[StorageMonitor] Remove GetStorageSize.

chrome/browser/storage_monitor/storage_monitor_mac.mm

 // 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 "chrome/browser/storage_monitor/storage_monitor_mac.h"
 
 #include "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
 #include "base/strings/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
@@ skipping 269 matching lines @@
     if (FindDiskWithMountPoint(current, &info)) {
       *device_info = info;
       return true;
     }
     current = current.DirName();
   }
 
   return false;
 }
 
-uint64 StorageMonitorMac::GetStorageSize(const std::string& location) const {
-  StorageInfo info;
-  if (!FindDiskWithMountPoint(base::FilePath(location), &info))
-    return 0;
-  return info.total_size_in_bytes;
-}
-
 void StorageMonitorMac::EjectDevice(
       const std::string& device_id,
       base::Callback<void(EjectStatus)> callback) {
   std::string bsd_name;
   for (std::map<std::string, StorageInfo>::iterator
       it = disk_info_map_.begin(); it != disk_info_map_.end(); ++it) {
     if (it->second.device_id == device_id) {
       bsd_name = it->first;
       disk_info_map_.erase(it);
       break;
@@ skipping 67 matching lines @@
       it = disk_info_map_.begin(); it != disk_info_map_.end(); ++it) {
     if (it->second.location == mount_point.value()) {
       *info = it->second;
       return true;
     }
   }
   return false;
 }
 
 }  // namespace chrome