ash: Fix a couple issues in ChromeShellDelegate::Search

chrome/browser/ui/views/ash/chrome_shell_delegate.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/ui/views/ash/chrome_shell_delegate.h"
 
 #include "ash/launcher/launcher_types.h"
 #include "ash/system/tray/system_tray_delegate.h"
 #include "ash/wm/partial_screenshot_view.h"
 #include "ash/wm/window_util.h"
@@ skipping 116 matching lines @@
       MessageLoop::current()->PostTask(
           FROM_HERE, base::Bind(&ChromeShellDelegate::Search,
                                 weak_factory_.GetWeakPtr()));
       return;
     }
   }
 
   Browser* target_browser = Browser::GetOrCreateTabbedBrowser(
       last_active ? last_active->profile() :
                     ProfileManager::GetDefaultProfileOrOffTheRecord());
-  const GURL& url = target_browser->GetSelectedWebContents()->GetURL();
+  const GURL& url = target_browser->GetSelectedWebContents() ?
+      target_browser->GetSelectedWebContents()->GetURL() : GURL();
   if (url.SchemeIs(chrome::kChromeUIScheme) &&
       url.host() == chrome::kChromeUINewTabHost) {
     // If the NTP is showing, focus the omnibox.
     target_browser->window()->SetFocusToLocationBar(true);
   } else {
     target_browser->NewTab();
   }
+  target_browser->window()->Show();
 }
 
 void ChromeShellDelegate::OpenFileManager() {
 #if defined(OS_CHROMEOS)
   file_manager_util::OpenApplication();
 #endif
 }
 
 void ChromeShellDelegate::OpenCrosh() {
 #if defined(OS_CHROMEOS)
@@ skipping 75 matching lines @@
       ash::Shell::GetInstance()->CreateLauncher();
       break;
     default:
       NOTREACHED() << "Unexpected notification " << type;
   }
 #else
   // MSVC++ warns about switch statements without any cases.
   NOTREACHED() << "Unexpected notification " << type;
 #endif
 }