Add a origin clean flag in ImageBitmap class

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

Index: third_party/WebKit/Source/core/html/HTMLImageElement.cpp
diff --git a/third_party/WebKit/Source/core/html/HTMLImageElement.cpp b/third_party/WebKit/Source/core/html/HTMLImageElement.cpp
index f1fed9601c61eea8650d6e53b48030f4e416452d..6568ae88ae5097b7810ce79817c7b751a56dedb1 100644
--- a/third_party/WebKit/Source/core/html/HTMLImageElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLImageElement.cpp
@@ -699,16 +699,7 @@ ScriptPromise HTMLImageElement::createImageBitmap(ScriptState* scriptState, Even
         exceptionState.throwDOMException(IndexSizeError, String::format("The source %s provided is 0.", sw ? "height" : "width"));
         return ScriptPromise();
     }
-    if (!cachedImage()->image()->currentFrameHasSingleSecurityOrigin()) {
-        exceptionState.throwSecurityError("The source image contains image data from multiple origins.");
-        return ScriptPromise();
-    }
-    Document* document = eventTarget.toDOMWindow()->document();
-    if (!cachedImage()->passesAccessControlCheck(document->securityOrigin()) && document->securityOrigin()->taintsCanvas(src())) {
-        exceptionState.throwSecurityError("Cross-origin access to the source image 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), eventTarget.toDOMWindow()->document()));
 }
 
 void HTMLImageElement::selectSourceURL(ImageLoader::UpdateFromElementBehavior behavior)