Rename WorkerContext to WorkerGlobalScope

Source/core/workers/Worker.h

Index: Source/core/workers/Worker.h
diff --git a/Source/core/workers/Worker.h b/Source/core/workers/Worker.h
index 9b08a98d52484dd5e50883229d7c76dd5ea9f2ce..b11bf488326b1ee499a92fa96a85a416185545d6 100644
--- a/Source/core/workers/Worker.h
+++ b/Source/core/workers/Worker.h
@@ -42,7 +42,7 @@
 namespace WebCore {
 
     class ScriptExecutionContext;
-    class WorkerContextProxy;
+    class WorkerGlobalScopeProxy;
     class WorkerScriptLoader;
 
     typedef int ExceptionCode;
@@ -75,7 +75,7 @@ namespace WebCore {
         virtual void derefEventTarget() OVERRIDE { deref(); }
 
         RefPtr<WorkerScriptLoader> m_scriptLoader;
-        WorkerContextProxy* m_contextProxy; // The proxy outlives the worker to perform thread shutdown.
+        WorkerGlobalScopeProxy* m_contextProxy; // The proxy outlives the worker to perform thread shutdown.
     };
 
 } // namespace WebCore