Make ResourceFetcher::m_documentResources use WeakPtr

third_party/WebKit/Source/core/fetch/Resource.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) 2006 Samuel Weinig (sam.weinig@gmail.com)
     Copyright (C) 2004, 2005, 2006, 2007, 2008, 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
@@ skipping 26 matching lines @@
 #include "platform/Logging.h"
 #include "platform/SharedBuffer.h"
 #include "platform/TraceEvent.h"
 #include "platform/weborigin/KURL.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebProcessMemoryDump.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/MathExtras.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/Vector.h"
+#include "wtf/WeakPtr.h"
 #include "wtf/text/CString.h"
 
 using namespace WTF;
 
 namespace blink {
 
 // These response headers are not copied from a revalidated response to the
 // cached response headers. For compatibility, this list is based on Chromium's
 // net/http/http_response_headers.cc.
 const char* const headersToIgnoreAfterRevalidation[] = {
@@ skipping 83 matching lines @@
 
 String Resource::CacheHandler::encoding() const
 {
     return m_resource->encoding();
 }
 
 Resource::Resource(const ResourceRequest& request, Type type)
     : m_resourceRequest(request)
     , m_responseTimestamp(currentTime())
     , m_cancelTimer(this, &Resource::cancelTimerFired)
+#if !ENABLE(OILPAN)
+    , m_weakPtrFactory(this)
+#endif
     , m_loadFinishTime(0)
     , m_identifier(0)
     , m_encodedSize(0)
     , m_decodedSize(0)
     , m_handleCount(0)
     , m_preloadCount(0)
     , m_protectorCount(0)
     , m_cacheIdentifier(MemoryCache::defaultCacheIdentifier())
     , m_preloadResult(PreloadNotReferenced)
     , m_requestedFromNetworkingLayer(false)
@@ skipping 349 matching lines @@
 }
 
 void Resource::clearCachedMetadata(CachedMetadataHandler::CacheType cacheType)
 {
     m_cachedMetadata.clear();
 
     if (cacheType == CachedMetadataHandler::SendToPlatform)
         Platform::current()->cacheMetadata(m_response.url(), m_response.responseTime(), 0, 0);
 }
 
+WeakPtrWillBeRawPtr<Resource> Resource::asWeakPtr()
+{
+#if ENABLE(OILPAN)
+    return this;
+#else
+    return m_weakPtrFactory.createWeakPtr();
+#endif
+}
+
 bool Resource::canDelete() const
 {
     return !hasClients() && !m_loader && !m_preloadCount && hasRightHandleCountApartFromCache(0)
         && !m_protectorCount;
 }
 
 String Resource::reasonNotDeletable() const
 {
     StringBuilder builder;
     if (hasClients()) {
@@ skipping 630 matching lines @@
         return "ImportResource";
     case Resource::Media:
         return "Media";
     }
     ASSERT_NOT_REACHED();
     return "Unknown";
 }
 #endif // !LOG_DISABLED
 
 } // namespace blink