text: // Copyright 2014 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 HTMLImageFallbackHelper_h
  #define HTMLImageFallbackHelper_h
  
  #include "platform/wtf/Allocator.h"
  #include "platform/wtf/PassRefPtr.h"
  
  namespace blink {
  
  class Element;
  class ComputedStyle;
  
  class HTMLImageFallbackHelper {
    STATIC_ONLY(HTMLImageFallbackHelper);
  
   public:
    static void CreateAltTextShadowTree(Element&);
    static PassRefPtr<ComputedStyle> CustomStyleForAltText(
        Element&,
        PassRefPtr<ComputedStyle> new_style);
  };
  
  }  // namespace blink
  
  #endif  // HTMLImageFallbackHelper_h
  