Fixes use after free during drag and drop.

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/i18n/rtl.h"
 #include "chrome/browser/app_mode/app_mode_utils.h"
 #include "chrome/browser/themes/theme_service.h"
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window_state.h"
 #include "chrome/browser/ui/views/frame/browser_non_client_frame_view.h"
 #include "chrome/browser/ui/views/frame/browser_root_view.h"
 #include "chrome/browser/ui/views/frame/browser_view.h"
 #include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
 #include "chrome/browser/ui/views/frame/native_browser_frame.h"
+#include "chrome/browser/ui/views/frame/native_browser_frame_factory.h"
 #include "chrome/browser/ui/views/frame/system_menu_model_builder.h"
 #include "chrome/browser/ui/views/frame/top_container_view.h"
 #include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/chrome_switches.h"
 #include "ui/aura/root_window.h"
 #include "ui/aura/window.h"
 #include "ui/base/hit_test.h"
 #include "ui/base/theme_provider.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/controls/menu/menu_runner.h"
@@ skipping 25 matching lines @@
   set_is_secondary_widget(false);
   // Don't focus anything on creation, selecting a tab will set the focus.
   set_focus_on_creation(false);
 }
 
 BrowserFrame::~BrowserFrame() {
 }
 
 void BrowserFrame::InitBrowserFrame() {
   native_browser_frame_ =
-      NativeBrowserFrame::CreateNativeBrowserFrame(this, browser_view_);
+      NativeBrowserFrameFactory::CreateNativeBrowserFrame(this, browser_view_);
   views::Widget::InitParams params;
   params.delegate = browser_view_;
   params.native_widget = native_browser_frame_->AsNativeWidget();
   if (browser_view_->browser()->is_type_tabbed()) {
     // Typed panel/popup can only return a size once the widget has been
     // created.
     chrome::GetSavedWindowBoundsAndShowState(browser_view_->browser(),
                                              &params.bounds,
                                              &params.show_state);
   }
@@ skipping 159 matching lines @@
 
 AvatarMenuButton* BrowserFrame::GetAvatarMenuButton() {
   return browser_frame_view_->avatar_button();
 }
 
 #if !defined(OS_WIN) || defined(USE_AURA)
 bool BrowserFrame::ShouldLeaveOffsetNearTopBorder() {
   return !IsMaximized();
 }
 #endif  // OS_WIN