[WIP] Add Chromium-side support for the Screen Orientation API

content/renderer/render_view_impl.h

Index: content/renderer/render_view_impl.h
diff --git a/content/renderer/render_view_impl.h b/content/renderer/render_view_impl.h
index 7333424986dd28165b718d561d718dc700e03629..85348395ae3325f81353df8f9439c0fe704c2f89 100644
--- a/content/renderer/render_view_impl.h
+++ b/content/renderer/render_view_impl.h
@@ -159,6 +159,7 @@ class RenderViewTest;
 class RendererAccessibility;
 class RendererDateTimePicker;
 class RendererWebColorChooserImpl;
+class ScreenOrientationDispatcher;
 class SpeechRecognitionDispatcher;
 class WebPluginDelegateProxy;
 struct DropData;
@@ -496,6 +497,7 @@ class CONTENT_EXPORT RenderViewImpl
   virtual void didUpdateInspectorSetting(const blink::WebString& key,
                                          const blink::WebString& value);
   virtual blink::WebGeolocationClient* geolocationClient();
+  virtual blink::WebScreenOrientationClient* screenOrientationClient() OVERRIDE;
   virtual blink::WebSpeechInputController* speechInputController(
       blink::WebSpeechInputListener* listener);
   virtual blink::WebSpeechRecognizer* speechRecognizer();
@@ -1354,6 +1356,8 @@ class CONTENT_EXPORT RenderViewImpl
   // Mouse Lock dispatcher attached to this view.
   MouseLockDispatcher* mouse_lock_dispatcher_;
 
+  ScreenOrientationDispatcher* screen_orientation_dispatcher_;
+
 #if defined(OS_ANDROID)
   // Android Specific ---------------------------------------------------------