Template methods on Timer classes instead of the classes themselves.

ash/shelf/shelf_tooltip_manager.cc

 // Copyright 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 "ash/shelf/shelf_tooltip_manager.h"
 
 #include "ash/shelf/shelf_layout_manager.h"
 #include "ash/shelf/shelf_view.h"
 #include "ash/shell.h"
 #include "ash/shell_window_ids.h"
@@ skipping 345 matching lines @@
   view_->SetText(text_);
 
   gfx::NativeView native_view = widget_->GetNativeView();
   wm::SetWindowVisibilityAnimationType(
       native_view, wm::WINDOW_VISIBILITY_ANIMATION_TYPE_VERTICAL);
   wm::SetWindowVisibilityAnimationTransition(
       native_view, wm::ANIMATE_HIDE);
 }
 
 void ShelfTooltipManager::CreateTimer(int delay_in_ms) {
-  base::OneShotTimer<ShelfTooltipManager>* new_timer =
-      new base::OneShotTimer<ShelfTooltipManager>();
+  base::OneShotTimer* new_timer = new base::OneShotTimer();
   new_timer->Start(FROM_HERE,
                    base::TimeDelta::FromMilliseconds(delay_in_ms),
                    this,
                    &ShelfTooltipManager::ShowInternal);
   timer_.reset(new_timer);
 }
 
 }  // namespace ash