Add CanMinimize to classes that implement WidgetDelegate::CanMaximize.

ui/views/win/hwnd_message_handler_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_VIEWS_WIN_HWND_MESSAGE_HANDLER_DELEGATE_H_
 #define UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_DELEGATE_H_
 
 #include "ui/views/views_export.h"
 
 namespace gfx {
@@ skipping 24 matching lines @@
   // TODO(beng): resolve this more satisfactorily vis-a-vis ShouldUseNativeFrame
   //             to avoid confusion.
   virtual bool IsUsingCustomFrame() const = 0;
 
   virtual void SchedulePaint() = 0;
   virtual void EnableInactiveRendering() = 0;
   virtual bool IsInactiveRenderingDisabled() = 0;
 
   virtual bool CanResize() const = 0;
   virtual bool CanMaximize() const = 0;
+  virtual bool CanMinimize() const = 0;
   virtual bool CanActivate() const = 0;
 
   virtual bool WidgetSizeIsClientSize() const = 0;
 
   // Returns true if the delegate represents a modal window.
   virtual bool IsModal() const = 0;
 
   // Returns the show state that should be used for the application's first
   // window.
   virtual int GetInitialShowState() const = 0;
@@ skipping 176 matching lines @@
   // Called when the window size is about to change.
   virtual void HandleWindowSizeChanging() = 0;
 
  protected:
   virtual ~HWNDMessageHandlerDelegate() {}
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_WIN_HWND_MESSAGE_HANDLER_DELEGATE_H_