NULL check GetFocusManager() before using it in ChromeWebContentsViewDelegateWin::StoreFocus().

chrome/browser/tab_contents/chrome_web_contents_view_delegate_win.cc

 // Copyright (c) 2012 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/tab_contents/chrome_web_contents_view_delegate_win.h"
 
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/tab_contents/web_drag_bookmark_handler_win.h"
 #include "chrome/browser/ui/constrained_window_tab_helper.h"
 #include "chrome/browser/ui/sad_tab_helper.h"
@@ skipping 63 matching lines @@
 void ChromeWebContentsViewDelegateWin::TakeFocus(bool reverse) {
   GetFocusManager()->AdvanceFocus(reverse);
 }
 
 void ChromeWebContentsViewDelegateWin::StoreFocus() {
   views::ViewStorage* view_storage = views::ViewStorage::GetInstance();
 
   if (view_storage->RetrieveView(last_focused_view_storage_id_) != NULL)
     view_storage->RemoveView(last_focused_view_storage_id_);
 
+  if (!GetFocusManager())
+    return;
   views::View* focused_view = GetFocusManager()->GetFocusedView();
   if (focused_view)
     view_storage->StoreView(last_focused_view_storage_id_, focused_view);
 }
 
 void ChromeWebContentsViewDelegateWin::RestoreFocus() {
   views::ViewStorage* view_storage = views::ViewStorage::GetInstance();
   views::View* last_focused_view =
       view_storage->RetrieveView(last_focused_view_storage_id_);
 
@@ skipping 59 matching lines @@
   return toplevel_widget ? toplevel_widget->GetFocusManager() : NULL;
 }
 
 void ChromeWebContentsViewDelegateWin::SetInitialFocus() {
   if (web_contents_->FocusLocationBarByDefault()) {
     web_contents_->SetFocusToLocationBar(false);
   } else {
     web_contents_->GetView()->Focus();
   }
 }