Revert r286729

content/child/child_thread.h

 // Copyright (c) 2012 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_CHILD_THREAD_H_
 #define CONTENT_CHILD_CHILD_THREAD_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 22 matching lines @@
 
 namespace blink {
 class WebFrame;
 }  // namespace blink
 
 namespace content {
 class ChildHistogramMessageFilter;
 class ChildResourceMessageFilter;
 class ChildSharedBitmapManager;
 class FileSystemDispatcher;
-class ProcessBackgroundMessageFilter;
 class ServiceWorkerMessageFilter;
 class QuotaDispatcher;
 class QuotaMessageFilter;
 class ResourceDispatcher;
 class SocketStreamDispatcher;
 class ThreadSafeSender;
 class WebSocketDispatcher;
 struct RequestInfo;
 
 // The main thread of a child process derives from this class.
@@ skipping 130 matching lines @@
   };
 
   void Init(const Options& options);
   scoped_ptr<IPC::SyncChannel> CreateChannel(bool use_mojo_channel);
 
   // IPC message handlers.
   void OnShutdown();
   void OnSetProfilerStatus(tracked_objects::ThreadData::Status status);
   void OnGetChildProfilerData(int sequence_number);
   void OnDumpHandles();
+  void OnProcessBackgrounded(bool background);
 #ifdef IPC_MESSAGE_LOG_ENABLED
   void OnSetIPCLoggingEnabled(bool enable);
 #endif
 #if defined(USE_TCMALLOC)
   void OnGetTcmallocStats();
 #endif
 
   void EnsureConnected();
 
   scoped_ptr<MojoApplication> mojo_application_;
@@ skipping 28 matching lines @@
   scoped_ptr<QuotaDispatcher> quota_dispatcher_;
 
   scoped_refptr<ChildHistogramMessageFilter> histogram_message_filter_;
 
   scoped_refptr<ChildResourceMessageFilter> resource_message_filter_;
 
   scoped_refptr<ServiceWorkerMessageFilter> service_worker_message_filter_;
 
   scoped_refptr<QuotaMessageFilter> quota_message_filter_;
 
-  scoped_refptr<ProcessBackgroundMessageFilter>
-      process_background_message_filter_;
-
   scoped_ptr<ChildSharedBitmapManager> shared_bitmap_manager_;
 
   base::WeakPtrFactory<ChildThread> channel_connected_factory_;
 
   // Observes the trace event system. When tracing is enabled, optionally
   // starts profiling the tcmalloc heap.
   scoped_ptr<base::debug::TraceMemoryController> trace_memory_controller_;
 
   scoped_ptr<base::PowerMonitor> power_monitor_;
 
   bool in_browser_process_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildThread);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_CHILD_CHILD_THREAD_H_