Making window.focus() work in Chrome

chrome/browser/cocoa/browser_window_cocoa.mm

 // Copyright (c) 2010 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/cocoa/browser_window_cocoa.h"
 
 #include "app/l10n_util_mac.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/sys_string_conversions.h"
@@ skipping 89 matching lines @@
     // involves a (indirect) recursion on |-performClose:|, which is also bad.
     [window() orderOut:controller_];
     [window() performClose:controller_];
   }
 }
 
 void BrowserWindowCocoa::Activate() {
   [controller_ activate];
 }
 
+void BrowserWindowCocoa::Deactivate() {
+  // TODO(jcivelli): http://crbug.com/51364 Implement me.
+  NOTIMPLEMENTED();
+}
+
 void BrowserWindowCocoa::FlashFrame() {
   [NSApp requestUserAttention:NSInformationalRequest];
 }
 
 bool BrowserWindowCocoa::IsActive() const {
   return [window() isKeyWindow];
 }
 
 gfx::NativeWindow BrowserWindowCocoa::GetNativeHandle() {
   return window();
@@ skipping 454 matching lines @@
 void BrowserWindowCocoa::DestroyBrowser() {
   [controller_ destroyBrowser];
 
   // at this point the controller is dead (autoreleased), so
   // make sure we don't try to reference it any more.
 }
 
 NSWindow* BrowserWindowCocoa::window() const {
   return [controller_ window];
 }