[Oilpan] Change pointer type to RefPtrWillBePersistent

Source/web/WebEmbeddedWorkerImpl.cpp

 /*
  * Copyright (C) 2013 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 66 matching lines @@
 static HashSet<WebEmbeddedWorkerImpl*>& runningWorkerInstances()
 {
     DEFINE_STATIC_LOCAL(HashSet<WebEmbeddedWorkerImpl*>, set, ());
     return set;
 }
 
 WebEmbeddedWorkerImpl::WebEmbeddedWorkerImpl(PassOwnPtr<WebServiceWorkerContextClient> client, PassOwnPtr<WebWorkerContentSettingsClientProxy> ContentSettingsClient)
     : m_workerContextClient(client)
     , m_contentSettingsClient(ContentSettingsClient)
     , m_workerInspectorProxy(WorkerInspectorProxy::create())
-    , m_webView(0)
-    , m_mainFrame(0)
+    , m_webView(nullptr)
+    , m_mainFrame(nullptr)
     , m_loadingShadowPage(false)
     , m_askedToTerminate(false)
     , m_waitingForDebuggerState(NotWaitingForDebugger)
 {
     runningWorkerInstances().add(this);
 }
 
 WebEmbeddedWorkerImpl::~WebEmbeddedWorkerImpl()
 {
     // Prevent onScriptLoaderFinished from deleting 'this'.
@@ skipping 113 matching lines @@
     // FIXME: http://crbug.com/363843. This needs to find a better way to
     // not create graphics layers.
     settings->setAcceleratedCompositingEnabled(false);
     // Currently we block all mixed-content requests from a ServiceWorker.
     // FIXME: When we support FetchEvent.default(), we should relax this
     // restriction.
     settings->setStrictMixedContentChecking(true);
     settings->setAllowDisplayOfInsecureContent(false);
     settings->setAllowRunningOfInsecureContent(false);
     m_mainFrame = toWebLocalFrameImpl(WebLocalFrame::create(WebTreeScopeType::Document, this));
-    m_webView->setMainFrame(m_mainFrame);
+    m_webView->setMainFrame(m_mainFrame.get());
     m_mainFrame->setDevToolsAgentClient(this);
 
     // If we were asked to wait for debugger then it is the good time to do that.
     m_workerContextClient->workerReadyForInspection();
     if (m_workerStartData.waitForDebuggerMode == WebEmbeddedWorkerStartData::WaitForDebugger) {
         m_waitingForDebuggerState = WaitingForDebuggerBeforeLoadingScript;
         return;
     }
 
     loadShadowPage();
@@ skipping 112 matching lines @@
     m_mainScriptLoader.clear();
 
     m_workerGlobalScopeProxy = ServiceWorkerGlobalScopeProxy::create(*this, *document, *m_workerContextClient);
     m_loaderProxy = WorkerLoaderProxy::create(this);
     m_workerThread = ServiceWorkerThread::create(m_loaderProxy, *m_workerGlobalScopeProxy);
     m_workerThread->start(startupData.release());
     m_workerInspectorProxy->workerThreadCreated(document, m_workerThread.get(), scriptURL);
 }
 
 } // namespace blink