DeferredAutoreleasePool didn't work on Snow Leopard

chrome/browser/cocoa/browser_window_controller.mm

 // Copyright (c) 2009 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 <Carbon/Carbon.h>
 
 #include "base/mac_util.h"
 #include "base/scoped_nsdisable_screen_updates.h"
 #import "base/scoped_nsobject.h"
 #include "base/sys_string_conversions.h"
@@ skipping 219 matching lines @@
 
   [super dealloc];
 }
 
 // Access the C++ bridge between the NSWindow and the rest of Chromium
 - (BrowserWindow*)browserWindow {
   return windowShim_.get();
 }
 
 - (void)destroyBrowser {
+  [NSApp removeWindowsItem:[self window]];
+
   // We need the window to go away now.
-  [self close];
+  // We can't actually use |-autorelease| here because there's an embedded
+  // run loop in the |-performClose:| which contains its own autorelease pool.
+  // Instead we use call it after a zero-length delay, which gets us back
+  // to the main event loop.
+  [self performSelector:@selector(autorelease)
+             withObject:nil
+             afterDelay:0];
 }
 
 // Called when the window meets the criteria to be closed (ie,
 // |-windowShouldClose:| returns YES). We must be careful to preserve the
 // semantics of BrowserWindow::Close() and not call the Browser's dtor directly
 // from this method.
 - (void)windowWillClose:(NSNotification*)notification {
   DCHECK_EQ([notification object], [self window]);
   DCHECK(!browser_->tabstrip_model()->count());
   [savedRegularWindow_ close];
   [bookmarkBubbleController_ close];
   // We delete statusBubble here because we need to kill off the dependency
   // that its window has on our window before our window goes away.
   delete statusBubble_;
   statusBubble_ = NULL;
-  [self autorelease];
+  // We can't actually use |-autorelease| here because there's an embedded
+  // run loop in the |-performClose:| which contains its own autorelease pool.
+  // Instead we call it after a zero-length delay, which gets us back
+  // to the main event loop.
+  [self performSelector:@selector(autorelease)
+             withObject:nil
+             afterDelay:0];
 }
 
 - (void)attachConstrainedWindow:(ConstrainedWindowMac*)window {
   [tabStripController_ attachConstrainedWindow:window];
 }
 
 - (void)removeConstrainedWindow:(ConstrainedWindowMac*)window {
   [tabStripController_ removeConstrainedWindow:window];
 }
 
@@ skipping 1252 matching lines @@
   if (frameOverlayInactiveImage) {
     [theme setValue:frameOverlayInactiveImage
        forAttribute:@"overlay"
               style:GTMThemeStyleWindow
               state:GTMThemeStateInactiveWindow];
   }
 
   return theme;
 }
 @end