[Oilpan] Fix wrong usage off heap collections in WebDevToolsAgentImpl

third_party/WebKit/Source/web/WebFrameWidgetImpl.cpp

 /*
  * Copyright (C) 2014 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 65 matching lines @@
 {
     // Pass the WebFrameWidgetImpl's self-reference to the caller.
 #if ENABLE(OILPAN)
     return new WebFrameWidgetImpl(client, localRoot); // SelfKeepAlive is set in constructor.
 #else
     return adoptRef(new WebFrameWidgetImpl(client, localRoot)).leakRef();
 #endif
 }
 
 // static
-HashSet<WebFrameWidgetImpl*>& WebFrameWidgetImpl::allInstances()
+WillBePersistentHeapHashSet<RawPtrWillBeWeakMember<WebFrameWidgetImpl>>& WebFrameWidgetImpl::allInstances()
 {
-    DEFINE_STATIC_LOCAL(HashSet<WebFrameWidgetImpl*>, allInstances, ());
+    DEFINE_STATIC_LOCAL(WillBePersistentHeapHashSet<RawPtrWillBeWeakMember<WebFrameWidgetImpl>>, allInstances, ());
     return allInstances;
 }
 
 WebFrameWidgetImpl::WebFrameWidgetImpl(WebWidgetClient* client, WebLocalFrame* localRoot)
     : m_client(client)
     , m_localRoot(toWebLocalFrameImpl(localRoot))
     , m_layerTreeView(nullptr)
     , m_rootLayer(nullptr)
     , m_rootGraphicsLayer(nullptr)
     , m_isAcceleratedCompositingActive(false)
@@ skipping 984 matching lines @@
 
 HitTestResult WebFrameWidgetImpl::hitTestResultForRootFramePos(const IntPoint& posInRootFrame)
 {
     IntPoint docPoint(m_localRoot->frame()->view()->rootFrameToContents(posInRootFrame));
     HitTestResult result = m_localRoot->frame()->eventHandler().hitTestResultAtPoint(docPoint, HitTestRequest::ReadOnly | HitTestRequest::Active);
     result.setToShadowHostIfInUserAgentShadowRoot();
     return result;
 }
 
 } // namespace blink