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

Source/modules/gamepad/GamepadList.h

 /*
  * Copyright (C) 2011, 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:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 24 matching lines @@
 
 class GamepadList FINAL : public GarbageCollected<GamepadList>, public ScriptWrappable {
 public:
     static GamepadList* create()
     {
         return new GamepadList();
     }
 
     void set(unsigned index, Gamepad*);
     Gamepad* item(unsigned index);
-    unsigned length() const { return blink::WebGamepads::itemsLengthCap; }
+    unsigned length() const { return WebGamepads::itemsLengthCap; }
 
     void trace(Visitor*);
 
 private:
     GamepadList();
-    Member<Gamepad> m_items[blink::WebGamepads::itemsLengthCap];
+    Member<Gamepad> m_items[WebGamepads::itemsLengthCap];
 };
 
 } // namespace blink
 
 #endif // GamepadList_h