ApplyChangesFromSyncModel,
+               void(const sync_api::BaseTransaction*,
+                    const sync_api::ImmutableChangeRecordList&));
+  MOCK_METHOD0(CommitChangesFromSyncModel, void());
+  MOCK_METHOD1(StartImpl, void(Profile*));
   MOCK_METHOD0(StopImpl, void());
   MOCK_CONST_METHOD0(IsRunning, bool());
   MOCK_METHOD2(OnUnrecoverableError, void(const tracked_objects::Location&,