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

third_party/WebKit/Source/core/style/StylePendingImage.h

 /*
  * Copyright (C) 2010 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 62 matching lines @@
   LayoutSize ImageSize(const LayoutObject&,
                        float /*multiplier*/,
                        const LayoutSize& /*defaultObjectSize*/) const override {
     return LayoutSize();
   }
   bool ImageHasRelativeSize() const override { return false; }
   bool UsesImageContainerSize() const override { return false; }
   void AddClient(LayoutObject*) override {}
   void RemoveClient(LayoutObject*) override {}
   PassRefPtr<Image> GetImage(const LayoutObject&,
-                             const IntSize&,
-                             float) const override {
+                             const IntSize&) const override {
     NOTREACHED();
     return nullptr;
   }
   bool KnownToBeOpaque(const LayoutObject&) const override { return false; }
 
   DEFINE_INLINE_VIRTUAL_TRACE() {
     visitor->Trace(value_);
     StyleImage::Trace(visitor);
   }
 
  private:
   explicit StylePendingImage(const CSSValue& value)
       : value_(const_cast<CSSValue*>(&value)) {
     is_pending_image_ = true;
   }
 
   // TODO(sashab): Replace this with <const CSSValue> once Member<>
   // supports const types.
   Member<CSSValue> value_;
 };
 
 DEFINE_STYLE_IMAGE_TYPE_CASTS(StylePendingImage, IsPendingImage());
 
 }  // namespace blink
 #endif