[mus+ash] Fixes minimum browser window size (store / retrieve kPreferredSize property)

chrome/browser/ui/views/frame/browser_non_client_frame_view.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 CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_H_
 
 #include "chrome/browser/profiles/profile_attributes_storage.h"
 #include "chrome/browser/ui/views/profiles/profile_indicator_icon.h"
 #include "ui/views/window/non_client_view.h"
@@ skipping 42 matching lines @@
 
   // Updates the throbber.
   virtual void UpdateThrobber(bool running) = 0;
 
   // Returns the profile switcher button, if this frame has any.
   virtual views::View* GetProfileSwitcherView() const;
 
   // Provided for mus. Updates the client-area of the WindowTreeHostMus.
   virtual void UpdateClientArea();
 
+  // Provided for mus to update the minimum window size property.
+  virtual void UpdateMinimumSize();
+
   // Overriden from views::View.
   void ChildPreferredSizeChanged(views::View* child) override;
   void VisibilityChanged(views::View* starting_from, bool is_visible) override;
 
  protected:
   // Whether the frame should be painted with theming.
   // By default, tabbed browser windows are themed but popup and app windows are
   // not.
   virtual bool ShouldPaintAsThemed() const;
 
@@ skipping 60 matching lines @@
 
 namespace chrome {
 
 // Provided by a browser_non_client_frame_view_factory_*.cc implementation
 BrowserNonClientFrameView* CreateBrowserNonClientFrameView(
     BrowserFrame* frame, BrowserView* browser_view);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_VIEWS_FRAME_BROWSER_NON_CLIENT_FRAME_VIEW_H_