Add CanMinimize to classes that implement WidgetDelegate::CanMaximize.

ash/frame/caption_buttons/frame_caption_button_container_view_unittest.cc

 // 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.
 
 #include "ash/frame/caption_buttons/frame_caption_button_container_view.h"
 
 #include "ash/frame/caption_buttons/frame_caption_button.h"
 #include "ash/shell.h"
 #include "ash/test/ash_test_base.h"
 #include "ash/wm/maximize_mode/maximize_mode_controller.h"
@@ skipping 10 matching lines @@
  public:
   explicit TestWidgetDelegate(bool can_maximize) : can_maximize_(can_maximize) {
   }
   virtual ~TestWidgetDelegate() {
   }
 
   virtual bool CanMaximize() const OVERRIDE {
     return can_maximize_;
   }
 
+  virtual bool CanMinimize() const OVERRIDE {
+    return can_maximize_;
+  }
+
  private:
   bool can_maximize_;
 
   DISALLOW_COPY_AND_ASSIGN(TestWidgetDelegate);
 };
 
 }  // namespace
 
 class FrameCaptionButtonContainerViewTest : public ash::test::AshTestBase {
  public:
@@ skipping 162 matching lines @@
   EXPECT_TRUE(test.size_button()->visible());
   EXPECT_TRUE(test.close_button()->visible());
   EXPECT_EQ(initial_minimize_button_bounds, test.minimize_button()->bounds());
   EXPECT_EQ(initial_size_button_bounds, test.size_button()->bounds());
   EXPECT_EQ(initial_close_button_bounds, test.close_button()->bounds());
   EXPECT_EQ(container.GetPreferredSize().width(),
             initial_container_bounds.width());
 }
 
 }  // namespace ash