Prevents windows in chromeos from resizing bigger than their maximum size.

ui/aura/window_delegate.h

 // Copyright (c) 2012 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 UI_AURA_WINDOW_DELEGATE_H_
 #define UI_AURA_WINDOW_DELEGATE_H_
 
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "ui/aura/aura_export.h"
@@ skipping 18 matching lines @@
 }
 
 namespace aura {
 
 // Delegate interface for aura::Window.
 class AURA_EXPORT WindowDelegate : public ui::EventHandler {
  public:
   // Returns the window's minimum size, or size 0,0 if there is no limit.
   virtual gfx::Size GetMinimumSize() const = 0;
 
+  // Returns the window's maximum size, or size 0,0 if there is no limit.
+  virtual gfx::Size GetMaximumSize() const = 0;
+
   // Called when the Window's position and/or size changes.
   virtual void OnBoundsChanged(const gfx::Rect& old_bounds,
                                const gfx::Rect& new_bounds) = 0;
 
   // Sent to the Window's delegate when the Window gains or loses focus.
   virtual void OnFocus(aura::Window* old_focused_window) = 0;
   virtual void OnBlur() = 0;
 
   // Returns the native cursor for the specified point, in window coordinates,
   // or NULL for the default cursor.
@@ skipping 54 matching lines @@
  protected:
   virtual ~WindowDelegate() {}
 
   // Overridden from ui::EventHandler:
   virtual ui::EventResult OnScrollEvent(ui::ScrollEvent* event) OVERRIDE;
 };
 
 }  // namespace aura
 
 #endif  // UI_AURA_WINDOW_DELEGATE_H_