Reload Lo-Fi images inline instead of reloading the whole page

third_party/WebKit/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 67 matching lines @@
         IntrinsicCorrectedToDPR, // Report the intrinsic size corrected to account for image density.
     };
     // This method takes a zoom multiplier that can be used to increase the natural size of the image by the zoom.
     LayoutSize imageSize(RespectImageOrientationEnum shouldRespectImageOrientation, float multiplier, SizeType = IntrinsicSize);
     void computeIntrinsicDimensions(Length& intrinsicWidth, Length& intrinsicHeight, FloatSize& intrinsicRatio);
 
     bool isAccessAllowed(SecurityOrigin*);
 
     void updateImageAnimationPolicy();
 
+    // If this ImageResource has the Lo-Fi response headers, reload it with
+    // the Lo-Fi state set to off and bypassing the cache.
+    void reloadIfLoFi(ResourceFetcher*);
+
     void didAddClient(ResourceClient*) override;
     void didRemoveClient(ResourceClient*) override;
 
     void allClientsRemoved() override;
 
     void appendData(const char*, size_t) override;
     void error(Resource::Status) override;
     void responseReceived(const ResourceResponse&, PassOwnPtr<WebDataConsumerHandle>) override;
     void finishOnePart() override;
 
@@ skipping 43 matching lines @@
 
     RefPtr<blink::Image> m_image;
     bool m_hasDevicePixelRatioHeaderValue;
 };
 
 DEFINE_RESOURCE_TYPE_CASTS(Image);
 
 }
 
 #endif