Get rid of the EnableClose() infrastructure in Widget.

chrome/browser/chromeos/frame/bubble_frame_view.cc

 // Copyright (c) 2011 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/chromeos/frame/bubble_frame_view.h"
 
 #include <algorithm>
 
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/chromeos/frame/bubble_window.h"
@@ skipping 115 matching lines @@
 }
 
 int BubbleFrameView::NonClientHitTest(const gfx::Point& point) {
   return HTNOWHERE;
 }
 
 void BubbleFrameView::GetWindowMask(const gfx::Size& size,
                                     gfx::Path* window_mask) {
 }
 
-void BubbleFrameView::EnableClose(bool enable) {
-}
-
 void BubbleFrameView::ResetWindowControls() {
 }
 
 void BubbleFrameView::UpdateWindowIcon() {
 }
 
 gfx::Insets BubbleFrameView::GetInsets() const {
   return (style_ & STYLE_FLUSH) ?
          gfx::Insets() :
          gfx::Insets(kTitleTopPadding,
@@ skipping 68 matching lines @@
   canvas->GetSkCanvas()->drawPath(path, paint);
 }
 
 void BubbleFrameView::ButtonPressed(views::Button* sender,
                                     const views::Event& event) {
   if (close_button_ != NULL && sender == close_button_)
     frame_->Close();
 }
 
 }  // namespace chromeos