Revert r203922, "Quickly close tabs/window with long-running unload handlers."

chrome/browser/ui/views/frame/browser_view.cc

Index: chrome/browser/ui/views/frame/browser_view.cc
diff --git a/chrome/browser/ui/views/frame/browser_view.cc b/chrome/browser/ui/views/frame/browser_view.cc
index c678f8cf60c890130899c475c0635866d8ae7280..9039de9552af74ae144774fa5aeb5e85ab281ff5 100644
--- a/chrome/browser/ui/views/frame/browser_view.cc
+++ b/chrome/browser/ui/views/frame/browser_view.cc
@@ -1831,13 +1831,6 @@ bool BrowserView::CanClose() {
     // down. When the tab strip is empty we'll be called back again.
     frame_->Hide();
     browser_->OnWindowClosing();
-    browser_->tab_strip_model()->CloseAllTabs();
-    return false;
-  } else if (!browser_->HasCompletedUnloadProcessing()) {
-    // The browser needs to finish running unload handlers.
-    // Hide the frame (so it appears to have closed immediately), and
-    // the browser will call us back again when it is ready to close.
-    frame_->Hide();
     return false;
   }