Check media permissions through RenderFrameHostDelegate.

content/browser/frame_host/render_frame_host_delegate.cc

Index: content/browser/frame_host/render_frame_host_delegate.cc
diff --git a/content/browser/frame_host/render_frame_host_delegate.cc b/content/browser/frame_host/render_frame_host_delegate.cc
index ea9549041cd75ef13d0507050c2d9e442436ab3d..b96f2b55cd5553d68da2d09ef931444dc92bad71 100644
--- a/content/browser/frame_host/render_frame_host_delegate.cc
+++ b/content/browser/frame_host/render_frame_host_delegate.cc
@@ -44,6 +44,14 @@ void RenderFrameHostDelegate::RequestMediaAccessPermission(
                scoped_ptr<MediaStreamUI>());
 }
 
+bool RenderFrameHostDelegate::CheckMediaAccessPermission(
+    const GURL& security_origin,
+    MediaStreamType type) {
+  DCHECK(type == MEDIA_DEVICE_AUDIO_CAPTURE ||
+         type == MEDIA_DEVICE_VIDEO_CAPTURE);
+  return false;
+}
+
 AccessibilityMode RenderFrameHostDelegate::GetAccessibilityMode() const {
   return AccessibilityModeOff;
 }