Use mojo to connect to BackgroundSyncManager object

content/child/blink_platform_impl.h

 // 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.
 
 #ifndef CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_
 #define CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_
 
 #include "base/compiler_specific.h"
 #include "base/containers/scoped_ptr_hash_map.h"
 #include "base/threading/thread_local_storage.h"
@@ skipping 15 matching lines @@
 #include "content/child/webthemeengine_impl_mac.h"
 #elif defined(OS_ANDROID)
 #include "content/child/webthemeengine_impl_android.h"
 #endif
 
 namespace base {
 class MessageLoop;
 }
 
 namespace content {
-class BackgroundSyncProvider;
 class FlingCurveConfiguration;
 class NotificationDispatcher;
 class PermissionDispatcher;
 class PushDispatcher;
 class ThreadSafeSender;
 class WebCryptoImpl;
 class WebGeofencingProviderImpl;
 class WebMemoryDumpProviderAdapter;
 
 class CONTENT_EXPORT BlinkPlatformImpl
@@ skipping 149 matching lines @@
   webcrypto::WebCryptoImpl web_crypto_;
   scoped_ptr<WebGeofencingProviderImpl> geofencing_provider_;
   base::ScopedPtrHashMap<blink::WebMemoryDumpProvider*,
                          scoped_ptr<WebMemoryDumpProviderAdapter>>
       memory_dump_providers_;
 
   scoped_refptr<ThreadSafeSender> thread_safe_sender_;
   scoped_refptr<NotificationDispatcher> notification_dispatcher_;
   scoped_refptr<PushDispatcher> push_dispatcher_;
   scoped_ptr<PermissionDispatcher> permission_client_;
-  scoped_ptr<BackgroundSyncProvider> sync_provider_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_BLINK_PLATFORM_IMPL_H_