Update fetch / loader classes to use OVERRIDE / FINAL when needed

Source/core/fetch/ImageResource.h

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller <mueller@kde.org>
     Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007 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.
@@ skipping 23 matching lines @@
 namespace WebCore {
 
 class ImageResourceClient;
 class ResourceFetcher;
 class FloatSize;
 class Length;
 class MemoryCache;
 class RenderObject;
 class SecurityOrigin;
 
-class ImageResource : public Resource, public ImageObserver {
+class ImageResource FINAL : public Resource, public ImageObserver {
     friend class MemoryCache;
 
 public:
     typedef ImageResourceClient ClientType;
 
     ImageResource(const ResourceRequest&);
     ImageResource(WebCore::Image*);
     virtual ~ImageResource();
 
-    virtual void load(ResourceFetcher*, const ResourceLoaderOptions&);
+    virtual void load(ResourceFetcher*, const ResourceLoaderOptions&) OVERRIDE;
 
     WebCore::Image* image(); // Returns the nullImage() if the image is not available yet.
     WebCore::Image* imageForRenderer(const RenderObject*); // Returns the nullImage() if the image is not available yet.
     bool hasImage() const { return m_image.get(); }
     bool currentFrameKnownToBeOpaque(const RenderObject*); // Side effect: ensures decoded image is in cache, therefore should only be called when about to draw the image.
 
     static std::pair<WebCore::Image*, float> brokenImage(float deviceScaleFactor); // Returns an image and the image's resolution scale factor.
     bool willPaintBrokenImage() const;
 
     bool canRender(const RenderObject* renderer, float multiplier) { return !errorOccurred() && !imageSizeForRenderer(renderer, multiplier).isEmpty(); }
 
     void setContainerSizeForRenderer(const ImageResourceClient*, const IntSize&, float);
     bool usesImageContainerSize() const;
     bool imageHasRelativeWidth() const;
     bool imageHasRelativeHeight() const;
     // The device pixel ratio we got from the server for this image, or 1.0.
     float devicePixelRatioHeaderValue() const { return m_devicePixelRatioHeaderValue; }
     bool hasDevicePixelRatioHeaderValue() const { return m_hasDevicePixelRatioHeaderValue; }
 
     enum SizeType {
         NormalSize, // Report the size of the image associated with a certain renderer
         IntrinsicSize // Report the intrinsic size, i.e. ignore whatever has been set extrinsically.
     };
     // This method takes a zoom multiplier that can be used to increase the natural size of the image by the zoom.
     LayoutSize imageSizeForRenderer(const RenderObject*, float multiplier, SizeType = NormalSize); // returns the size of the complete image.
     void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio);
 
     bool isAccessAllowed(SecurityOrigin*);
 
-    virtual void didAddClient(ResourceClient*);
-    virtual void didRemoveClient(ResourceClient*);
+    virtual void didAddClient(ResourceClient*) OVERRIDE;
+    virtual void didRemoveClient(ResourceClient*) OVERRIDE;
 
-    virtual void allClientsRemoved();
-    virtual void destroyDecodedData();
+    virtual void allClientsRemoved() OVERRIDE;
+    virtual void destroyDecodedData() OVERRIDE;
 
     virtual void appendData(const char*, int) OVERRIDE;
-    virtual void error(Resource::Status);
-    virtual void responseReceived(const ResourceResponse&);
+    virtual void error(Resource::Status) OVERRIDE;
+    virtual void responseReceived(const ResourceResponse&) OVERRIDE;
     virtual void finishOnePart() OVERRIDE;
 
     // For compatibility, images keep loading even if there are HTTP errors.
-    virtual bool shouldIgnoreHTTPStatusCodeErrors() const { return true; }
+    virtual bool shouldIgnoreHTTPStatusCodeErrors() const OVERRIDE { return true; }
 
-    virtual bool isImage() const { return true; }
+    virtual bool isImage() const OVERRIDE { return true; }
     virtual bool stillNeedsLoad() const OVERRIDE { return !errorOccurred() && status() == Unknown && !isLoading(); }
 
     // ImageObserver
-    virtual void decodedSizeChanged(const WebCore::Image*, int delta);
-    virtual void didDraw(const WebCore::Image*);
+    virtual void decodedSizeChanged(const WebCore::Image*, int delta) OVERRIDE;
+    virtual void didDraw(const WebCore::Image*) OVERRIDE;
 
-    virtual bool shouldPauseAnimation(const WebCore::Image*);
-    virtual void animationAdvanced(const WebCore::Image*);
-    virtual void changedInRect(const WebCore::Image*, const IntRect&);
+    virtual bool shouldPauseAnimation(const WebCore::Image*) OVERRIDE;
+    virtual void animationAdvanced(const WebCore::Image*) OVERRIDE;
+    virtual void changedInRect(const WebCore::Image*, const IntRect&) OVERRIDE;
 
 private:
     void clear();
 
     void setCustomAcceptHeader();
     void createImage();
     void updateImage(bool allDataReceived);
     void clearImage();
     // If not null, changeRect is the changed part of the image.
     void notifyObservers(const IntRect* changeRect = 0);
 
     virtual void switchClientsToRevalidatedResource() OVERRIDE;
 
     typedef pair<IntSize, float> SizeAndZoom;
     typedef HashMap<const ImageResourceClient*, SizeAndZoom> ContainerSizeRequests;
     ContainerSizeRequests m_pendingContainerSizeRequests;
     float m_devicePixelRatioHeaderValue;
 
     RefPtr<WebCore::Image> m_image;
     OwnPtr<SVGImageCache> m_svgImageCache;
     bool m_loadingMultipartContent;
     bool m_hasDevicePixelRatioHeaderValue;
 };
 
 DEFINE_RESOURCE_TYPE_CASTS(Image);
 
 }
 
 #endif