Fixes use after free during drag and drop.

chrome/browser/ui/views/frame/desktop_browser_frame_aura.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/desktop_browser_frame_aura.h"
 
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/ui/views/frame/browser_desktop_root_window_host.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/frame/desktop_user_action_handler_aura.h"
@@ skipping 19 matching lines @@
     BrowserFrame* browser_frame,
     BrowserView* browser_view)
     : views::DesktopNativeWidgetAura(browser_frame),
       browser_view_(browser_view),
       browser_frame_(browser_frame),
       browser_desktop_root_window_host_(NULL) {
   GetNativeWindow()->SetName("BrowserFrameAura");
 }
 
 ///////////////////////////////////////////////////////////////////////////////
+// DesktopBrowserFrameAura, protected:
+
+DesktopBrowserFrameAura::~DesktopBrowserFrameAura() {
+}
+
+///////////////////////////////////////////////////////////////////////////////
 // DesktopBrowserFrameAura, views::DesktopNativeWidgetAura overrides:
 
 void DesktopBrowserFrameAura::InitNativeWidget(
     const views::Widget::InitParams& params) {
   browser_desktop_root_window_host_ =
       BrowserDesktopRootWindowHost::CreateBrowserDesktopRootWindowHost(
           browser_frame_,
           this,
           params.bounds,
           browser_view_,
@@ skipping 34 matching lines @@
 bool DesktopBrowserFrameAura::UsesNativeSystemMenu() const {
   return browser_desktop_root_window_host_->UsesNativeSystemMenu();
 }
 
 int DesktopBrowserFrameAura::GetMinimizeButtonOffset() const {
   return browser_desktop_root_window_host_->GetMinimizeButtonOffset();
 }
 
 void DesktopBrowserFrameAura::TabStripDisplayModeChanged() {
 }
-
-///////////////////////////////////////////////////////////////////////////////
-// DesktopBrowserFrameAura, private:
-
-DesktopBrowserFrameAura::~DesktopBrowserFrameAura() {
-}