[WIP]Implement Blink side changes for navigator.language(s) support for workers.

Source/core/workers/WorkerMessagingProxy.cpp

 /*
  * Copyright (C) 2008 Apple Inc. All Rights Reserved.
  * Copyright (C) 2009 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 19 matching lines @@
 #include "core/workers/WorkerMessagingProxy.h"
 
 #include "core/dom/CrossThreadTask.h"
 #include "core/dom/Document.h"
 #include "core/events/ErrorEvent.h"
 #include "core/events/MessageEvent.h"
 #include "core/frame/Console.h"
 #include "core/frame/FrameConsole.h"
 #include "core/frame/LocalDOMWindow.h"
 #include "core/frame/LocalFrame.h"
+#include "core/frame/Navigator.h"
 #include "core/frame/csp/ContentSecurityPolicy.h"
 #include "core/inspector/ScriptCallStack.h"
 #include "core/inspector/WorkerDebuggerAgent.h"
 #include "core/loader/DocumentLoadTiming.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/workers/DedicatedWorkerGlobalScope.h"
 #include "core/workers/DedicatedWorkerThread.h"
 #include "core/workers/Worker.h"
 #include "core/workers/WorkerClients.h"
 #include "core/workers/WorkerInspectorProxy.h"
+#include "core/workers/WorkerLanguageTasks.h"
 #include "core/workers/WorkerObjectProxy.h"
 #include "core/workers/WorkerThreadStartupData.h"
+#include "platform/Language.h"
 #include "platform/NotImplemented.h"
 #include "platform/heap/Handle.h"
 #include "wtf/Functional.h"
 #include "wtf/MainThread.h"
 
 namespace blink {
 
 class MessageWorkerGlobalScopeTask : public ExecutionContextTask {
 public:
     static PassOwnPtr<MessageWorkerGlobalScopeTask> create(PassRefPtr<SerializedScriptValue> message, PassOwnPtr<MessagePortChannelArray> channels)
@@ skipping 130 matching lines @@
     RefPtrWillBeRawPtr<ConsoleMessage> consoleMessage = ConsoleMessage::create(source, level, message, sourceURL, lineNumber);
     consoleMessage->setWorkerGlobalScopeProxy(this);
     frame->console().addMessage(consoleMessage.release());
 }
 
 void WorkerMessagingProxy::workerThreadCreated(PassRefPtr<DedicatedWorkerThread> workerThread)
 {
     ASSERT(!m_askedToTerminate);
     m_workerThread = workerThread;
 
+    // Before any other task, pass on ua languages vector to the thread.
+    m_workerThread->postTask(WorkerThreadSetUserPreferredLanguagesTask::create(m_executionContext->executingWindow()->navigator().languages()));
+
     unsigned taskCount = m_queuedEarlyTasks.size();
     ASSERT(!m_unconfirmedMessageCount);
     m_unconfirmedMessageCount = taskCount;
     m_workerThreadHadPendingActivity = true; // Worker initialization means a pending activity.
 
     for (unsigned i = 0; i < taskCount; ++i)
         m_workerThread->postTask(m_queuedEarlyTasks[i].release());
     m_queuedEarlyTasks.clear();
 }
 
@@ skipping 74 matching lines @@
 
     // FIXME: This need to be revisited when we support nested worker one day
     ASSERT(m_executionContext->isDocument());
     Document* document = toDocument(m_executionContext.get());
     LocalFrame* frame = document->frame();
     if (frame)
         frame->console().adoptWorkerMessagesAfterTermination(this);
 }
 
 } // namespace blink