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

chrome/browser/ui/views/frame/browser_frame.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 "chrome/browser/ui/views/frame/browser_frame.h"
 
 #include "ash/shell.h"
 #include "base/command_line.h"
 #include "base/debug/leak_annotations.h"
 #include "base/i18n/rtl.h"
@@ skipping 197 matching lines @@
   return root_view_;
 }
 
 views::NonClientFrameView* BrowserFrame::CreateNonClientFrameView() {
   browser_frame_view_ =
       chrome::CreateBrowserNonClientFrameView(this, browser_view_);
   return browser_frame_view_;
 }
 
 bool BrowserFrame::GetAccelerator(int command_id,
-                                  ui::Accelerator* accelerator) {
+                                  ui::Accelerator* accelerator) const {
   return browser_view_->GetAccelerator(command_id, accelerator);
 }
 
 ui::ThemeProvider* BrowserFrame::GetThemeProvider() const {
   return theme_provider_;
 }
 
 void BrowserFrame::SchedulePaintInRect(const gfx::Rect& rect) {
   views::Widget::SchedulePaintInRect(rect);
 
@@ skipping 80 matching lines @@
 bool BrowserFrame::ShouldLeaveOffsetNearTopBorder() {
   return !IsMaximized();
 }
 
 void BrowserFrame::OnUseCustomChromeFrameChanged() {
   // Tell the window manager to add or remove system borders.
   set_frame_type(UseCustomFrame() ? Widget::FRAME_TYPE_FORCE_CUSTOM
                                   : Widget::FRAME_TYPE_FORCE_NATIVE);
   FrameTypeChanged();
 }