Fixes crash on startup with compact nav. A recent change meant it's

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

 // Copyright (c) 2011 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/ui/views/frame/browser_view.h"
 
 #if defined(TOOLKIT_USES_GTK)
 #include <gtk/gtk.h>
 #endif
 
@@ skipping 1353 matching lines @@
 #endif
 
 ///////////////////////////////////////////////////////////////////////////////
 // BrowserView, BrowserWindowTesting implementation:
 
 BookmarkBarView* BrowserView::GetBookmarkBarView() const {
   return bookmark_bar_view_.get();
 }
 
 LocationBarView* BrowserView::GetLocationBarView() const {
-  if (UseCompactNavigationBar()) {
+  if (UseCompactNavigationBar() && compact_location_bar_view_host_.get()) {
     return compact_location_bar_view_host_->GetCompactLocationBarView()->
         location_bar_view();
   } else {
     return toolbar_ ? toolbar_->location_bar() : NULL;
   }
 }
 
 views::View* BrowserView::GetTabContentsContainerView() const {
   return contents_container_->GetFocusView();
 }
@@ skipping 1258 matching lines @@
   view->GetWidget()->non_client_view()->SetAccessibleName(
       l10n_util::GetStringUTF16(IDS_PRODUCT_NAME));
   return view;
 }
 #endif
 
 // static
 FindBar* BrowserWindow::CreateFindBar(Browser* browser) {
   return browser::CreateFindBar(static_cast<BrowserView*>(browser->window()));
 }