Use scoped_ptr for memory management rather than calling delete through WindowSizer.

chrome/browser/ui/window_sizer.h

 // Copyright (c) 2011 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_UI_WINDOW_SIZER_H_
 #define CHROME_BROWSER_UI_WINDOW_SIZER_H_
 #pragma once
 
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/memory/scoped_ptr.h"
 #include "ui/gfx/rect.h"
 
 class Browser;
 
 ///////////////////////////////////////////////////////////////////////////////
 // WindowSizer
 //
 //  A class that determines the best new size and position for a window to be
 //  shown at based several factors, including the position and size of the last
 //  window of the same type, the last saved bounds of the window from the
@@ skipping 128 matching lines @@
   // If |saved_work_area| is non-empty, it is used to determine whether the
   // monitor cofiguration has changed. If it has, bounds are repositioned and
   // resized if necessary to make them completely contained in the current work
   // area.
   void AdjustBoundsToBeVisibleOnMonitorContaining(
       const gfx::Rect& other_bounds,
       const gfx::Rect& saved_work_area,
       gfx::Rect* bounds) const;
 
   // Providers for persistent storage and monitor metrics.
-  StateProvider* state_provider_;
-  MonitorInfoProvider* monitor_info_provider_;
+  scoped_ptr<StateProvider> state_provider_;
+  scoped_ptr<MonitorInfoProvider> monitor_info_provider_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowSizer);
 };
 
 #endif  // CHROME_BROWSER_UI_WINDOW_SIZER_H_