Replace ScriptStreamerTask with blink::Task and threadSafeBind()

Source/bindings/core/v8/ScriptStreamer.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 "config.h"
 #include "bindings/core/v8/ScriptStreamer.h"
 
 #include "bindings/core/v8/ScriptStreamerThread.h"
 #include "bindings/core/v8/V8ScriptRunner.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/dom/PendingScript.h"
 #include "core/fetch/ScriptResource.h"
 #include "core/frame/Settings.h"
 #include "core/html/parser/TextResourceDecoder.h"
 #include "platform/SharedBuffer.h"
+#include "platform/Task.h"
 #include "platform/ThreadSafeFunctional.h"
 #include "platform/TraceEvent.h"
 #include "public/platform/Platform.h"
 #include "wtf/MainThread.h"
 #include "wtf/text/TextEncodingRegistry.h"
 
 namespace blink {
 
 namespace {
 
@@ skipping 395 matching lines @@
             m_source.clear();
             Platform::current()->histogramEnumeration(notStreamingReasonHistogramName(m_scriptType), V8CannotStream, NotStreamingReasonEnd);
             Platform::current()->histogramEnumeration(startedStreamingHistogramName(m_scriptType), 0, 2);
             return;
         }
 
         // ScriptStreamer needs to stay alive as long as the background task is
         // running. This is taken care of with a manual ref() & deref() pair;
         // the corresponding deref() is in streamingComplete.
         ref();
-        ScriptStreamingTask* task = new ScriptStreamingTask(scriptStreamingTask.release(), this);
-        ScriptStreamerThread::shared()->postTask(task);
+        ScriptStreamerThread::shared()->postTask(new Task(threadSafeBind(&ScriptStreamerThread::runScriptStreamingTask, scriptStreamingTask.release(), AllowCrossThreadAccess(this))));
         Platform::current()->histogramEnumeration(startedStreamingHistogramName(m_scriptType), 1, 2);
     }
     if (m_stream)
         m_stream->didReceiveData(this, lengthOfBOM);
 }
 
 void ScriptStreamer::notifyFinished(Resource* resource)
 {
     ASSERT(isMainThread());
     ASSERT(m_resource == resource);
@@ skipping 123 matching lines @@
 
     // The Resource might go out of scope if the script is no longer
     // needed. This makes PendingScript notify the ScriptStreamer when it is
     // destroyed.
     script.setStreamer(ScriptStreamer::create(resource, scriptType, scriptState, compileOption));
 
     return true;
 }
 
 } // namespace blink