Add a origin clean flag in ImageBitmap class

third_party/WebKit/Source/platform/graphics/ImageBuffer.cpp

Index: third_party/WebKit/Source/platform/graphics/ImageBuffer.cpp
diff --git a/third_party/WebKit/Source/platform/graphics/ImageBuffer.cpp b/third_party/WebKit/Source/platform/graphics/ImageBuffer.cpp
index 4f289730705f6e1ee88d339fd7753b281cae0894..3d11b4ade5703472e98a88347cafcb1e6594147f 100644
--- a/third_party/WebKit/Source/platform/graphics/ImageBuffer.cpp
+++ b/third_party/WebKit/Source/platform/graphics/ImageBuffer.cpp
@@ -160,7 +160,7 @@ PassRefPtr<Image> ImageBuffer::newImageSnapshot(AccelerationHint hint) const
     RefPtr<SkImage> snapshot = newSkImageSnapshot(hint);
     if (!snapshot)
         return nullptr;
-    return StaticBitmapImage::create(snapshot);
+    return StaticBitmapImage::create(snapshot, hasSingleSecurityOrigin() ? HasSingleSecurityOrigin : NoSingleSecurityOrigin);
 }
 
 void ImageBuffer::didDraw(const FloatRect& rect) const
@@ -170,6 +170,11 @@ void ImageBuffer::didDraw(const FloatRect& rect) const
     m_surface->didDraw(rect);
 }
 
+bool ImageBuffer::hasSingleSecurityOrigin() const
+{
+    return m_client->hasSingleSecurityOrigin();
+}
+
 WebLayer* ImageBuffer::platformLayer() const
 {
     return m_surface->layer();