Revert of Enable the WebIDL [Exposed] annotation on an interface's members.

Source/core/workers/WorkerGlobalScope.h

Index: Source/core/workers/WorkerGlobalScope.h
diff --git a/Source/core/workers/WorkerGlobalScope.h b/Source/core/workers/WorkerGlobalScope.h
index 2c5fbd905b4007ec70972d6fed17aaba5b59f755..0764094debf90ec14b090ea9350b0c93b4ba1bb2 100644
--- a/Source/core/workers/WorkerGlobalScope.h
+++ b/Source/core/workers/WorkerGlobalScope.h
@@ -65,12 +65,11 @@
 
         virtual bool isWorkerGlobalScope() const OVERRIDE FINAL { return true; }
 
-        virtual bool isDedicatedWorkerGlobalScope() const OVERRIDE { return false; }
-        virtual bool isSharedWorkerGlobalScope() const OVERRIDE { return false; }
-        virtual bool isServiceWorkerGlobalScope() const OVERRIDE { return false; }
-
         virtual ExecutionContext* executionContext() const OVERRIDE FINAL;
 
+        virtual bool isSharedWorkerGlobalScope() const { return false; }
+        virtual bool isDedicatedWorkerGlobalScope() const { return false; }
+        virtual bool isServiceWorkerGlobalScope() const { return false; }
         virtual void countFeature(UseCounter::Feature) const;
         virtual void countDeprecation(UseCounter::Feature) const;