Cleanup namespace usage in public/web/Web[N-Z]*.h.

public/web/WebScopedWindowFocusAllowedIndicator.h

 /*
  * Copyright (C) 2013 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 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebScopedWindowFocusAllowedIndicator_h
 #define WebScopedWindowFocusAllowedIndicator_h
 
 #include "public/platform/WebPrivateOwnPtr.h"
 
 namespace blink {
+
 class WindowFocusAllowedIndicator;
-}
-
-namespace blink {
 
 class WebScopedWindowFocusAllowedIndicator {
 public:
     WebScopedWindowFocusAllowedIndicator() { initialize(); }
     ~WebScopedWindowFocusAllowedIndicator() { reset(); }
 
 private:
     BLINK_EXPORT void initialize();
     BLINK_EXPORT void reset();
 
-    WebPrivateOwnPtr<blink::WindowFocusAllowedIndicator> m_indicator;
+    WebPrivateOwnPtr<WindowFocusAllowedIndicator> m_indicator;
 };
 
 }
 
 #endif // WebScopedWindowFocusAllowedIndicator_h