Media Remoting: Add RemotingController.

third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp

Index: third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
diff --git a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
index 0458a9a1af3b01654613c797a7ea4453ea2eae10..c8e5a00b44befc389c74c0631fb91b561f3e0595 100644
--- a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
+++ b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
@@ -785,9 +785,17 @@ std::unique_ptr<WebMediaPlayer> FrameLoaderClientImpl::createWebMediaPlayer(
   HTMLMediaElementEncryptedMedia& encryptedMedia =
       HTMLMediaElementEncryptedMedia::from(htmlMediaElement);
   WebString sinkId(HTMLMediaElementAudioOutputDevice::sinkId(htmlMediaElement));
-  return wrapUnique(webFrame->client()->createMediaPlayer(
-      source, client, &encryptedMedia, encryptedMedia.contentDecryptionModule(),
-      sinkId));
+  std::unique_ptr<WebMediaPlayer> mediaPlayer =
+      wrapUnique(webFrame->client()->createMediaPlayer(
+          source, client, &encryptedMedia,
+          encryptedMedia.contentDecryptionModule(), sinkId));
+
+  Element* fullscreenElement =
+      Fullscreen::currentFullScreenElementFrom(htmlMediaElement.document());
+  if (fullscreenElement->contains(&htmlMediaElement))

[esprehn, 2016/10/08 03:33:04]

This doesn't understand shadow dom, also what if the full screen element is in
another frame?

You'd need isShadowIncludingInclusiveAncestorOf to handle Shadow DOM correctly.

[xjz, 2016/10/10 19:31:02]

Removed this from this CL. As commented, will open a new CL for all full screen
related changes, and will address this there.

+    mediaPlayer->ancestorEnteredFullscreen();
+
+  return mediaPlayer;
 }
 
 ObjectContentType FrameLoaderClientImpl::getObjectContentType(