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

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

 // Copyright 2014 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.
 
 #include "modules/gamepad/GamepadDispatcher.h"
 
 #include "modules/gamepad/NavigatorGamepad.h"
 #include "public/platform/Platform.h"
 
 namespace blink {
 
 GamepadDispatcher& GamepadDispatcher::Instance() {
   DEFINE_STATIC_LOCAL(GamepadDispatcher, gamepad_dispatcher,
                       (new GamepadDispatcher));
   return gamepad_dispatcher;
 }
 
-void GamepadDispatcher::SampleGamepads(WebGamepads& gamepads) {
+void GamepadDispatcher::SampleGamepads(device::Gamepads& gamepads) {
   Platform::Current()->SampleGamepads(gamepads);
 }
 
 GamepadDispatcher::GamepadDispatcher() {}
 
 GamepadDispatcher::~GamepadDispatcher() {}
 
 DEFINE_TRACE(GamepadDispatcher) {
   PlatformEventDispatcher::Trace(visitor);
 }
 
 void GamepadDispatcher::DidConnectGamepad(unsigned index,
-                                          const WebGamepad& gamepad) {
+                                          const device::Gamepad& gamepad) {
   DispatchDidConnectOrDisconnectGamepad(index, gamepad, true);
 }
 
 void GamepadDispatcher::DidDisconnectGamepad(unsigned index,
-                                             const WebGamepad& gamepad) {
+                                             const device::Gamepad& gamepad) {
   DispatchDidConnectOrDisconnectGamepad(index, gamepad, false);
 }
 
 void GamepadDispatcher::DispatchDidConnectOrDisconnectGamepad(
     unsigned index,
-    const WebGamepad& gamepad,
+    const device::Gamepad& gamepad,
     bool connected) {
-  ASSERT(index < WebGamepads::kItemsLengthCap);
-  ASSERT(connected == gamepad.connected);
+  DCHECK(index < device::Gamepads::kItemsLengthCap);

[mattreynolds, 2017/04/13 01:53:34]

DCHECK_LT

[juncai, 2017/04/13 23:55:52]

The linker doesn't like DCHECK_LT(index, device::Gamepads::kItemsLengthCap), but
DCHECK(index < device::Gamepads::kItemsLengthCap) works fine.

+  DCHECK_EQ(connected, gamepad.connected);
 
   latest_change_.pad = gamepad;
   latest_change_.index = index;
   NotifyControllers();
 }
 
 void GamepadDispatcher::StartListening() {
   Platform::Current()->StartListening(kWebPlatformEventTypeGamepad, this);
 }
 
 void GamepadDispatcher::StopListening() {
   Platform::Current()->StopListening(kWebPlatformEventTypeGamepad);
 }
 
 }  // namespace blink