Split ImageResourceClient into ResourceClient and ImageResourceObserver [1/2]

third_party/WebKit/Source/core/layout/LayoutImage.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2006 Allan Sandfeld Jensen (kde@carewolf.com)
  *           (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010, 2011 Apple 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #ifndef LayoutImage_h
 #define LayoutImage_h
 
 #include "core/CoreExport.h"
+#include "core/fetch/ResourceClient.h"
 #include "core/layout/LayoutImageResource.h"
 #include "core/layout/LayoutReplaced.h"
 
 namespace blink {
 
 class HTMLAreaElement;
 class HTMLMapElement;
 
 // LayoutImage is used to display any image type.
 //
 // There is 2 types of images:
 // * normal images, e.g. <image>, <picture>.
 // * content images with "content: url(path/to/image.png)".
 // We store the type inside  m_isGeneratedContent.
 //
 // The class is image type agnostic as it only manipulates decoded images.
 // See LayoutImageResource that holds this image.
-class CORE_EXPORT LayoutImage : public LayoutReplaced {
+class CORE_EXPORT LayoutImage : public LayoutReplaced, public ResourceClient {
 public:
     // These are the paddings to use when displaying either alt text or an image.
     static const unsigned short paddingWidth = 4;
     static const unsigned short paddingHeight = 4;
 
     LayoutImage(Element*);
     ~LayoutImage() override;
 
     static LayoutImage* createAnonymous(Document*);
 
@@ skipping 13 matching lines @@
     inline void setImageDevicePixelRatio(float factor) { m_imageDevicePixelRatio = factor; }
     float imageDevicePixelRatio() const { return m_imageDevicePixelRatio; }
 
     void intrinsicSizeChanged() override
     {
         if (m_imageResource)
             imageChanged(m_imageResource->imagePtr());
     }
 
     const char* name() const override { return "LayoutImage"; }
+    String debugName() const final { return LayoutObject::debugName(); }
 
 protected:
     bool needsPreferredWidthsRecalculation() const final;
     LayoutReplaced* embeddedReplacedContent() const final;
     void computeIntrinsicSizingInfo(IntrinsicSizingInfo&) const final;
 
     void imageChanged(WrappedImagePtr, const IntRect* = nullptr) override;
 
     void paint(const PaintInfo&, const LayoutPoint&) const final;
 
@@ skipping 38 matching lines @@
     // This field stores whether this image is generated with 'content'.
     bool m_isGeneratedContent;
     float m_imageDevicePixelRatio;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutImage, isLayoutImage());
 
 } // namespace blink
 
 #endif // LayoutImage_h