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

device/gamepad/gamepad_consumer.h

Index: device/gamepad/gamepad_consumer.h
diff --git a/device/gamepad/gamepad_consumer.h b/device/gamepad/gamepad_consumer.h
index 7c9201a0ae2b5bfae6a3076a50826c22dcf43cf5..f80183d2e5531588a0f9495968dfc6cdcb59e8b5 100644
--- a/device/gamepad/gamepad_consumer.h
+++ b/device/gamepad/gamepad_consumer.h
@@ -6,7 +6,7 @@
 #define DEVICE_GAMEPAD_GAMEPAD_CONSUMER_H_
 
 #include "device/gamepad/gamepad_export.h"
-#include "third_party/WebKit/public/platform/WebGamepad.h"
+#include "device/gamepad/public/cpp/gamepad.h"
 
 namespace device {
 
@@ -15,10 +15,9 @@ class DEVICE_GAMEPAD_EXPORT GamepadConsumer {
   GamepadConsumer();
   virtual ~GamepadConsumer();
 
-  virtual void OnGamepadConnected(unsigned index,
-                                  const blink::WebGamepad& gamepad) = 0;
+  virtual void OnGamepadConnected(unsigned index, const Gamepad& gamepad) = 0;
   virtual void OnGamepadDisconnected(unsigned index,
-                                     const blink::WebGamepad& gamepad) = 0;
+                                     const Gamepad& gamepad) = 0;
 };
 
 }  // namespace device