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

third_party/WebKit/Source/modules/csspaint/CSSPaintDefinition.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CSSPaintDefinition_h
 #define CSSPaintDefinition_h
 
 #include "core/CSSPropertyNames.h"
 #include "core/css/CSSSyntaxDescriptor.h"
 #include "core/css/cssom/CSSStyleValue.h"
@@ skipping 25 matching lines @@
   virtual ~CSSPaintDefinition();
 
   // Invokes the javascript 'paint' callback on an instance of the javascript
   // class. The size given will be the size of the PaintRenderingContext2D
   // given to the callback.
   //
   // This may return a nullptr (representing an invalid image) if javascript
   // throws an error.
   PassRefPtr<Image> Paint(const LayoutObject&,
                           const IntSize&,
-                          float zoom,
                           const CSSStyleValueVector*);
   const Vector<CSSPropertyID>& NativeInvalidationProperties() const {
     return native_invalidation_properties_;
   }
   const Vector<AtomicString>& CustomInvalidationProperties() const {
     return custom_invalidation_properties_;
   }
   const Vector<CSSSyntaxDescriptor>& InputArgumentTypes() const {
     return input_argument_types_;
   }
@@ skipping 34 matching lines @@
   Vector<CSSPropertyID> native_invalidation_properties_;
   Vector<AtomicString> custom_invalidation_properties_;
   // Input argument types, if applicable.
   Vector<CSSSyntaxDescriptor> input_argument_types_;
   bool has_alpha_;
 };
 
 }  // namespace blink
 
 #endif  // CSSPaintDefinition_h