Stub a function for Mac to get it to compile with my recent change.

chrome/browser/browser_window_cocoa.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 "base/gfx/rect.h"
 #include "base/logging.h"
 #include "chrome/browser/browser_window_cocoa.h"
 #include "chrome/browser/browser_window_controller.h"
 
 BrowserWindowCocoa::BrowserWindowCocoa(BrowserWindowController* controller, 
@@ skipping 77 matching lines @@
 }
 
 gfx::Rect BrowserWindowCocoa::GetRootWindowResizerRect() const {
   return gfx::Rect();
 }
 
 LocationBar* BrowserWindowCocoa::GetLocationBar() const {
   return [controller_ locationBar];
 }
 
+void BrowserWindowCocoa::SetFocusToLocationBar() {
+  NOTIMPLEMENTED();
+}
+
 void BrowserWindowCocoa::UpdateStopGoState(bool is_loading) {
   NOTIMPLEMENTED();
 }
 
 void BrowserWindowCocoa::UpdateToolbar(TabContents* contents,
                                        bool should_restore_state) {
   [controller_ updateToolbarWithContents:contents 
                       shouldRestoreState:should_restore_state ? YES : NO];
 }
 
@@ skipping 60 matching lines @@
                                         void* parent_window) {
   NOTIMPLEMENTED();
 }
                             
 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.
 }