Revert of Adds SVGImageElement as a ImageBitmapSource

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 b7a226067553ea825df6b95d5979bd30c5eed324..90fc9885533a53da2129cc8df31941137f0212fc 100644
--- a/third_party/WebKit/Source/core/svg/SVGImageElement.h
+++ b/third_party/WebKit/Source/core/svg/SVGImageElement.h
@@ -22,7 +22,7 @@
 #define SVGImageElement_h
 
 #include "core/SVGNames.h"
-#include "core/html/canvas/ImageElementBase.h"
+#include "core/html/canvas/CanvasImageElementSource.h"
 #include "core/svg/SVGAnimatedLength.h"
 #include "core/svg/SVGAnimatedPreserveAspectRatio.h"
 #include "core/svg/SVGGraphicsElement.h"
@@ -33,7 +33,7 @@
 namespace blink {
 
 class CORE_EXPORT SVGImageElement final : public SVGGraphicsElement,
-                                          public ImageElementBase,
+                                          public CanvasImageElementSource,
                                           public SVGURIReference {
   DEFINE_WRAPPERTYPEINFO();
   USING_GARBAGE_COLLECTED_MIXIN(SVGImageElement);