cc/blink: Veto checker-imaging for multipart image resources.

third_party/WebKit/Source/core/svg/graphics/SVGImage.h

 /*
  * Copyright (C) 2006 Eric Seidel <eric@webkit.org>
  * Copyright (C) 2009 Apple 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 39 matching lines @@
 // draw the image. Because a single SVGImage can be referenced by multiple
 // containers (see: SVGImageForContainer.h), each call to SVGImage::draw() may
 // require (re-)laying out the inner SVGDocument.
 //
 // Using Page was an architectural hack and has surprising side-effects. Ideally
 // SVGImage would use a lighter container around an SVGDocument that does not
 // have the full Page machinery but still has the sandboxing security guarantees
 // needed by SVGImage.
 class CORE_EXPORT SVGImage final : public Image {
  public:
-  static PassRefPtr<SVGImage> Create(ImageObserver* observer) {
-    return AdoptRef(new SVGImage(observer));
+  static PassRefPtr<SVGImage> Create(ImageObserver* observer,
+                                     bool is_multipart = false) {
+    return AdoptRef(new SVGImage(observer, is_multipart));
   }
 
   static bool IsInSVGImage(const Node*);
 
   LayoutReplaced* EmbeddedReplacedContent() const;
 
   bool IsSVGImage() const override { return true; }
   IntSize Size() const override { return intrinsic_size_; }
 
   void CheckLoaded() const;
@@ skipping 26 matching lines @@
 
   bool HasIntrinsicDimensions() const;
 
  private:
   // Accesses m_page.
   friend class SVGImageChromeClient;
   // Forwards calls to the various *ForContainer methods and other parts of
   // the the Image interface.
   friend class SVGImageForContainer;
 
-  SVGImage(ImageObserver*);
+  SVGImage(ImageObserver*, bool is_multipart);
   ~SVGImage() override;
 
   String FilenameExtension() const override;
 
   IntSize ContainerSize() const;
   bool UsesContainerSize() const override { return true; }
 
   SizeAvailability DataChanged(bool all_data_received) override;
 
   // FIXME: SVGImages are underreporting decoded sizes and will be unable
@@ skipping 109 matching lines @@
 
   ~ImageObserverDisabler() { image_->SetImageObserverDisabled(false); }
 
  private:
   Image* image_;
 };
 
 }  // namespace blink
 
 #endif  // SVGImage_h