Created multi-process-friendly PowerMonitor interface.

content/browser/gpu/gpu_process_host_ui_shim.cc

 // 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.
 
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 
 #include <algorithm>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 85 matching lines @@
 }
 
 }  // namespace
 
 void RouteToGpuProcessHostUIShimTask(int host_id, const IPC::Message& msg) {
   GpuProcessHostUIShim* ui_shim = GpuProcessHostUIShim::FromID(host_id);
   if (ui_shim)
     ui_shim->OnMessageReceived(msg);
 }
 
-GpuProcessHostUIShim::GpuProcessHostUIShim(int host_id)
+GpuProcessHostUIShim::GpuProcessHostUIShim(int host_id, bool single_process)
     : host_id_(host_id) {
   g_hosts_by_id.Pointer()->AddWithID(this, host_id_);
+  if (!single_process)
+    power_monitor_broadcaster_.reset(new PowerMonitorMessageBroadcaster(this));
 }
 
 // static
-GpuProcessHostUIShim* GpuProcessHostUIShim::Create(int host_id) {
+GpuProcessHostUIShim* GpuProcessHostUIShim::Create(int host_id,
+    bool single_process) {
   DCHECK(!FromID(host_id));
-  return new GpuProcessHostUIShim(host_id);
+  return new GpuProcessHostUIShim(host_id, single_process);
 }
 
 // static
 void GpuProcessHostUIShim::Destroy(int host_id, const std::string& message) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
   GpuDataManagerImpl::GetInstance()->AddLogMessage(
       logging::LOG_ERROR, "GpuProcessHostUIShim",
       message);
 
@@ skipping 268 matching lines @@
   view->AcceleratedSurfaceRelease();
 }
 
 void GpuProcessHostUIShim::OnVideoMemoryUsageStatsReceived(
     const GPUVideoMemoryUsageStats& video_memory_usage_stats) {
   GpuDataManagerImpl::GetInstance()->UpdateVideoMemoryUsageStats(
       video_memory_usage_stats);
 }
 
 }  // namespace content