Add CanMinimize to classes that implement WidgetDelegate::CanMaximize.

ui/views/window/custom_frame_view_unittest.cc

 // Copyright 2014 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.
 
 #include "ui/views/window/custom_frame_view.h"
 
 #include <vector>
 
 #include "ui/views/controls/button/image_button.h"
 #include "ui/views/test/views_test_base.h"
@@ skipping 12 matching lines @@
  public:
   MaximizeStateControlDelegate() : can_maximize_(true) {}
   virtual ~MaximizeStateControlDelegate() {}
 
   void set_can_maximize(bool can_maximize) {
     can_maximize_ = can_maximize;
   }
 
   // WidgetDelegate:
   virtual bool CanMaximize() const OVERRIDE { return can_maximize_; }
+  virtual bool CanMinimize() const OVERRIDE { return can_maximize_; }
 
  private:
   bool can_maximize_;
 
   DISALLOW_COPY_AND_ASSIGN(MaximizeStateControlDelegate);
 };
 
 }  // namespace
 
 class CustomFrameViewTest : public ViewsTestBase {
@@ skipping 200 matching lines @@
   parent->Maximize();
   view->Layout();
 
   EXPECT_GT(close_button()->bounds().width(),
             close_button_initial_bounds.width());
   EXPECT_GT(minimize_button()->bounds().width(),
             minimize_button_initial_bounds.width());
 }
 
 }  // namespace views