Template methods on Timer classes instead of the classes themselves.

ui/message_center/views/message_popup_collection.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 "ui/message_center/views/message_popup_collection.h"
 
 #include <set>
 
 #include "base/bind.h"
 #include "base/i18n/rtl.h"
@@ skipping 44 matching lines @@
     : parent_(parent),
       message_center_(message_center),
       tray_(tray),
       alignment_delegate_(alignment_delegate),
       defer_counter_(0),
       latest_toast_entered_(NULL),
       user_is_closing_toasts_by_clicking_(false),
       context_menu_controller_(new MessageViewContextMenuController(this)),
       weak_factory_(this) {
   DCHECK(message_center_);
-  defer_timer_.reset(new base::OneShotTimer<MessagePopupCollection>);
+  defer_timer_.reset(new base::OneShotTimer);
   message_center_->AddObserver(this);
   alignment_delegate_->set_collection(this);
 }
 
 MessagePopupCollection::~MessagePopupCollection() {
   weak_factory_.InvalidateWeakPtrs();
 
   message_center_->RemoveObserver(this);
 
   CloseAllWidgets();
@@ skipping 428 matching lines @@
       views::Widget* widget = (*iter)->GetWidget();
       if (widget)
         return widget->GetWindowBoundsInScreen();
       break;
     }
   }
   return gfx::Rect();
 }
 
 }  // namespace message_center