Adding Chrome-side WebVR interface

content/renderer/render_frame_impl.h

Index: content/renderer/render_frame_impl.h
diff --git a/content/renderer/render_frame_impl.h b/content/renderer/render_frame_impl.h
index bd8bf95d1c3b3f842ff5366211056ef501396414..bbbf4aadd68a0c62015aa753aa37986ca2b5fb54 100644
--- a/content/renderer/render_frame_impl.h
+++ b/content/renderer/render_frame_impl.h
@@ -112,6 +112,7 @@ struct RequestNavigationParams;
 struct ResourceResponseHead;
 struct StartNavigationParams;
 struct StreamOverrideParameters;
+class VRDispatcher;
 
 class CONTENT_EXPORT RenderFrameImpl
     : public RenderFrame,
@@ -532,6 +533,10 @@ class CONTENT_EXPORT RenderFrameImpl
   virtual blink::WebPermissionClient* permissionClient();
   virtual blink::WebAppBannerClient* appBannerClient();
 
+#if defined(ENABLE_WEBVR)
+  blink::WebVRClient* webVRClient() override;
+#endif
+
   // WebMediaPlayerDelegate implementation:
   void DidPlay(blink::WebMediaPlayer* player) override;
   void DidPause(blink::WebMediaPlayer* player) override;
@@ -970,6 +975,11 @@ class CONTENT_EXPORT RenderFrameImpl
 
   scoped_ptr<blink::WebAppBannerClient> app_banner_client_;
 
+#if defined(ENABLE_WEBVR)
+  // The VR dispatcher attached to the frame, lazily initialized.
+  scoped_ptr<VRDispatcher> vr_dispatcher_;
+#endif
+
 #if defined(OS_MACOSX) || defined(OS_ANDROID)
   // The external popup for the currently showing select popup.
   scoped_ptr<ExternalPopupMenu> external_popup_menu_;