Adding Chrome-side WebVR interface

content/renderer/render_frame_impl.cc

Index: content/renderer/render_frame_impl.cc
diff --git a/content/renderer/render_frame_impl.cc b/content/renderer/render_frame_impl.cc
index 36ed29a02c0033e96084d666aac89411a4a342b0..42422e97cd78a41cd9e2025a7cf41efcb2f5a0a0 100644
--- a/content/renderer/render_frame_impl.cc
+++ b/content/renderer/render_frame_impl.cc
@@ -186,6 +186,10 @@
 #include "media/renderers/default_renderer_factory.h"
 #endif
 
+#if defined(ENABLE_WEBVR)
+#include "content/renderer/vr/vr_dispatcher.h"
+#endif
+
 using blink::WebContextMenuData;
 using blink::WebData;
 using blink::WebDataSource;
@@ -3738,6 +3742,15 @@ blink::WebAppBannerClient* RenderFrameImpl::appBannerClient() {
   return app_banner_client_.get();
 }
 
+#if defined(ENABLE_WEBVR)
+blink::WebVRClient* RenderFrameImpl::webVRClient() {
+  if (!vr_dispatcher_)
+    vr_dispatcher_.reset(new VRDispatcher(GetServiceRegistry()));
+
+  return vr_dispatcher_.get();
+}
+#endif
+
 void RenderFrameImpl::DidPlay(blink::WebMediaPlayer* player) {
   Send(new FrameHostMsg_MediaPlayingNotification(
       routing_id_, reinterpret_cast<int64>(player), player->hasVideo(),