Created multi-process-friendly PowerMonitor interface.

content/browser/gpu/gpu_process_host_ui_shim.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_BROWSER_GPU_GPU_PROCESS_HOST_UI_SHIM_H_
 #define CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_UI_SHIM_H_
 
 // This class lives on the UI thread and supports classes like the
 // BackingStoreProxy, which must live on the UI thread. The IO thread
 // portion of this class, the GpuProcessHost, is responsible for
 // shuttling messages between the browser and GPU processes.
 
 #include <string>
 
 #include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/memory/linked_ptr.h"
 #include "base/memory/ref_counted.h"
+#include "base/memory/scoped_ptr.h"
 #include "base/threading/non_thread_safe.h"
 #include "content/common/content_export.h"
 #include "content/common/message_router.h"
+#include "content/common/power_monitor_message_broadcaster.h"
 #include "content/public/common/gpu_memory_stats.h"
 #include "gpu/config/gpu_info.h"
 #include "ipc/ipc_listener.h"
 #include "ipc/ipc_sender.h"
 
 struct GpuHostMsg_AcceleratedSurfaceBuffersSwapped_Params;
 struct GpuHostMsg_AcceleratedSurfacePostSubBuffer_Params;
 struct GpuHostMsg_AcceleratedSurfaceRelease_Params;
 
 namespace ui {
@@ skipping 10 matching lines @@
 
 namespace content {
 void RouteToGpuProcessHostUIShimTask(int host_id, const IPC::Message& msg);
 
 class GpuProcessHostUIShim : public IPC::Listener,
                              public IPC::Sender,
                              public base::NonThreadSafe {
  public:
   // Create a GpuProcessHostUIShim with the given ID.  The object can be found
   // using FromID with the same id.
-  static GpuProcessHostUIShim* Create(int host_id);
+  static GpuProcessHostUIShim* Create(int host_id, bool single_process);
 
   // Destroy the GpuProcessHostUIShim with the given host ID. This can only
   // be called on the UI thread. Only the GpuProcessHost should destroy the
   // UI shim.
   static void Destroy(int host_id, const std::string& message);
 
   // Destroy all remaining GpuProcessHostUIShims.
   CONTENT_EXPORT static void DestroyAll();
 
   CONTENT_EXPORT static GpuProcessHostUIShim* FromID(int host_id);
 
   // Get a GpuProcessHostUIShim instance; it doesn't matter which one.
   // Return NULL if none has been created.
   CONTENT_EXPORT static GpuProcessHostUIShim* GetOneInstance();
 
   // IPC::Sender implementation.
   virtual bool Send(IPC::Message* msg) OVERRIDE;
 
   // IPC::Listener implementation.
   // The GpuProcessHost causes this to be called on the UI thread to
   // dispatch the incoming messages from the GPU process, which are
   // actually received on the IO thread.
   virtual bool OnMessageReceived(const IPC::Message& message) OVERRIDE;
 
   CONTENT_EXPORT void SimulateRemoveAllContext();
   CONTENT_EXPORT void SimulateCrash();
   CONTENT_EXPORT void SimulateHang();
 
  private:
-  explicit GpuProcessHostUIShim(int host_id);
+  explicit GpuProcessHostUIShim(int host_id, bool single_process);

[piman, 2013/07/15 20:51:30]

nit: no need for explicit any more.

   virtual ~GpuProcessHostUIShim();
 
   // Message handlers.
   bool OnControlMessageReceived(const IPC::Message& message);
 
   void OnLogMessage(int level, const std::string& header,
       const std::string& message);
 #if defined(TOOLKIT_GTK) || defined(OS_WIN)
   void OnResizeView(int32 surface_id,
                     int32 route_id,
@@ skipping 11 matching lines @@
       const GpuHostMsg_AcceleratedSurfaceRelease_Params& params);
   void OnVideoMemoryUsageStatsReceived(
       const GPUVideoMemoryUsageStats& video_memory_usage_stats);
   void OnUpdateVSyncParameters(int surface_id,
                                base::TimeTicks timebase,
                                base::TimeDelta interval);
   void OnFrameDrawn(const ui::LatencyInfo& latency_info);
 
   // The serial number of the GpuProcessHost / GpuProcessHostUIShim pair.
   int host_id_;
+
+  scoped_ptr<PowerMonitorMessageBroadcaster> power_monitor_broadcaster_;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_GPU_GPU_PROCESS_HOST_UI_SHIM_H_