Avoid calling imageForCurrentFrame on SVGImage when not necessary

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

 /*
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 256 matching lines @@
     intrinsicHeight = Length(intrinsicRatio.height(), Fixed);
 }
 
 PassRefPtr<Image> Image::imageForDefaultFrame()
 {
     RefPtr<Image> image(this);
 
     return image.release();
 }
 
+bool Image::isTextureBacked()
+{
+    return imageForCurrentFrame()->isTextureBacked();

[pdr., 2015/11/11 06:19:45]

SVGImage::imageForCurrentFrame actually draws a new frame and returns a new
skpicture. Is that what we want?

[Justin Novosad, 2015/11/11 15:19:45]

This will never get called on an SVGImage (which is the purpose of this CL).
SVGImage has a virtual overload of isTextureBacked that just returns false.

+}
+
 } // namespace blink