workers: Rename WorkerThread to WorkerScript.

Source/core/workers/WorkerReportingProxy.h

 /*
  * 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 43 matching lines @@
     // Invoked when the worker script is evaluated. |success| is true if the
     // evaluation completed with no uncaught exception.
     virtual void didEvaluateWorkerScript(bool success) = 0;
 
     // Invoked when the new WorkerGlobalScope is started.
     virtual void workerGlobalScopeStarted(WorkerGlobalScope*) = 0;
 
     // Invoked when close() is invoked on the worker context.
     virtual void workerGlobalScopeClosed() = 0;
 
-    // Invoked when the thread is stopped and WorkerGlobalScope is being
+    // Invoked when the WorkerScript is stopped and WorkerGlobalScope is being
     // destructed. (This is be the last method that is called on this
     // interface)
-    virtual void workerThreadTerminated() = 0;
+    virtual void workerScriptTerminated() = 0;
 
     // Invoked when the thread is about to be stopped and WorkerGlobalScope
     // is to be destructed. (When this is called it is guaranteed that
     // WorkerGlobalScope is still alive)
     virtual void willDestroyWorkerGlobalScope() = 0;
 };
 
 } // namespace blink
 
 #endif // WorkerReportingProxy_h