Don't invoke load algorithm when a media element is moved into a new document.

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

Index: third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
index 20356848272833e76ea1b62a678b52ab3487c72d..20e5310cc7cbd444b2c1af637290f46280ad88b8 100644
--- a/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLMediaElement.cpp
@@ -545,8 +545,8 @@ void HTMLMediaElement::didMoveToNewDocument(Document& oldDocument) {
   // set.  A proper fix would provide a mechanism to allow this object to
   // refresh the MediaPlayer's LocalFrame and FrameLoader references on document
   // changes so that playback can be resumed properly.
-  m_ignorePreloadNone = false;
-  invokeLoadAlgorithm();
+  // m_ignorePreloadNone = false;
+  // invokeLoadAlgorithm();
 
   // Decrement the load event delay count on oldDocument now that
   // m_webMediaPlayer has been destroyed and there is no risk of dispatching a