Add gamepad data fetcher for Linux

content/browser/gamepad/platform_data_fetcher_win.cc

-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 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 "content/browser/gamepad/data_fetcher_win.h"
+#include "content/browser/gamepad/platform_data_fetcher_win.h"
 
 #include "base/debug/trace_event.h"
 #include "content/common/gamepad_messages.h"
 #include "content/common/gamepad_hardware_buffer.h"
 
 #include <delayimp.h>
 
 #pragma comment(lib, "delayimp.lib")
 #pragma comment(lib, "xinput.lib")
 
@@ skipping 55 matching lines @@
   __try {
     ;//XInputEnable(true);
   } __except(DelayLoadDllExceptionFilter(GetExceptionInformation())) {
     return false;
   }
   return true;
 }
 
 }
 
-GamepadDataFetcherWindows::GamepadDataFetcherWindows()
+GamepadPlatformDataFetcherWin::GamepadPlatformDataFetcherWin()
     : xinput_available_(EnableXInput()) {
 }
 
-void GamepadDataFetcherWindows::GetGamepadData(WebGamepads* pads,
+void GamepadPlatformDataFetcherWin::GetGamepadData(WebGamepads* pads,
                                         bool devices_changed_hint) {
   TRACE_EVENT0("GAMEPAD", "GetGamepadData");
 
   // If there's no XInput DLL on the system, early out so that we don't
   // call any other XInput functions.
   if (!xinput_available_) {
     pads->length = 0;
     return;
   }
 
@@ skipping 10 matching lines @@
       WebGamepad& pad = pads->items[i];
       TRACE_EVENT1("GAMEPAD", "GetCapabilities", "id", i);
       XINPUT_CAPABILITIES caps;
       DWORD res = XInputGetCapabilities(i, XINPUT_FLAG_GAMEPAD, &caps);
       if (res == ERROR_DEVICE_NOT_CONNECTED) {
         pad.connected = false;
       } else {
         pad.connected = true;
         base::swprintf(pad.id,
                        WebGamepad::idLengthCap,
-                       L"Xbox 360 Controller (XInput %ls)",
+                       L"Xbox 360 Controller (XInput STANDARD %ls)",
                        GamepadSubTypeName(caps.SubType));
       }
     }
   }
 
   // We've updated the connection state if necessary, now update the actual
   // data for the devices that are connected.
   for (unsigned i = 0; i < WebGamepads::itemsLengthCap; ++i) {
     WebGamepad& pad = pads->items[i];
 
@@ skipping 37 matching lines @@
       pad.axes[pad.axesLength++] = -state.Gamepad.sThumbLY / 32767.0;
       pad.axes[pad.axesLength++] = state.Gamepad.sThumbRX / 32767.0;
       pad.axes[pad.axesLength++] = -state.Gamepad.sThumbRY / 32767.0;
     } else {
       pad.connected = false;
     }
   }
 }
 
 } // namespace content