Add a origin clean flag in ImageBitmap class

third_party/WebKit/Source/core/frame/ImageBitmap.h

Index: third_party/WebKit/Source/core/frame/ImageBitmap.h
diff --git a/third_party/WebKit/Source/core/frame/ImageBitmap.h b/third_party/WebKit/Source/core/frame/ImageBitmap.h
index 59fbf3362f5c6d1b4df2c660b749340cbd4c4b32..6af36c0f89f7d43139fae14a0fa80d6f1f404d1a 100644
--- a/third_party/WebKit/Source/core/frame/ImageBitmap.h
+++ b/third_party/WebKit/Source/core/frame/ImageBitmap.h
@@ -28,13 +28,13 @@ class CORE_EXPORT ImageBitmap final : public RefCountedWillBeGarbageCollectedFin
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(ImageBitmap);
 public:
-    static PassRefPtrWillBeRawPtr<ImageBitmap> create(HTMLImageElement*, const IntRect&);
-    static PassRefPtrWillBeRawPtr<ImageBitmap> create(HTMLVideoElement*, const IntRect&);
+    static PassRefPtrWillBeRawPtr<ImageBitmap> create(HTMLImageElement*, const IntRect&, Document*);
+    static PassRefPtrWillBeRawPtr<ImageBitmap> create(HTMLVideoElement*, const IntRect&, Document*);
     static PassRefPtrWillBeRawPtr<ImageBitmap> create(HTMLCanvasElement*, const IntRect&);
     static PassRefPtrWillBeRawPtr<ImageBitmap> create(ImageData*, const IntRect&);
     static PassRefPtrWillBeRawPtr<ImageBitmap> create(ImageBitmap*, const IntRect&);
-    static PassRefPtrWillBeRawPtr<ImageBitmap> create(Image*, const IntRect&);
     static PassRefPtrWillBeRawPtr<ImageBitmap> create(PassRefPtr<StaticBitmapImage>);
+    static PassRefPtrWillBeRawPtr<ImageBitmap> create(PassRefPtr<StaticBitmapImage>, const IntRect&);
 
     StaticBitmapImage* bitmapImage() const { return (m_image) ? m_image.get() : nullptr; }
     unsigned long width() const;
@@ -42,13 +42,14 @@ public:
     IntSize size() const;
 
     bool isNeutered() const { return m_isNeutered; }
+    bool originClean() const { return m_image->originClean(); }
     PassRefPtr<StaticBitmapImage> transfer();
 
     ~ImageBitmap() override;
 
     // CanvasImageSource implementation
     PassRefPtr<Image> getSourceImageForCanvas(SourceImageStatus*, AccelerationHint) const override;
-    bool wouldTaintOrigin(SecurityOrigin*) const override { return false; }
+    bool wouldTaintOrigin(SecurityOrigin*) const override { return !m_image->originClean(); }
     void adjustDrawRects(FloatRect* srcRect, FloatRect* dstRect) const override;
     FloatSize elementSize() const override;
 
@@ -59,13 +60,13 @@ public:
     DECLARE_VIRTUAL_TRACE();
 
 private:
-    ImageBitmap(HTMLImageElement*, const IntRect&);
-    ImageBitmap(HTMLVideoElement*, const IntRect&);
+    ImageBitmap(HTMLImageElement*, const IntRect&, Document*);
+    ImageBitmap(HTMLVideoElement*, const IntRect&, Document*);
     ImageBitmap(HTMLCanvasElement*, const IntRect&);
     ImageBitmap(ImageData*, const IntRect&);
     ImageBitmap(ImageBitmap*, const IntRect&);
-    ImageBitmap(Image*, const IntRect&);
     ImageBitmap(PassRefPtr<StaticBitmapImage>);
+    ImageBitmap(PassRefPtr<StaticBitmapImage>, const IntRect&);
 
     // ImageLoaderClient
     void notifyImageSourceChanged() override;