Add a origin clean flag in ImageBitmap class

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

 /*
  * Copyright (C) 2007, 2008, 2009, 2010 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 323 matching lines @@
         return ScriptPromise();
     }
     if (readyState() <= HTMLMediaElement::HAVE_METADATA) {
         exceptionState.throwDOMException(InvalidStateError, "The provided element's player has no current data.");
         return ScriptPromise();
     }
     if (!sw || !sh) {
         exceptionState.throwDOMException(IndexSizeError, String::format("The source %s provided is 0.", sw ? "height" : "width"));
         return ScriptPromise();
     }
-    if (!hasSingleSecurityOrigin()) {
-        exceptionState.throwSecurityError("The source video contains image data from multiple origins.");
-        return ScriptPromise();
-    }
-    if (!webMediaPlayer()->didPassCORSAccessCheck()
-        && eventTarget.toDOMWindow()->document()->securityOrigin()->taintsCanvas(currentSrc())) {
-        exceptionState.throwSecurityError("Cross-origin access to the source video is denied.");
-        return ScriptPromise();
-    }
-    return ImageBitmapSource::fulfillImageBitmap(scriptState, ImageBitmap::create(this, IntRect(sx, sy, sw, sh)));
+    return ImageBitmapSource::fulfillImageBitmap(scriptState, ImageBitmap::create(this, IntRect(sx, sy, sw, sh),
+    !(!hasSingleSecurityOrigin()
+    || (!webMediaPlayer()->didPassCORSAccessCheck()
+    && eventTarget.toDOMWindow()->document()->securityOrigin()->taintsCanvas(currentSrc())))));
 }
 
 } // namespace blink