Gamepad: add test support for page visibility behavior

content/renderer/render_thread_impl.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/renderer/render_thread_impl.h"
 
 #include <algorithm>
 #include <limits>
 #include <map>
 #include <vector>
@@ skipping 387 matching lines @@
   audio_message_filter_ = new AudioMessageFilter(GetIOMessageLoopProxy());
   AddFilter(audio_message_filter_.get());
 
   midi_message_filter_ = new MidiMessageFilter(GetIOMessageLoopProxy());
   AddFilter(midi_message_filter_.get());
 
   AddFilter((new IndexedDBMessageFilter(thread_safe_sender()))->GetFilter());
 
   AddFilter((new EmbeddedWorkerContextMessageFilter())->GetFilter());
 
-  gamepad_shared_memory_reader_.reset(new GamepadSharedMemoryReader());
-  AddObserver(gamepad_shared_memory_reader_.get());
-
   GetContentClient()->renderer()->RenderThreadStarted();
 
   InitSkiaEventTracer();
 
   const CommandLine& command_line = *CommandLine::ForCurrentProcess();
   if (command_line.HasSwitch(cc::switches::kEnableGpuBenchmarking))
       RegisterExtension(GpuBenchmarkingExtension::Get());
 
   is_impl_side_painting_enabled_ =
       command_line.HasSwitch(switches::kEnableImplSidePainting);
@@ skipping 364 matching lines @@
   scoped_refptr<base::MessageLoopProxy> output_surface_loop;
   if (enable)
     output_surface_loop = compositor_message_loop_proxy_;
   else
     output_surface_loop = base::MessageLoopProxy::current();
 
   compositor_output_surface_filter_ =
       CompositorOutputSurface::CreateFilter(output_surface_loop.get());
   AddFilter(compositor_output_surface_filter_.get());
 
+  gamepad_shared_memory_reader_.reset(
+      new GamepadSharedMemoryReader(webkit_platform_support_.get()));
+  AddObserver(gamepad_shared_memory_reader_.get());
+
   RenderThreadImpl::RegisterSchemes();
 
   EnableBlinkPlatformLogChannels(
       command_line.GetSwitchValueASCII(switches::kBlinkPlatformLogChannels));
 
   SetRuntimeFeaturesDefaultsAndUpdateFromArgs(command_line);
 
   if (!media::IsMediaLibraryInitialized()) {
     WebRuntimeFeatures::enableMediaPlayer(false);
     WebRuntimeFeatures::enableWebAudio(false);
@@ skipping 714 matching lines @@
   hidden_widget_count_--;
 
   if (!GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     return;
   }
 
   ScheduleIdleHandler(kLongIdleHandlerDelayMs);
 }
 
 }  // namespace content