Add a origin clean flag in ImageBitmap class

third_party/WebKit/Source/platform/graphics/StaticBitmapImage.h

Index: third_party/WebKit/Source/platform/graphics/StaticBitmapImage.h
diff --git a/third_party/WebKit/Source/platform/graphics/StaticBitmapImage.h b/third_party/WebKit/Source/platform/graphics/StaticBitmapImage.h
index b2e84d95fa34be8503f1ca9387829ea6fda84406..9880103424fc68105d146694e2a2da3788dfdf23 100644
--- a/third_party/WebKit/Source/platform/graphics/StaticBitmapImage.h
+++ b/third_party/WebKit/Source/platform/graphics/StaticBitmapImage.h
@@ -15,7 +15,7 @@ public:
 
     bool currentFrameIsComplete() override { return true; }
 
-    static PassRefPtr<StaticBitmapImage> create(PassRefPtr<SkImage>);
+    static PassRefPtr<StaticBitmapImage> create(PassRefPtr<SkImage>, SingleSecurityOriginType);
     virtual void destroyDecodedData(bool destroyAll) { }
     virtual bool currentFrameKnownToBeOpaque(MetadataMode = UseCurrentMetadata);
     virtual IntSize size() const;
@@ -23,10 +23,12 @@ public:
 
     PassRefPtr<SkImage> imageForCurrentFrame() override;
 
+    bool currentFrameHasSingleSecurityOrigin() const override {return m_isOriginClean;}
 protected:
-    StaticBitmapImage(PassRefPtr<SkImage>);
+    StaticBitmapImage(PassRefPtr<SkImage>, SingleSecurityOriginType);
 
     RefPtr<SkImage> m_image;
+    bool m_isOriginClean;

[Justin Novosad, 2016/01/08 19:08:43]

As discussed live, I would like this to be renamed to m_hasSingleSecurityOrigin
for clarity. Also, you should declared it to use type SingleSecurityOriginType
instead of bool.

 };
 
 } // namespace blink