Remove duplication of encoded image data

third_party/WebKit/Source/core/fetch/ResourceFetcher.cpp

 /*
     Copyright (C) 1998 Lars Knoll (knoll@mpi-hd.mpg.de)
     Copyright (C) 2001 Dirk Mueller (mueller@kde.org)
     Copyright (C) 2002 Waldo Bastian (bastian@kde.org)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
     Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
 
     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
@@ skipping 876 matching lines @@
             memoryCache()->remove(resource.get());
     }
     m_preloads.clear();
 }
 
 ArchiveResource* ResourceFetcher::createArchive(Resource* resource)
 {
     // Only the top-frame can load MHTML.
     if (!context().isMainFrame())
         return nullptr;
-    m_archive = MHTMLArchive::create(resource->url(), resource->resourceBuffer());
+    m_archive = MHTMLArchive::create(resource->url(), resource->resourceBuffer().get());

[haraken, 2016/07/13 02:18:30]

You don't need to fix it in this CL but here we should pass in PassRefPtr to
MHTMLArchive::create and pass the ownership down to SharedBufferChunkReader.

[hajimehoshi, 2016/07/13 07:36:22]

Done.

     return m_archive ? m_archive->mainResource() : nullptr;
 }
 
 void ResourceFetcher::didFinishLoading(Resource* resource, double finishTime, int64_t encodedDataLength, DidFinishLoadingReason finishReason)
 {
     TRACE_EVENT_ASYNC_END0("blink.net", "Resource", resource->identifier());
     DCHECK(resource);
 
     // When loading a multipart resource, make the loader non-block when
     // finishing loading the first part.
@@ skipping 353 matching lines @@
     visitor->trace(m_context);
     visitor->trace(m_archive);
     visitor->trace(m_loaders);
     visitor->trace(m_nonBlockingLoaders);
     visitor->trace(m_documentResources);
     visitor->trace(m_preloads);
     visitor->trace(m_resourceTimingInfoMap);
 }
 
 } // namespace blink