views: Make view::Views::GetPreferredSize() const.

chrome/browser/ui/views/apps/glass_app_window_frame_view_win.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 "chrome/browser/ui/views/apps/glass_app_window_frame_view_win.h"
 
 #include "apps/ui/native_app_window.h"
 #include "ui/base/hit_test.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
@@ skipping 79 matching lines @@
 
   // Caption is a safe default.
   return HTCAPTION;
 }
 
 void GlassAppWindowFrameViewWin::GetWindowMask(const gfx::Size& size,
                                                gfx::Path* window_mask) {
   // We got nothing to say about no window mask.
 }
 
-gfx::Size GlassAppWindowFrameViewWin::GetPreferredSize() {
+gfx::Size GlassAppWindowFrameViewWin::GetPreferredSize() const {
   gfx::Size pref = widget_->client_view()->GetPreferredSize();
   gfx::Rect bounds(0, 0, pref.width(), pref.height());
   return widget_->non_client_view()
       ->GetWindowBoundsForClientBounds(bounds)
       .size();
 }
 
 const char* GlassAppWindowFrameViewWin::GetClassName() const {
   return kViewClassName;
 }
 
-gfx::Size GlassAppWindowFrameViewWin::GetMinimumSize() {
+gfx::Size GlassAppWindowFrameViewWin::GetMinimumSize() const {
   gfx::Size min_size = widget_->client_view()->GetMinimumSize();
   gfx::Rect client_bounds = GetBoundsForClientView();
   min_size.Enlarge(0, client_bounds.y());
   return min_size;
 }
 
 gfx::Size GlassAppWindowFrameViewWin::GetMaximumSize() {
   gfx::Size max_size = widget_->client_view()->GetMaximumSize();
 
   // Add to the client maximum size the height of any title bar and borders.
   gfx::Size client_size = GetBoundsForClientView().size();
   if (max_size.width())
     max_size.Enlarge(width() - client_size.width(), 0);
   if (max_size.height())
     max_size.Enlarge(0, height() - client_size.height());
 
   return max_size;
 }