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

device/gamepad/game_controller_data_fetcher_mac.mm

 // Copyright 2016 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 "device/gamepad/game_controller_data_fetcher_mac.h"
 
 #include <string.h>
 
 #include "base/strings/string16.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
 #include "device/gamepad/gamepad_standard_mappings.h"
 
 #import <GameController/GameController.h>
 
-using blink::WebGamepad;
-using blink::WebGamepads;
-
 namespace device {
 
 namespace {
 
 void CopyNSStringAsUTF16LittleEndian(NSString* src,
-                                     blink::WebUChar* dest,
+                                     UChar* dest,
                                      size_t dest_len) {
   NSData* as16 = [src dataUsingEncoding:NSUTF16LittleEndianStringEncoding];
   memset(dest, 0, dest_len);
-  [as16 getBytes:dest length:dest_len - sizeof(blink::WebUChar)];
+  [as16 getBytes:dest length:dest_len - sizeof(UChar)];
 }
 
 }  // namespace
 
 GameControllerDataFetcherMac::GameControllerDataFetcherMac() {}
 
 GameControllerDataFetcherMac::~GameControllerDataFetcherMac() {}
 
 GamepadSource GameControllerDataFetcherMac::source() {
   return Factory::static_source();
 }
 
 void GameControllerDataFetcherMac::GetGamepadData(bool) {
   NSArray* controllers = [GCController controllers];
 
   for (GCController* controller in controllers) {
     auto extended_gamepad = [controller extendedGamepad];
 
     // We only support the extendedGamepad profile, the basic gamepad profile
     // appears to only be for iOS devices.
     if (!extended_gamepad)
       continue;
 
     int player_index = [controller playerIndex];
     PadState* state = GetPadState(player_index);
     if (!state)
       continue;
 
-    WebGamepad& pad = state->data;
+    Gamepad& pad = state->data;
 
     // This first time we encounter a gamepad, set its name, mapping, and
     // axes/button counts. This information is static, so it only needs to be
     // done once.
     if (state->active_state == GAMEPAD_NEWLY_ACTIVE) {
       NSString* vendorName = [controller vendorName];
       NSString* ident =
           [NSString stringWithFormat:@"%@ (STANDARD GAMEPAD)",
                                      vendorName ? vendorName : @"Unknown"];
       CopyNSStringAsUTF16LittleEndian(ident, pad.id, sizeof(pad.id));
@@ skipping 35 matching lines @@
     BUTTON(BUTTON_INDEX_DPAD_UP, [[extended_gamepad dpad] up]);
     BUTTON(BUTTON_INDEX_DPAD_DOWN, [[extended_gamepad dpad] down]);
     BUTTON(BUTTON_INDEX_DPAD_LEFT, [[extended_gamepad dpad] left]);
     BUTTON(BUTTON_INDEX_DPAD_RIGHT, [[extended_gamepad dpad] right]);
 
 #undef BUTTON
   }
 }
 
 }  // namespace device