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

device/gamepad/gamepad_pad_state_provider.h

Index: device/gamepad/gamepad_pad_state_provider.h
diff --git a/device/gamepad/gamepad_pad_state_provider.h b/device/gamepad/gamepad_pad_state_provider.h
index 3ba83420edae7be619eb53575fa1a4747b1b3a87..c4624baa34e42ef138dbb4321749edf0bfbce603 100644
--- a/device/gamepad/gamepad_pad_state_provider.h
+++ b/device/gamepad/gamepad_pad_state_provider.h
@@ -12,7 +12,7 @@
 
 #include "device/gamepad/gamepad_export.h"
 #include "device/gamepad/gamepad_standard_mappings.h"
-#include "third_party/WebKit/public/platform/WebGamepad.h"
+#include "device/gamepad/public/cpp/gamepad.h"
 
 namespace device {
 
@@ -47,7 +47,7 @@ struct PadState {
   GamepadActiveState active_state;
 
   // Gamepad data, unmapped.
-  blink::WebGamepad data;
+  Gamepad data;
 
   // Functions to map from device data to standard layout, if available. May
   // be null if no mapping is available or needed.
@@ -59,13 +59,13 @@ struct PadState {
   // corresponding bit will be set to 1.
 
   // If we ever increase the max axis count this will need to be updated.
-  static_assert(blink::WebGamepad::kAxesLengthCap <=
+  static_assert(Gamepad::kAxesLengthCap <=
                     std::numeric_limits<uint32_t>::digits,
                 "axis_mask is not large enough");
   uint32_t axis_mask;
 
   // If we ever increase the max button count this will need to be updated.
-  static_assert(blink::WebGamepad::kButtonsLengthCap <=
+  static_assert(Gamepad::kButtonsLengthCap <=
                     std::numeric_limits<uint32_t>::digits,
                 "button_mask is not large enough");
   uint32_t button_mask;
@@ -87,7 +87,7 @@ class DEVICE_GAMEPAD_EXPORT GamepadPadStateProvider {
   void InitializeDataFetcher(GamepadDataFetcher* fetcher);
 
   void MapAndSanitizeGamepadData(PadState* pad_state,
-                                 blink::WebGamepad* pad,
+                                 Gamepad* pad,
                                  bool sanitize);
 
   // Tracks the state of each gamepad slot.