[StorageMonitor] Remove GetStorageSize.

chrome/browser/storage_monitor/test_storage_monitor.h

 // 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.
 
 #ifndef CHROME_BROWSER_STORAGE_MONITOR_TEST_STORAGE_MONITOR_H_
 #define CHROME_BROWSER_STORAGE_MONITOR_TEST_STORAGE_MONITOR_H_
 
 #include "chrome/browser/storage_monitor/storage_monitor.h"
 
 namespace chrome {
 namespace test {
 
 class TestStorageMonitor : public chrome::StorageMonitor {
  public:
   TestStorageMonitor();
   virtual ~TestStorageMonitor();
 
   // Will create a new testing implementation for browser tests,
   // taking care to deal with the existing singleton correctly.
   static TestStorageMonitor* CreateForBrowserTests();
 
   virtual bool GetStorageInfoForPath(
       const base::FilePath& path,
       StorageInfo* device_info) const OVERRIDE;
 
-  virtual uint64 GetStorageSize(
-      const base::FilePath::StringType& location) const OVERRIDE;
-
 #if defined(OS_WIN)
   virtual bool GetMTPStorageInfoFromDeviceId(
       const std::string& storage_device_id,
       string16* device_location,
       string16* storage_object_id) const OVERRIDE;
 #endif
 
   virtual Receiver* receiver() const OVERRIDE;
 
   virtual void EjectDevice(
       const std::string& device_id,
       base::Callback<void(StorageMonitor::EjectStatus)> callback)
       OVERRIDE;
 
   const std::string& ejected_device() const { return ejected_device_; }
 
  private:
   std::string ejected_device_;
 };
 
 }  // namespace test
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_STORAGE_MONITOR_TEST_STORAGE_MONITOR_H_