Do not show image placeholders for CSS sprites

third_party/WebKit/Source/core/css/resolver/ElementStyleResources.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc.
  * All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 11 matching lines @@
  */
 
 #ifndef ElementStyleResources_h
 #define ElementStyleResources_h
 
 #include "core/CSSPropertyNames.h"
 #include "core/css/CSSPropertyIDTemplates.h"
 #include "platform/CrossOriginAttributeValue.h"
 #include "platform/graphics/Color.h"
 #include "platform/heap/Handle.h"
+#include "platform/loader/fetch/FetchParameters.h"
 #include "platform/wtf/HashMap.h"
 #include "platform/wtf/Noncopyable.h"
 
 namespace blink {
 
 class CSSImageGeneratorValue;
 class CSSImageSetValue;
 class CSSImageValue;
 class CSSURIValue;
 class CSSValue;
@@ skipping 22 matching lines @@
  private:
   StyleImage* GeneratedOrPendingFromValue(CSSPropertyID,
                                           const CSSImageGeneratorValue&);
 
   void LoadPendingSVGDocuments(ComputedStyle*);
   void LoadPendingImages(ComputedStyle*);
 
   StyleImage* LoadPendingImage(
       ComputedStyle*,
       StylePendingImage*,
+      FetchParameters::PlaceholderImageRequestType,
       CrossOriginAttributeValue = kCrossOriginAttributeNotSet);
 
   Member<Document> document_;
   HashSet<CSSPropertyID> pending_image_properties_;
   float device_scale_factor_;
 };
 
 }  // namespace blink
 
 #endif  // ElementStyleResources_h