WIP - WebMediaPlayer switch media renderer.

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 377391d8c5a09604b0e289f2772a98a8d1cd89ec..ce613110b1e1ce8143462a75879a68674e9b0401 100644
--- a/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
+++ b/third_party/WebKit/Source/web/FrameLoaderClientImpl.cpp
@@ -793,9 +793,17 @@ std::unique_ptr<WebMediaPlayer> FrameLoaderClientImpl::createWebMediaPlayer(
 
     HTMLMediaElementEncryptedMedia& encryptedMedia = HTMLMediaElementEncryptedMedia::from(htmlMediaElement);
     WebString sinkId(HTMLMediaElementAudioOutputDevice::sinkId(htmlMediaElement));
-    return wrapUnique(webFrame->client()->createMediaPlayer(source,
+    std::unique_ptr<WebMediaPlayer> mediaPlayer = wrapUnique(webFrame->client()->createMediaPlayer(source,
         client, &encryptedMedia,
         encryptedMedia.contentDecryptionModule(), sinkId, webMediaSession));
+
+    // Check whether video is loaded in fullscreen or its ancestor is full screen
+    // element.
+    Element* fullscreenElement = Fullscreen::currentFullScreenElementFrom(htmlMediaElement.document());
+    if (fullscreenElement->contains(&htmlMediaElement))
+        mediaPlayer->ancestorEnteredFullscreen();
+
+    return mediaPlayer;
 }
 
 std::unique_ptr<WebMediaSession> FrameLoaderClientImpl::createWebMediaSession()