Template methods on Timer classes instead of the classes themselves.

chrome/browser/chromeos/login/users/wallpaper/wallpaper_manager.cc

 // Copyright 2014 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/chromeos/login/users/wallpaper/wallpaper_manager.h"
 
 #include <numeric>
 #include <vector>
 
 #include "ash/ash_constants.h"
@@ skipping 247 matching lines @@
   wallpaper::WallpaperInfo info_;
   gfx::ImageSkia user_wallpaper_;
   base::FilePath wallpaper_path_;
 
   // Load default wallpaper instead of user image.
   bool default_;
 
   // This is "on destroy" callback that will call OnWallpaperSet() when
   // image will be loaded.
   wallpaper::MovableOnDestroyCallbackHolder on_finish_;
-  base::OneShotTimer<WallpaperManager::PendingWallpaper> timer;
+  base::OneShotTimer timer;
 
   // Load start time to calculate duration.
   base::Time started_load_at_;
 
   DISALLOW_COPY_AND_ASSIGN(PendingWallpaper);
 };
 
 // WallpaperManager, public: ---------------------------------------------------
 
 WallpaperManager::~WallpaperManager() {
@@ skipping 751 matching lines @@
     }
   }
 
   if (need_update_screen) {
     DoSetDefaultWallpaper(std::string(),
                           MovableOnDestroyCallbackHolder().Pass());
   }
 }
 
 }  // namespace chromeos