Fixes for -Wunused-function on Linux, Android and ChromeOS

chrome/browser/storage_monitor/storage_monitor_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.
 
 // StorageMonitorLinux implementation.
 
 #include "chrome/browser/storage_monitor/storage_monitor_linux.h"
 
 #include <mntent.h>
 #include <stdio.h>
@@ skipping 93 matching lines @@
       "RemovableDeviceNotificationsLinux.device_partition_size_available",
       !partition_size.empty());
 
   uint64 total_size_in_bytes = 0;
   if (!base::StringToUint64(partition_size, &total_size_in_bytes))
     return 0;
   return (total_size_in_bytes <= kuint64max / 512) ?
       total_size_in_bytes * 512 : 0;
 }
 
-// Constructs the device name from the device properties. If the device details
-// are unavailable, returns an empty string.
-void GetDeviceName(struct udev_device* device,
-                   string16* out_volume_label,
-                   string16* out_vendor_name,
-                   string16* out_model_name) {
-  std::string device_label = GetUdevDevicePropertyValue(device, kLabel);
-  std::string vendor_name = GetUdevDevicePropertyValue(device, kVendor);
-  std::string model_name = GetUdevDevicePropertyValue(device, kModel);
-  if (out_volume_label)
-    *out_volume_label = UTF8ToUTF16(device_label);
-  if (out_vendor_name)
-    *out_vendor_name = UTF8ToUTF16(vendor_name);
-  if (out_model_name)
-    *out_model_name = UTF8ToUTF16(model_name);
-}
-
 // Gets the device information using udev library.
 scoped_ptr<StorageInfo> GetDeviceInfo(const base::FilePath& device_path,
                                       const base::FilePath& mount_point) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::FILE));
   DCHECK(!device_path.empty());
 
   scoped_ptr<StorageInfo> storage_info;
 
   ScopedGetDeviceInfoResultRecorder results_recorder;
 
@@ skipping 369 matching lines @@
   mount_point_info.storage_info = *storage_info;
   mount_info_map_[mount_point] = mount_point_info;
   mount_priority_map_[mount_device][mount_point] = removable;
   receiver()->ProcessAttach(*storage_info);
 }
 
 StorageMonitor* StorageMonitor::Create() {
   const base::FilePath kDefaultMtabPath("/etc/mtab");
   return new StorageMonitorLinux(kDefaultMtabPath);
 }