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

ui/views/widget/native_widget_aura.cc

 // 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.
 
 #include "ui/views/widget/native_widget_aura.h"
 
 #include "base/bind.h"
 #include "base/strings/string_util.h"
 #include "third_party/skia/include/core/SkRegion.h"
 #include "ui/aura/client/aura_constants.h"
@@ skipping 682 matching lines @@
 void NativeWidgetAura::OnRootViewLayout() {
 }
 
 bool NativeWidgetAura::IsTranslucentWindowOpacitySupported() const {
   return true;
 }
 
 void NativeWidgetAura::OnSizeConstraintsChanged() {
   window_->SetProperty(aura::client::kCanMaximizeKey,
                        GetWidget()->widget_delegate()->CanMaximize());
+  window_->SetProperty(aura::client::kCanMinimizeKey,
+                       GetWidget()->widget_delegate()->CanMinimize());
   window_->SetProperty(aura::client::kCanResizeKey,
                        GetWidget()->widget_delegate()->CanResize());
 }
 
 void NativeWidgetAura::RepostNativeEvent(gfx::NativeEvent native_event) {
   OnEvent(native_event);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // NativeWidgetAura, views::InputMethodDelegate implementation:
@@ skipping 462 matching lines @@
   l10n_util::AdjustUIFont(&(ncm.lfCaptionFont));
   base::win::ScopedHFONT caption_font(CreateFontIndirect(&(ncm.lfCaptionFont)));
   return gfx::FontList(gfx::Font(caption_font));
 #else
   return gfx::FontList();
 #endif
 }
 
 }  // namespace internal
 }  // namespace views