Revert of Make WindowState::CanMinimize() take into account WidgetDelegate::CanMinimize()

ash/frame/caption_buttons/frame_caption_button_container_view.h

 // Copyright 2013 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 ASH_FRAME_CAPTION_BUTTONS_FRAME_CAPTION_BUTTON_CONTAINER_VIEW_H_
 #define ASH_FRAME_CAPTION_BUTTONS_FRAME_CAPTION_BUTTON_CONTAINER_VIEW_H_
 
 #include <map>
 
 #include "ash/ash_export.h"
@@ skipping 15 matching lines @@
 // Container view for the frame caption buttons. It performs the appropriate
 // action when a caption button is clicked.
 class ASH_EXPORT FrameCaptionButtonContainerView
     : public views::View,
       public views::ButtonListener,
       public FrameSizeButtonDelegate,
       public gfx::AnimationDelegate {
  public:
   static const char kViewClassName[];
 
+  // Whether the frame can be minimized (either via the maximize/restore button
+  // or via a dedicated button).
+  enum MinimizeAllowed {
+    MINIMIZE_ALLOWED,
+    MINIMIZE_DISALLOWED
+  };
+
   // |frame| is the views::Widget that the caption buttons act on.
-  explicit FrameCaptionButtonContainerView(views::Widget* frame);
+  // |minimize_allowed| indicates whether the frame can be minimized (either via
+  // the maximize/restore button or via a dedicated button).
+  FrameCaptionButtonContainerView(views::Widget* frame,
+                                  MinimizeAllowed minimize_allowed);
   virtual ~FrameCaptionButtonContainerView();
 
   // For testing.
   class ASH_EXPORT TestApi {
    public:
     explicit TestApi(FrameCaptionButtonContainerView* container_view)
         : container_view_(container_view) {
     }
 
     void EndAnimations();
@@ skipping 112 matching lines @@
   // Animation that affects the position of |minimize_button_| and the
   // visibility of |size_button_|.
   scoped_ptr<gfx::SlideAnimation> maximize_mode_animation_;
 
   DISALLOW_COPY_AND_ASSIGN(FrameCaptionButtonContainerView);
 };
 
 }  // namespace ash
 
 #endif  // ASH_FRAME_CAPTION_BUTTONS_FRAME_CAPTION_BUTTON_CONTAINER_VIEW_H_