Add Mac gamepad input remapper

content/browser/gamepad/platform_data_fetcher_linux.cc

 // 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/platform_data_fetcher_linux.h"
 
 #include <dlfcn.h>
 #include <fcntl.h>
 #include <libudev.h>
 #include <linux/joystick.h>
@@ skipping 141 matching lines @@
     const char* vendor_id = udev_device_get_sysattr_value(dev, "idVendor");
     const char* product_id = udev_device_get_sysattr_value(dev, "idProduct");
     mapper = GetGamepadStandardMappingFunction(vendor_id, product_id);
 
     const char* manufacturer =
         udev_device_get_sysattr_value(dev, "manufacturer");
     const char* product = udev_device_get_sysattr_value(dev, "product");
 
     // Driver returns utf-8 strings here, so combine in utf-8 and then convert
     // to WebUChar to build the id string.
-    std::string id;
-    if (mapper) {
-      id = base::StringPrintf("%s %s (STANDARD GAMEPAD)",
-          manufacturer,
-          product);
-    } else {
-      id = base::StringPrintf("%s %s (Vendor: %s Product: %s)",
+    std::string id = base::StringPrintf("%s %s (%sVendor: %s Product: %s)",
           manufacturer,
           product,
+          mapper ? "STANDARD GAMEPAD " : "",
           vendor_id,
           product_id);
-    }
     TruncateUTF8ToByteSize(id, WebGamepad::idLengthCap - 1, &id);
     string16 tmp16 = UTF8ToUTF16(id);
     memset(pad.id, 0, sizeof(pad.id));
     tmp16.copy(pad.id, arraysize(pad.id) - 1);
 
     pad.connected = true;
   }
 }
 
 void GamepadPlatformDataFetcherLinux::EnumerateDevices() {
@@ skipping 36 matching lines @@
       pad.buttons[item] = event.value ? 1.0 : 0.0;
       if (item >= pad.buttonsLength)
         pad.buttonsLength = item + 1;
     }
     pad.timestamp = event.time;
   }
 }
 
 
 }  // namespace content