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

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index c18459905f6005a4e92cec5382f889767a883a07..539639ae30019db2103e97fcdd5e230f8c53132a 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -586,6 +586,14 @@ bool Browser::ShouldCloseWindow() {
   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();
 }
@@ -629,8 +637,6 @@ void Browser::OnWindowClosing() {
       chrome::NOTIFICATION_BROWSER_CLOSING,
       content::Source<Browser>(this),
       content::NotificationService::NoDetails());
-
-  tab_strip_model_->CloseAllTabs();
 }
 
 ////////////////////////////////////////////////////////////////////////////////
@@ -1167,10 +1173,6 @@ void Browser::HandleKeyboardEvent(content::WebContents* source,
   window()->HandleKeyboardEvent(event);
 }
 
-bool Browser::TabsNeedBeforeUnloadFired() {
-  return unload_controller_->TabsNeedBeforeUnloadFired();
-}
-
 bool Browser::IsMouseLocked() const {
   return fullscreen_controller_->IsMouseLocked();
 }