Disable auto-fullscreen for downloaded video

third_party/WebKit/Source/core/html/MediaDocument.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 118 matching lines @@
   }
 
  private:
   MediaLoadedEventListener() : EventListener(CPPEventListenerType) {}
 
   void handleEvent(ExecutionContext* context, Event* event) override {
     HTMLVideoElement* media =
         static_cast<HTMLVideoElement*>(event->target()->toNode());
     UserGestureIndicator gesture(
         DocumentUserGestureToken::create(&media->document()));
-    media->webkitEnterFullscreen();
+    // TODO(shaktisahu): Enable fullscreen after crbug/698353 is fixed.
+    // media->webkitEnterFullscreen();

[mlamouri (slow - plz ping), 2017/03/10 15:46:51]

No need to leave the code commented, the TODO should be enough.
nit: I would add https:// in front of crbug to make it clickable for anyone who
has their editor set up for this.

     media->play();
   }
 };
 
 void MediaDocumentParser::createDocumentStructure() {
   DCHECK(document());
   HTMLHtmlElement* rootElement = HTMLHtmlElement::create(*document());
   document()->appendChild(rootElement);
   rootElement->insertedByParser();
 
@@ skipping 142 matching lines @@
     if (keyboardEvent->key() == " " ||
         keyboardEvent->keyCode() == VKEY_MEDIA_PLAY_PAUSE) {
       // space or media key (play/pause)
       video->togglePlayState();
       event->setDefaultHandled();
     }
   }
 }
 
 }  // namespace blink