Make WebTaskRunner ThreadSafeRefCounted

third_party/WebKit/Source/bindings/core/v8/ScriptStreamerTest.cpp

 // Copyright 2014 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 "bindings/core/v8/ScriptStreamer.h"
 
 #include "bindings/core/v8/ScriptSourceCode.h"
 #include "bindings/core/v8/ScriptStreamerThread.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8BindingForTesting.h"
@@ skipping 63 matching lines @@
 
   void processTasksUntilStreamingComplete() {
     while (ScriptStreamerThread::shared()->isRunningTask()) {
       testing::runPendingTasks();
     }
     // Once more, because the "streaming complete" notification might only
     // now be in the task queue.
     testing::runPendingTasks();
   }
 
-  WebTaskRunner* m_loadingTaskRunner;  // NOT OWNED
+  RefPtr<WebTaskRunner> m_loadingTaskRunner;
   std::unique_ptr<Settings> m_settings;
   // The Resource and PendingScript where we stream from. These don't really
   // fetch any data outside the test; the test controls the data by calling
   // ScriptResource::appendData.
   ResourceRequest m_resourceRequest;
   Persistent<ScriptResource> m_resource;
   Persistent<PendingScript> m_pendingScript;
 };
 
 class TestScriptResourceClient
@@ skipping 293 matching lines @@
   v8::TryCatch tryCatch(scope.isolate());
   v8::Local<v8::Script> script;
   EXPECT_TRUE(V8ScriptRunner::compileScript(sourceCode, scope.isolate())
                   .ToLocal(&script));
   EXPECT_FALSE(tryCatch.HasCaught());
 }
 
 }  // namespace
 
 }  // namespace blink