[Sync] Make SyncBackendHost::Core use a WeakHandle to its host

chrome/browser/sync/test_profile_sync_service.h

 // Copyright (c) 2011 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.
 
 #ifndef CHROME_BROWSER_SYNC_TEST_PROFILE_SYNC_SERVICE_H_
 #define CHROME_BROWSER_SYNC_TEST_PROFILE_SYNC_SERVICE_H_
 #pragma once
 
 #include <string>
 
@@ skipping 27 matching lines @@
       bool synchronous_init,
       bool fail_initial_download);
   virtual ~SyncBackendHostForProfileSyncTest();
 
   MOCK_METHOD1(RequestNudge, void(const tracked_objects::Location&));
 
   // Called when a nudge comes in.
   void SimulateSyncCycleCompletedInitialSyncEnded(
       const tracked_objects::Location&);
 
-  virtual sync_api::HttpPostProviderFactory* MakeHttpBridgeFactory(
-      const scoped_refptr<net::URLRequestContextGetter>& getter) OVERRIDE;
-
   virtual void StartConfiguration(const base::Closure& callback) OVERRIDE;
 
   static void SetDefaultExpectationsForWorkerCreation(ProfileMock* profile);
 
   static void SetHistoryServiceExpectations(ProfileMock* profile);
 
  protected:
-  virtual void InitCore(const Core::DoInitializeOptions& options) OVERRIDE;
+  virtual void InitCore(const DoInitializeOptions& options) OVERRIDE;
 
  private:
   bool synchronous_init_;
   bool fail_initial_download_;
 };
 
 }  // namespace browser_sync
 
 class TestProfileSyncService : public ProfileSyncService {
  public:
@@ skipping 47 matching lines @@
 
   base::Closure callback_;
   bool set_initial_sync_ended_on_init_;
 
   bool fail_initial_download_;
 };
 
 
 
 #endif  // CHROME_BROWSER_SYNC_TEST_PROFILE_SYNC_SERVICE_H_