Chromium plumbing for Device Orientation.

chrome/renderer/render_view.cc

Index: chrome/renderer/render_view.cc
diff --git a/chrome/renderer/render_view.cc b/chrome/renderer/render_view.cc
index 517cc3b3637033c7de0c40f50d446f05557521a5..fbc73ed6bf94c7010c46c1ca98868af0925ed4d7 100644
--- a/chrome/renderer/render_view.cc
+++ b/chrome/renderer/render_view.cc
@@ -43,6 +43,7 @@
 #include "chrome/renderer/about_handler.h"
 #include "chrome/renderer/audio_message_filter.h"
 #include "chrome/renderer/blocked_plugin.h"
+#include "chrome/renderer/device_orientation_dispatcher.h"
 #include "chrome/renderer/devtools_agent.h"
 #include "chrome/renderer/devtools_client.h"
 #include "chrome/renderer/extension_groups.h"
@@ -654,6 +655,10 @@ void RenderView::OnMessageReceived(const IPC::Message& message) {
       speech_input_dispatcher_->OnMessageReceived(message)) {
     return;
   }
+  if (device_orientation_dispatcher_.get() &&
+      device_orientation_dispatcher_->OnMessageReceived(message)) {
+    return;
+  }
 
   IPC_BEGIN_MESSAGE_MAP(RenderView, message)
     IPC_MESSAGE_HANDLER(ViewMsg_CaptureThumbnail, OnCaptureThumbnail)
@@ -5400,6 +5405,12 @@ WebKit::WebSpeechInputController* RenderView::speechInputController(
   return speech_input_dispatcher_.get();
 }
 
+WebKit::WebDeviceOrientationClient* RenderView::deviceOrientationClient() {
+  if (!device_orientation_dispatcher_.get())
+    device_orientation_dispatcher_.reset(new DeviceOrientationDispatcher(this));
+  return device_orientation_dispatcher_.get();
+}
+
 bool RenderView::IsNonLocalTopLevelNavigation(
     const GURL& url, WebKit::WebFrame* frame, WebKit::WebNavigationType type) {
   // Must be a top level frame.