Make WebTaskRunner ThreadSafeRefCounted

third_party/WebKit/Source/web/InspectorEmulationAgent.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "web/InspectorEmulationAgent.h"
 
 #include "core/frame/FrameHost.h"
 #include "core/frame/FrameView.h"
 #include "core/frame/Settings.h"
 #include "core/page/Page.h"
@@ skipping 132 matching lines @@
     m_webLocalFrameImpl->view()->scheduler()->setVirtualTimePolicy(
         WebViewScheduler::VirtualTimePolicy::PAUSE);
   } else if (protocol::Emulation::VirtualTimePolicyEnum::
                  PauseIfNetworkFetchesPending == policy) {
     m_webLocalFrameImpl->view()->scheduler()->setVirtualTimePolicy(
         WebViewScheduler::VirtualTimePolicy::DETERMINISTIC_LOADING);
   }
   m_webLocalFrameImpl->view()->scheduler()->enableVirtualTime();
 
   if (budget.isJust()) {
-    WebTaskRunner* taskRunner =
+    RefPtr<WebTaskRunner> taskRunner =
         Platform::current()->currentThread()->getWebTaskRunner();
     long long delayMillis = static_cast<long long>(budget.fromJust());
     m_virtualTimeBudgetExpiredTaskHandle =
         taskRunner->postDelayedCancellableTask(
             BLINK_FROM_HERE,
             WTF::bind(&InspectorEmulationAgent::virtualTimeBudgetExpired,
                       wrapWeakPersistent(this)),
             delayMillis);
   }
   return Response::OK();
 }
 
 void InspectorEmulationAgent::virtualTimeBudgetExpired() {
   m_webLocalFrameImpl->view()->scheduler()->setVirtualTimePolicy(
       WebViewScheduler::VirtualTimePolicy::PAUSE);
   frontend()->virtualTimeBudgetExpired();
 }
 
 DEFINE_TRACE(InspectorEmulationAgent) {
   visitor->trace(m_webLocalFrameImpl);
   InspectorBaseAgent::trace(visitor);
 }
 
 }  // namespace blink