Move ResourceClient to Oilpan heap

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 385 matching lines @@
     if (request.forPreload()) {
         DEFINE_RESOURCE_HISTOGRAM("Preload.");
     } else {
         DEFINE_RESOURCE_HISTOGRAM("");
     }
 
     // Aims to count Resource only referenced from MemoryCache (i.e. what
     // would be dead if MemoryCache holds weak references to Resource).
     // Currently we check references to Resource from ResourceClient and
     // |m_preloads| only, because they are major sources of references.
-    if (resource && !resource->hasClientsOrObservers() && (!m_preloads || !m_preloads->contains(resource))) {
+    if (resource && !resource->isAlive() && (!m_preloads || !m_preloads->contains(resource))) {
         DEFINE_RESOURCE_HISTOGRAM("Dead.");
     }
 }
 
 Resource* ResourceFetcher::requestResource(FetchRequest& request, const ResourceFactory& factory, const SubstituteData& substituteData)
 {
     ASSERT(request.options().synchronousPolicy == RequestAsynchronously || factory.type() == Resource::Raw || factory.type() == Resource::XSLStyleSheet);
 
     context().populateRequestData(request.mutableResourceRequest());
     if (request.resourceRequest().httpHeaderField("Upgrade-Insecure-Requests") != AtomicString("1"))
@@ skipping 67 matching lines @@
         break;
     }
 
     if (!resource)
         return nullptr;
     if (resource->getType() != factory.type()) {
         ASSERT(request.forPreload());
         return nullptr;
     }
 
-    if (!resource->hasClientsOrObservers())
+    if (!resource->isAlive())
         m_deadStatsRecorder.update(policy);
 
     if (policy != Use)
         resource->setIdentifier(identifier);
 
     if (!request.forPreload() || policy != Use) {
         // When issuing another request for a resource that is already in-flight make
         // sure to not demote the priority of the in-flight request. If the new request
         // isn't at the same priority as the in-flight request, only allow promotions.
         // This can happen when a visible image's priority is increased and then another
@@ skipping 814 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