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

ui/views/controls/menu/menu_scroll_view_container.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/controls/menu/menu_scroll_view_container.h"
 
 #include "third_party/skia/include/core/SkPaint.h"
 #include "third_party/skia/include/core/SkPath.h"
 #include "ui/accessibility/ax_view_state.h"
 #include "ui/gfx/canvas.h"
@@ skipping 22 matching lines @@
 
 class MenuScrollButton : public View {
  public:
   MenuScrollButton(SubmenuView* host, bool is_up)
       : host_(host),
         is_up_(is_up),
         // Make our height the same as that of other MenuItemViews.
         pref_height_(MenuItemView::pref_menu_height()) {
   }
 
-  virtual gfx::Size GetPreferredSize() OVERRIDE {
+  virtual gfx::Size GetPreferredSize() const OVERRIDE {
     return gfx::Size(
         host_->GetMenuItem()->GetMenuConfig().scroll_arrow_height * 2 - 1,
         pref_height_);
   }
 
   virtual bool CanDrop(const OSExchangeData& data) OVERRIDE {
     DCHECK(host_->GetMenuItem()->GetMenuController());
     return true;  // Always return true so that drop events are targeted to us.
   }
 
@@ skipping 182 matching lines @@
 
   pref = scroll_down_button_->GetPreferredSize();
   scroll_down_button_->SetBounds(x, height() - pref.height() - insets.top(),
                                  width, pref.height());
   content_height -= pref.height();
 
   scroll_view_->SetBounds(x, scroll_view_y, width, content_height);
   scroll_view_->Layout();
 }
 
-gfx::Size MenuScrollViewContainer::GetPreferredSize() {
+gfx::Size MenuScrollViewContainer::GetPreferredSize() const {
   gfx::Size prefsize = scroll_view_->GetContents()->GetPreferredSize();
   gfx::Insets insets = GetInsets();
   prefsize.Enlarge(insets.width(), insets.height());
   return prefsize;
 }
 
 void MenuScrollViewContainer::GetAccessibleState(
     ui::AXViewState* state) {
   // Get the name from the submenu view.
   content_view_->GetAccessibleState(state);
@@ skipping 68 matching lines @@
     case MENU_ANCHOR_BUBBLE_ABOVE:
       return BubbleBorder::BOTTOM_CENTER;
     case MENU_ANCHOR_BUBBLE_BELOW:
       return BubbleBorder::TOP_CENTER;
     default:
       return BubbleBorder::NONE;
   }
 }
 
 }  // namespace views