Quickly close tabs/window with long-running unload handlers.

chrome/browser/ui/browser.cc

 // Copyright 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/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // defined(OS_WIN)
@@ skipping 568 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, OnBeforeUnload handling:
 
 bool Browser::ShouldCloseWindow() {
   if (!CanCloseWithInProgressDownloads())
     return false;
 
   return unload_controller_->ShouldCloseWindow();
 }
 
+bool Browser::TabsNeedBeforeUnloadFired() {
+  return unload_controller_->TabsNeedBeforeUnloadFired();
+}
+
+bool Browser::HasCompletedUnloadProcessing() const {
+  return unload_controller_->HasCompletedUnloadProcessing();
+}
+
 bool Browser::IsAttemptingToCloseBrowser() const {
   return unload_controller_->is_attempting_to_close_browser();
 }
 
 void Browser::OnWindowClosing() {
   if (!ShouldCloseWindow())
     return;
 
   // Application should shutdown on last window close if the user is explicitly
   // trying to quit, or if there is nothing keeping the browser alive (such as
@@ skipping 23 matching lines @@
 #endif
 
   if (tab_restore_service && is_type_tabbed() && tab_strip_model_->count())
     tab_restore_service->BrowserClosing(tab_restore_service_delegate());
 
   // TODO(sky): convert session/tab restore to use notification.
   content::NotificationService::current()->Notify(
       chrome::NOTIFICATION_BROWSER_CLOSING,
       content::Source<Browser>(this),
       content::NotificationService::NoDetails());
-
-  tab_strip_model_->CloseAllTabs();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // In-progress download termination handling:
 
 void Browser::InProgressDownloadResponse(bool cancel_downloads) {
   if (cancel_downloads) {
     cancel_download_confirmation_state_ = RESPONSE_RECEIVED;
     chrome::CloseWindow(this);
     return;
@@ skipping 516 matching lines @@
     return true;
   }
   return window()->PreHandleKeyboardEvent(event, is_keyboard_shortcut);
 }
 
 void Browser::HandleKeyboardEvent(content::WebContents* source,
                                   const NativeWebKeyboardEvent& event) {
   window()->HandleKeyboardEvent(event);
 }
 
-bool Browser::TabsNeedBeforeUnloadFired() {
-  return unload_controller_->TabsNeedBeforeUnloadFired();
-}
-
 bool Browser::IsMouseLocked() const {
   return fullscreen_controller_->IsMouseLocked();
 }
 
 void Browser::OnWindowDidShow() {
   if (window_has_shown_)
     return;
   window_has_shown_ = true;
 
 // CurrentProcessInfo::CreationTime() is currently only implemented on Mac and
@@ skipping 1029 matching lines @@
   if (contents && !allow_js_access) {
     contents->web_contents()->GetController().LoadURL(
         target_url,
         content::Referrer(),
         content::PAGE_TRANSITION_LINK,
         std::string());  // No extra headers.
   }
 
   return contents != NULL;
 }