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

device/gamepad/gamepad_standard_mappings.h

Index: device/gamepad/gamepad_standard_mappings.h
diff --git a/device/gamepad/gamepad_standard_mappings.h b/device/gamepad/gamepad_standard_mappings.h
index b924533cdaab85b2e5deb110007e175556df1cf0..bb31cff25d57a9818d9d64abb2bd64597ae29837 100644
--- a/device/gamepad/gamepad_standard_mappings.h
+++ b/device/gamepad/gamepad_standard_mappings.h
@@ -6,13 +6,12 @@
 #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,
@@ -63,13 +62,12 @@ enum CanonicalAxisIndex {
 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