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 858b47ac3fcf904668c8797fc5d24b541e5e6fc5..4f6361b01b3853d8f03de67340e43b253b504aa2 100644
--- a/third_party/WebKit/Source/core/html/HTMLImageElement.cpp
+++ b/third_party/WebKit/Source/core/html/HTMLImageElement.cpp
@@ -700,16 +700,10 @@ 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),
+    !(!cachedImage()->image()->currentFrameHasSingleSecurityOrigin()
+    || (!cachedImage()->passesAccessControlCheck(document->securityOrigin()) && document->securityOrigin()->taintsCanvas(src())))));
 }
 
 void HTMLImageElement::selectSourceURL(ImageLoader::UpdateFromElementBehavior behavior)