Fix an issue in fullscreen detector when context is destroyed

third_party/WebKit/Source/core/html/HTMLMediaElement.h

Index: third_party/WebKit/Source/core/html/HTMLMediaElement.h
diff --git a/third_party/WebKit/Source/core/html/HTMLMediaElement.h b/third_party/WebKit/Source/core/html/HTMLMediaElement.h
index 8d64be5b49158131525c0027547abdaced20d77e..60ba664c06d88d7c32b3a6dbc561e370138958ec 100644
--- a/third_party/WebKit/Source/core/html/HTMLMediaElement.h
+++ b/third_party/WebKit/Source/core/html/HTMLMediaElement.h
@@ -359,7 +359,7 @@ class CORE_EXPORT HTMLMediaElement
   bool isInteractiveContent() const final;
 
   // SuspendableObject functions.
-  void contextDestroyed(ExecutionContext*) final;
+  void contextDestroyed(ExecutionContext*);

[mlamouri (slow - plz ping), 2017/03/10 11:37:55]

override?

[Zhiqiang Zhang (Slow), 2017/03/10 14:57:14]

Done.

 
   virtual void updateDisplayState() {}
 
@@ -736,6 +736,7 @@ class CORE_EXPORT HTMLMediaElement
   friend class MediaControlsTest;
   friend class HTMLMediaElementTest;
   friend class HTMLMediaElementEventListenersTest;
+  friend class HTMLVideoElement;
   friend class HTMLVideoElementTest;
   friend class MediaControlsOrientationLockDelegateTest;