Adds SVGImageElement as a CanvasImageSource

third_party/WebKit/Source/core/svg/SVGImageElement.h

Index: third_party/WebKit/Source/core/svg/SVGImageElement.h
diff --git a/third_party/WebKit/Source/core/svg/SVGImageElement.h b/third_party/WebKit/Source/core/svg/SVGImageElement.h
index 54db5f4ac6e6f4851779ea2746ece002b1085227..29c3e8268860282b9abe5db8b569689b1ab46818 100644
--- a/third_party/WebKit/Source/core/svg/SVGImageElement.h
+++ b/third_party/WebKit/Source/core/svg/SVGImageElement.h
@@ -22,6 +22,7 @@
 #define SVGImageElement_h
 
 #include "core/SVGNames.h"
+#include "core/html/canvas/CanvasImageSource.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGAnimatedPreserveAspectRatio.h"
 #include "core/svg/SVGGraphicsElement.h"
@@ -31,8 +32,9 @@
 
 namespace blink {
 
-class SVGImageElement final : public SVGGraphicsElement,
-                              public SVGURIReference {
+class CORE_EXPORT SVGImageElement final : public SVGGraphicsElement,
+                                          public CanvasImageSource,
+                                          public SVGURIReference {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(SVGImageElement);
 
@@ -53,6 +55,17 @@ class SVGImageElement final : public SVGGraphicsElement,
   // Exposed for testing.
   ImageResourceContent* cachedImage() const { return imageLoader().image(); }
 
+  PassRefPtr<Image> getSourceImageForCanvas(SourceImageStatus*,
+                                            AccelerationHint,
+                                            SnapshotReason,
+                                            const FloatSize&) const override;
+
+  bool wouldTaintOrigin(SecurityOrigin*) const override;
+  FloatSize elementSize(const FloatSize& defaultObjectSize) const override;
+  bool isAccelerated() const override;
+  int sourceWidth() override;
+  int sourceHeight() override;
+
  private:
   explicit SVGImageElement(Document&);