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

third_party/WebKit/Source/modules/gamepad/Gamepad.cpp

 /*
  * Copyright (C) 2011, Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 19 matching lines @@
 Gamepad::Gamepad() : index_(0), timestamp_(0), display_id_(0) {}
 
 Gamepad::~Gamepad() {}
 
 void Gamepad::SetAxes(unsigned count, const double* data) {
   axes_.Resize(count);
   if (count)
     std::copy(data, data + count, axes_.begin());
 }
 
-void Gamepad::SetButtons(unsigned count, const WebGamepadButton* data) {
+void Gamepad::SetButtons(unsigned count, const device::GamepadButton* data) {
   if (buttons_.size() != count) {
     buttons_.Resize(count);
     for (unsigned i = 0; i < count; ++i)
       buttons_[i] = GamepadButton::Create();
   }
   for (unsigned i = 0; i < count; ++i) {
     buttons_[i]->SetValue(data[i].value);
     buttons_[i]->SetPressed(data[i].pressed);
     buttons_[i]->SetTouched(data[i].touched || data[i].pressed ||
                             (data[i].value > 0.0f));
   }
 }
 
-void Gamepad::SetPose(const WebGamepadPose& pose) {
+void Gamepad::SetPose(const device::GamepadPose& pose) {
   if (!pose.not_null) {
     if (pose_)
       pose_ = nullptr;
     return;
   }
 
   if (!pose_)
     pose_ = GamepadPose::Create();
 
   pose_->SetPose(pose);
 }
 
-void Gamepad::SetHand(const WebGamepadHand& hand) {
+void Gamepad::SetHand(const device::GamepadHand& hand) {
   switch (hand) {
-    case kGamepadHandNone:
+    case device::kGamepadHandNone:
       hand_ = "";
       break;
-    case kGamepadHandLeft:
+    case device::kGamepadHandLeft:
       hand_ = "left";
       break;
-    case kGamepadHandRight:
+    case device::kGamepadHandRight:
       hand_ = "right";
       break;
     default:
       NOTREACHED();
   }
 }
 
 DEFINE_TRACE(Gamepad) {
   visitor->Trace(buttons_);
   visitor->Trace(pose_);
 }
 
 }  // namespace blink