views: Move layout_manager.[cc,h] into layout directory.

views/layout/layout_manager.h

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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 VIEWS_LAYOUT_MANAGER_H_
 #define VIEWS_LAYOUT_MANAGER_H_
 #pragma once
 
 #include "views/view.h"

[sky, 2011/01/25 16:19:12]

This include should be nuked.

[tfarina, 2011/01/25 17:25:20]

Some files are depending on it. Can I do this in a followup CL? 

 
 namespace gfx {
 class Size;
 }
 
 namespace views {
 
-class View;

[sky, 2011/01/25 16:19:12]

And this left in.

-
 /////////////////////////////////////////////////////////////////////////////
 //
 // LayoutManager interface
 //
 //   The LayoutManager interface provides methods to handle the sizing of
 //   the children of a View according to implementation-specific heuristics.
 //
 /////////////////////////////////////////////////////////////////////////////
 class LayoutManager {
  public:
-  virtual ~LayoutManager() {}
+  virtual ~LayoutManager();
 
   // Notification that this LayoutManager has been installed on a particular
   // host.
-  virtual void Installed(View* host) {}
+  virtual void Installed(View* host);
 
   // Notification that this LayoutManager has been uninstalled on a particular
   // host.
-  virtual void Uninstalled(View* host) {}
+  virtual void Uninstalled(View* host);
 
   // Lay out the children of |host| according to implementation-specific
   // heuristics. The graphics used during painting is provided to allow for
   // string sizing.
   virtual void Layout(View* host) = 0;
 
   // Return the preferred size which is the size required to give each
   // children their respective preferred size.
   virtual gfx::Size GetPreferredSize(View* host) = 0;
 
   // Returns the preferred height for the specified width. The default
   // implementation returns the value from GetPreferredSize.
   virtual int GetPreferredHeightForWidth(View* host, int width);
 
   // Notification that a view has been added.
-  virtual void ViewAdded(View* host, View* view) {}
+  virtual void ViewAdded(View* host, View* view);
 
   // Notification that a view has been removed.
-  virtual void ViewRemoved(View* host, View* view) {}
+  virtual void ViewRemoved(View* host, View* view);
 };
 
 }  // namespace views
 
 #endif // VIEWS_LAYOUT_MANAGER_H_