Media Remoting: Add RemotingController.

third_party/WebKit/Source/web/FullscreenController.cpp

Index: third_party/WebKit/Source/web/FullscreenController.cpp
diff --git a/third_party/WebKit/Source/web/FullscreenController.cpp b/third_party/WebKit/Source/web/FullscreenController.cpp
index cb8efeffd7bb3e843c17fa3f5debc2591e0afc5f..7a341fddc3bc803f0ee6d62fa188ce4f4145b278 100644
--- a/third_party/WebKit/Source/web/FullscreenController.cpp
+++ b/third_party/WebKit/Source/web/FullscreenController.cpp
@@ -31,6 +31,7 @@
 #include "web/FullscreenController.h"
 
 #include "core/dom/Document.h"
+#include "core/dom/ElementTraversal.h"
 #include "core/dom/Fullscreen.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/LocalFrame.h"
@@ -86,6 +87,12 @@ void FullscreenController::didEnterFullscreen() {
     if (videoElement->usesOverlayFullscreenVideo() &&
         m_webViewImpl->layerTreeView())
       m_webViewImpl->layerTreeView()->setHasTransparentBackground(true);
+  } else {
+    for (HTMLVideoElement& videoElement :
+         Traversal<HTMLVideoElement>::descendantsOf(*element)) {
+      if (videoElement.webMediaPlayer())
+        videoElement.webMediaPlayer()->ancestorEnteredFullscreen();
+    }
   }
 }
 
@@ -120,6 +127,13 @@ void FullscreenController::didExitFullscreen() {
           m_needsScrollAndScaleRestore = true;
 
         fullscreen->didExitFullscreen();
+        if (!isHTMLVideoElement(element)) {
+          for (HTMLVideoElement& videoElement :
+               Traversal<HTMLVideoElement>::descendantsOf(*element)) {
+            if (videoElement.webMediaPlayer())
+              videoElement.webMediaPlayer()->ancestorExitedFullscreen();
+          }
+        }
       }
     }
   }