[StorageMonitor] Remove GetStorageSize.

chrome/browser/storage_monitor/volume_mount_watcher_win.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 "chrome/browser/storage_monitor/volume_mount_watcher_win.h"
 
 #include <windows.h>
 #include <dbt.h>
 #include <fileapi.h>
 
@@ skipping 304 matching lines @@
   if (name)
     *name = iter->second.name;
   if (removable)
     *removable = iter->second.removable;
   if (total_size_in_bytes)
     *total_size_in_bytes = iter->second.total_size_in_bytes;
 
   return true;
 }
 
-uint64 VolumeMountWatcherWin::GetStorageSize(
-    const base::FilePath::StringType& mount_point) const {
-  MountPointDeviceMetadataMap::const_iterator iter =
-      device_metadata_.find(mount_point);
-  if (iter != device_metadata_.end())
-    return iter->second.total_size_in_bytes;
-  return 0;
-}
-
 void VolumeMountWatcherWin::OnWindowMessage(UINT event_type, LPARAM data) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   switch (event_type) {
     case DBT_DEVICEARRIVAL: {
       if (IsLogicalVolumeStructure(data)) {
         DWORD unitmask = GetVolumeBitMaskFromBroadcastHeader(data);
         std::vector<base::FilePath> paths;
         for (int i = 0; unitmask; ++i, unitmask >>= 1) {
           if (!(unitmask & 0x01))
             continue;
@@ skipping 58 matching lines @@
   // If the device isn't type removable (like a CD), it won't be there.
   if (device_info == device_metadata_.end())
     return;
 
   if (notifications_)
     notifications_->ProcessDetach(device_info->second.device_id);
   device_metadata_.erase(device_info);
 }
 
 }  // namespace chrome