Cleanup namespace usage in Source/core/modules/[battery/* to indexeddb/*]

Source/modules/encryptedmedia/SimpleContentDecryptionModuleResult.h

 // 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.
 
 #ifndef SimpleContentDecryptionModuleResult_h
 #define SimpleContentDecryptionModuleResult_h
 
 #include "core/dom/ExceptionCode.h"
 #include "platform/ContentDecryptionModuleResult.h"
 #include "wtf/Forward.h"
 
 namespace blink {
-class WebString;
-}
-
-namespace blink {
 
 class ScriptPromise;
 class ScriptPromiseResolver;
 class ScriptState;
+class WebString;
 
-ExceptionCode WebCdmExceptionToExceptionCode(blink::WebContentDecryptionModuleException);
+ExceptionCode WebCdmExceptionToExceptionCode(WebContentDecryptionModuleException);
 
 // This class wraps the promise resolver and is passed (indirectly) to Chromium
 // to fullfill the promise. This implementation of complete() will resolve the
 // promise with undefined, while completeWithError() reject the promise with an
 // exception. completeWithSession() is not expected to be called, and will
 // reject the promise.
 class SimpleContentDecryptionModuleResult : public ContentDecryptionModuleResult {
 public:
     explicit SimpleContentDecryptionModuleResult(ScriptState*);
     virtual ~SimpleContentDecryptionModuleResult();
 
     // ContentDecryptionModuleResult implementation.
     virtual void complete() OVERRIDE;
-    virtual void completeWithSession(blink::WebContentDecryptionModuleResult::SessionStatus) OVERRIDE;
-    virtual void completeWithError(blink::WebContentDecryptionModuleException, unsigned long systemCode, const blink::WebString&) OVERRIDE;
+    virtual void completeWithSession(WebContentDecryptionModuleResult::SessionStatus) OVERRIDE;
+    virtual void completeWithError(WebContentDecryptionModuleException, unsigned long systemCode, const WebString&) OVERRIDE;
 
     // It is only valid to call this before completion.
     ScriptPromise promise();
 
 private:
     // Reject the promise with a DOMException.
     void completeWithDOMException(ExceptionCode, const String& errorMessage);
 
     RefPtr<ScriptPromiseResolver> m_resolver;
 };
 
 } // namespace blink
 
 #endif // SimpleContentDecryptionModuleResult_h