Remove unnecessary zoom argument from GetImage() as its value is always available through the Layou…

third_party/WebKit/Source/core/css/CSSImageGeneratorValue.h

 /*
  * Copyright (C) 2008 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 39 matching lines @@
 };
 
 using LayoutObjectSizeCountMap = HashMap<const LayoutObject*, SizeAndCount>;
 
 class CORE_EXPORT CSSImageGeneratorValue : public CSSValue {
  public:
   ~CSSImageGeneratorValue();
 
   void AddClient(const LayoutObject*, const IntSize&);
   void RemoveClient(const LayoutObject*);
-  PassRefPtr<Image> GetImage(const LayoutObject&, const IntSize&, float zoom);
+  PassRefPtr<Image> GetImage(const LayoutObject&, const IntSize&);
 
   bool IsFixedSize() const;
   IntSize FixedSize(const LayoutObject&, const FloatSize& default_object_size);
 
   bool IsPending() const;
   bool KnownToBeOpaque(const LayoutObject&) const;
 
   void LoadSubimages(const Document&);
 
   CSSImageGeneratorValue* ValueWithURLsMadeAbsolute();
@@ skipping 21 matching lines @@
   // where we keep a persistent to the instance as long as there are clients in
   // the LayoutObjectSizeCountMap.
   SelfKeepAlive<CSSImageGeneratorValue> keep_alive_;
 };
 
 DEFINE_CSS_VALUE_TYPE_CASTS(CSSImageGeneratorValue, IsImageGeneratorValue());
 
 }  // namespace blink
 
 #endif  // CSSImageGeneratorValue_h