Fix the URL status bubble overlapping the Mac download shelf

chrome/browser/browser.cc

 // Copyright (c) 2006-2009 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 "chrome/browser/browser.h"
 
 #include "app/animation.h"
 #include "app/l10n_util.h"
 #include "base/command_line.h"
 #include "base/idle_timer.h"
@@ skipping 1857 matching lines @@
   if (!GetStatusBubble())
     return;
 
   if (source == GetSelectedTabContents()) {
     PrefService* prefs = profile_->GetPrefs();
     GetStatusBubble()->SetURL(url, prefs->GetString(prefs::kAcceptLanguages));
   }
 }
 
 void Browser::UpdateDownloadShelfVisibility(bool visible) {
-  GetStatusBubble()->UpdateDownloadShelfVisibility(visible);
+  if (GetStatusBubble())
+    GetStatusBubble()->UpdateDownloadShelfVisibility(visible);
 }
 
 void Browser::ContentsZoomChange(bool zoom_in) {
   ExecuteCommand(zoom_in ? IDC_ZOOM_PLUS : IDC_ZOOM_MINUS);
 }
 
 void Browser::TabContentsFocused(TabContents* tab_content) {
   window_->TabContentsFocused(tab_content);
 }
 
@@ skipping 514 matching lines @@
       ++cur_update;
     }
   }
 }
 
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, Getters for UI (private):
 
 StatusBubble* Browser::GetStatusBubble() {
-  return window_->GetStatusBubble();
+  return window_ ? window_->GetStatusBubble() : NULL;
 }
 
 ///////////////////////////////////////////////////////////////////////////////
 // Browser, Session restore functions (private):
 
 void Browser::SyncHistoryWithTabs(int index) {
   if (!profile()->HasSessionService())
     return;
   SessionService* session_service = profile()->GetSessionService();
   if (session_service) {
@@ skipping 349 matching lines @@
 ///////////////////////////////////////////////////////////////////////////////
 // BrowserToolbarModel (private):
 
 NavigationController* Browser::BrowserToolbarModel::GetNavigationController() {
   // This |current_tab| can be NULL during the initialization of the
   // toolbar during window creation (i.e. before any tabs have been added
   // to the window).
   TabContents* current_tab = browser_->GetSelectedTabContents();
   return current_tab ? &current_tab->controller() : NULL;
 }