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

chrome/browser/sync/glue/session_change_processor.h

Index: chrome/browser/sync/glue/session_change_processor.h
diff --git a/chrome/browser/sync/glue/session_change_processor.h b/chrome/browser/sync/glue/session_change_processor.h
index 35010ef0e28ede0058b6395f7bd0f92358e145e7..120bc110249d3536a1609d89ff84498a8e082734 100644
--- a/chrome/browser/sync/glue/session_change_processor.h
+++ b/chrome/browser/sync/glue/session_change_processor.h
@@ -7,10 +7,10 @@
 #pragma once
 
 #include "base/basictypes.h"
+#include "base/compiler_specific.h"
 #include "chrome/browser/sessions/session_backend.h"
 #include "chrome/browser/sessions/session_service.h"
 #include "chrome/browser/sync/glue/change_processor.h"
-#include "chrome/browser/sync/internal_api/sync_manager.h"
 #include "content/common/content_notification_types.h"
 #include "content/common/notification_observer.h"
 #include "content/common/notification_registrar.h"
@@ -45,19 +45,19 @@ class SessionChangeProcessor : public ChangeProcessor,
   // BrowserSessionProvider -> sync_api model change application.
   virtual void Observe(int type,
                        const NotificationSource& source,
-                       const NotificationDetails& details);
+                       const NotificationDetails& details) OVERRIDE;
 
   // ChangeProcessor implementation.
   // sync_api model -> BrowserSessionProvider change application.
   virtual void ApplyChangesFromSyncModel(
       const sync_api::BaseTransaction* trans,
-      const sync_api::SyncManager::ChangeRecord* changes,
-      int change_count);
+      const sync_api::ImmutableChangeRecordList& changes) OVERRIDE;
 
  protected:
   // ChangeProcessor implementation.
-  virtual void StartImpl(Profile* profile);
-  virtual void StopImpl();
+  virtual void StartImpl(Profile* profile) OVERRIDE;
+  virtual void StopImpl() OVERRIDE;
+
  private:
   void StartObserving();
   void StopObserving();