Poll for Display rotation on Android 4.0 and 4.1 when needed.

content/browser/renderer_host/render_process_host_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.
 
 // Represents the browser side of the browser <--> renderer communication
 // channel. There will be one RenderProcessHost per renderer process.
 
 #include "content/browser/renderer_host/render_process_host_impl.h"
 
 #include <algorithm>
@@ skipping 135 matching lines @@
 #include "ui/base/ui_base_switches.h"
 #include "ui/events/event_switches.h"
 #include "ui/gfx/switches.h"
 #include "ui/gl/gl_switches.h"
 #include "ui/native_theme/native_theme_switches.h"
 #include "webkit/browser/fileapi/sandbox_file_system_backend.h"
 
 #if defined(OS_ANDROID)
 #include "content/browser/media/android/browser_demuxer_android.h"
 #include "content/browser/renderer_host/compositor_impl_android.h"
+#include "content/browser/screen_orientation/screen_orientation_message_filter_android.h"
 #include "content/common/gpu/client/gpu_memory_buffer_impl_surface_texture.h"
 #endif
 
 #if defined(OS_MACOSX)
 #include "content/common/gpu/client/gpu_memory_buffer_impl_io_surface.h"
 #endif
 
 #if defined(OS_WIN)
 #include "base/strings/string_number_conversions.h"
 #include "base/win/scoped_com_initializer.h"
@@ skipping 713 matching lines @@
   AddFilter(new HistogramMessageFilter());
 #if defined(USE_TCMALLOC) && (defined(OS_LINUX) || defined(OS_ANDROID))
   if (CommandLine::ForCurrentProcess()->HasSwitch(
       switches::kEnableMemoryBenchmarking))
     AddFilter(new MemoryBenchmarkMessageFilter());
 #endif
   AddFilter(new VibrationMessageFilter());
   AddFilter(new PushMessagingMessageFilter(
       GetID(), storage_partition_impl_->GetServiceWorkerContext()));
   AddFilter(new BatteryStatusMessageFilter());
+#if defined(OS_ANDROID)
+  AddFilter(new ScreenOrientationMessageFilterAndroid());
+#endif
 }
 
 int RenderProcessHostImpl::GetNextRoutingID() {
   return widget_helper_->GetNextRoutingID();
 }
 
 
 void RenderProcessHostImpl::ResumeDeferredNavigation(
     const GlobalRequestID& request_id) {
   widget_helper_->ResumeDeferredNavigation(request_id);
@@ skipping 1463 matching lines @@
 void RenderProcessHostImpl::GpuMemoryBufferAllocated(
     IPC::Message* reply,
     const gfx::GpuMemoryBufferHandle& handle) {
   DCHECK_CURRENTLY_ON(BrowserThread::UI);
   ChildProcessHostMsg_SyncAllocateGpuMemoryBuffer::WriteReplyParams(reply,
                                                                     handle);
   Send(reply);
 }
 
 }  // namespace content