views: Forward declare "class View;" in layout_manager.h

chrome/browser/ui/views/frame/browser_view_layout.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_VIEWS_FRAME_BROWSER_VIEW_LAYOUT_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_LAYOUT_H_
 #pragma once
 
+#include "base/basictypes.h"
+#include "gfx/rect.h"
 #include "views/layout/layout_manager.h"
 
 class BaseTabStrip;
 class BookmarkBarView;
 class Browser;
 class BrowserView;
 class ContentsContainer;
 class DownloadShelfView;
 class TabContentsContainer;
 class ToolbarView;
 
+namespace gfx {
+class Point;
+class Size;
+}
+
 namespace views {
 class SingleSplitView;
 }
 
 // The layout manager used in chrome browser.
 class BrowserViewLayout : public views::LayoutManager {
  public:
   BrowserViewLayout();
-  virtual ~BrowserViewLayout() {}
+  virtual ~BrowserViewLayout();
 
   // Returns the minimum size of the browser view.
   virtual gfx::Size GetMinimumSize();
 
   // Returns the bounding box for the find bar.
   virtual gfx::Rect GetFindBarBoundingBox() const;
 
   // Returns true if the specified point(BrowserView coordinates) is in
   // in the window caption area of the browser window.
   virtual bool IsPositionInWindowCaption(const gfx::Point& point);
@@ skipping 77 matching lines @@
   // of the BrowserView less the width of the SideTabstrip.
   gfx::Rect vertical_layout_rect_;
 
   // The distance the FindBar is from the top of the window, in pixels.
   int find_bar_y_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserViewLayout);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_VIEW_LAYOUT_H_
-