[StorageMonitor] Remove GetStorageSize.

chrome/browser/storage_monitor/test_storage_monitor.cc

 // Copyright (c) 2013 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/test_storage_monitor.h"
 
 #include "chrome/browser/storage_monitor/media_storage_util.h"
 
 namespace chrome {
 namespace test {
@@ skipping 13 matching lines @@
     const base::FilePath& path,
     StorageInfo* device_info) const {
   if (!path.IsAbsolute())
     return false;
 
   if (device_info) {
     device_info->device_id = MediaStorageUtil::MakeDeviceId(
         MediaStorageUtil::FIXED_MASS_STORAGE, path.AsUTF8Unsafe());
     device_info->name = path.BaseName().LossyDisplayName();
     device_info->location = path.value();
+    device_info->total_size_in_bytes = 0;
   }
   return true;
 }
 
-uint64 TestStorageMonitor::GetStorageSize(
-    const base::FilePath::StringType& location) const {
-  return 0;
-}
-
 #if defined(OS_WIN)
 bool TestStorageMonitor::GetMTPStorageInfoFromDeviceId(
     const std::string& storage_device_id,
     string16* device_location,
     string16* storage_object_id) const {
   return false;
 }
 #endif
 
 StorageMonitor::Receiver* TestStorageMonitor::receiver() const {
   return StorageMonitor::receiver();
 }
 
 void TestStorageMonitor::EjectDevice(
     const std::string& device_id,
     base::Callback<void(EjectStatus)> callback) {
   ejected_device_ = device_id;
   callback.Run(EJECT_OK);
 }
 
 }  // namespace test
 }  // namespace chrome