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

device/gamepad/gamepad_standard_mappings.h

 // Copyright (c) 2012 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 DEVICE_GAMEPAD_GAMEPAD_STANDARD_MAPPINGS_H_
 #define DEVICE_GAMEPAD_GAMEPAD_STANDARD_MAPPINGS_H_
 
 #include "base/strings/string_piece.h"
-#include "third_party/WebKit/public/platform/WebGamepad.h"
+#include "device/gamepad/public/cpp/gamepad.h"
 
 namespace device {
 
-typedef void (*GamepadStandardMappingFunction)(
-    const blink::WebGamepad& original,
-    blink::WebGamepad* mapped);
+typedef void (*GamepadStandardMappingFunction)(const Gamepad& original,
+                                               Gamepad* mapped);
 
 GamepadStandardMappingFunction GetGamepadStandardMappingFunction(
     const base::StringPiece& vendor_id,
     const base::StringPiece& product_id);
 
 // This defines our canonical mapping order for gamepad-like devices. If these
 // items cannot all be satisfied, it is a case-by-case judgement as to whether
 // it is better to leave the device unmapped, or to partially map it. In
 // general, err towards leaving it *unmapped* so that content can handle
 // appropriately.
@@ skipping 30 matching lines @@
   AXIS_INDEX_LEFT_STICK_Y,
   AXIS_INDEX_RIGHT_STICK_X,
   AXIS_INDEX_RIGHT_STICK_Y,
   AXIS_INDEX_COUNT
 };
 
 // Matches XInput's trigger deadzone
 const float kDefaultButtonPressedThreshold = 30.f / 255.f;
 
 // Common mapping functions
-blink::WebGamepadButton AxisToButton(float input);
-blink::WebGamepadButton AxisNegativeAsButton(float input);
-blink::WebGamepadButton AxisPositiveAsButton(float input);
-blink::WebGamepadButton ButtonFromButtonAndAxis(blink::WebGamepadButton button,
-                                                float axis);
-blink::WebGamepadButton NullButton();
-void DpadFromAxis(blink::WebGamepad* mapped, float dir);
+GamepadButton AxisToButton(float input);
+GamepadButton AxisNegativeAsButton(float input);
+GamepadButton AxisPositiveAsButton(float input);
+GamepadButton ButtonFromButtonAndAxis(GamepadButton button, float axis);
+GamepadButton NullButton();
+void DpadFromAxis(Gamepad* mapped, float dir);
 
 }  // namespace device
 
 #endif  // DEVICE_GAMEPAD_GAMEPAD_STANDARD_MAPPINGS_H_