Split ScriptStreamer and ScriptStreamerImpl, preparing for unit testing

third_party/WebKit/Source/bindings/core/v8/ScriptStreamerThread.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/ScriptStreamerThread.h"
 
 #include <memory>
-#include "bindings/core/v8/ScriptStreamer.h"
+#include "bindings/core/v8/ScriptStreamerImpl.h"
 #include "core/inspector/InspectorTraceEvents.h"
 #include "platform/WebTaskRunner.h"
 #include "platform/instrumentation/tracing/TraceEvent.h"
 #include "platform/wtf/PtrUtil.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebTraceLocation.h"
 
 namespace blink {
 
 static ScriptStreamerThread* g_shared_thread = 0;
@@ skipping 33 matching lines @@
 WebThread& ScriptStreamerThread::PlatformThread() {
   if (!IsRunning()) {
     thread_ = WTF::WrapUnique(
         Platform::Current()->CreateThread("ScriptStreamerThread"));
   }
   return *thread_;
 }
 
 void ScriptStreamerThread::RunScriptStreamingTask(
     std::unique_ptr<v8::ScriptCompiler::ScriptStreamingTask> task,
-    ScriptStreamer* streamer) {
+    ScriptStreamerImpl* streamer) {
   TRACE_EVENT1(
       "v8,devtools.timeline", "v8.parseOnBackground", "data",
       InspectorParseScriptEvent::Data(streamer->ScriptResourceIdentifier(),
                                       streamer->ScriptURLString()));
   // Running the task can and will block: SourceStream::GetSomeData will get
   // called and it will block and wait for data from the network.
   task->Run();
   streamer->StreamingCompleteOnBackgroundThread();
   MutexLocker locker(*g_mutex);
   ScriptStreamerThread* thread = Shared();
   if (thread)
     thread->TaskDone();
   // If thread is 0, we're shutting down.
 }
 
 }  // namespace blink