[Device Service] Move Gamepad Blink headers to be part of the Gamepad client library

components/exo/gaming_seat.h

 // Copyright 2016 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 COMPONENTS_EXO_GAMING_SEAT_H_
 #define COMPONENTS_EXO_GAMING_SEAT_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 32 matching lines @@
   ~GamingSeat() override;
 
   // Overridden WMHelper::FocusObserver:
   void OnWindowFocused(aura::Window* gained_focus,
                        aura::Window* lost_focus) override;
 
  private:
   class ThreadSafeGamepadChangeFetcher;
 
   // Processes updates of gamepad data and passes changes on to delegate.
-  void ProcessGamepadChanges(int index, const blink::WebGamepad new_pad);
+  void ProcessGamepadChanges(int index, const device::Gamepad new_pad);
 
   // Private implementation of methods and resources that are used on the
   // polling thread.
   scoped_refptr<ThreadSafeGamepadChangeFetcher> gamepad_change_fetcher_;
 
   // The delegate that handles gamepad_added.
   GamingSeatDelegate* const delegate_;
 
   // The delegate instances that all other events are dispatched to.
-  GamepadDelegate* gamepad_delegates_[blink::WebGamepads::kItemsLengthCap];
+  GamepadDelegate* gamepad_delegates_[device::Gamepads::kItemsLengthCap];
 
   // The current state of the gamepad represented by this instance.
-  blink::WebGamepads pad_state_;
+  device::Gamepads pad_state_;
 
   // ThreadChecker for the origin thread.
   base::ThreadChecker thread_checker_;
 
   base::WeakPtrFactory<GamingSeat> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(GamingSeat);
 };
 
 }  // namespace exo
 
 #endif  // COMPONENTS_EXO_GAMING_SEAT_H_