Remove unused param from search engine extension override helper function.

chrome/browser/ui/views/extensions/extension_message_bubble_view.cc

 // Copyright (c) 2013 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/extensions/extension_message_bubble_view.h"
 
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/dev_mode_bubble_controller.h"
@@ skipping 322 matching lines @@
 }
 
 bool ExtensionMessageBubbleFactory::MaybeShowStartupOverrideExtensionsBubble(
     views::View* anchor_view) {
 #if !defined(OS_WIN)
   return false;
 #endif
 
   DCHECK(!shown_startup_override_extensions_bubble_);
 
-  const Extension* extension = OverridesStartupPages(profile_, NULL);
+  const Extension* extension = OverridesStartupPages(profile_);
   if (!extension)
     return false;
 
   scoped_ptr<SettingsApiBubbleController> settings_api_bubble(
       new SettingsApiBubbleController(profile_,
                                       BUBBLE_TYPE_STARTUP_PAGES));
   if (!settings_api_bubble->ShouldShow(extension->id()))
     return false;
 
   shown_startup_override_extensions_bubble_ = true;
@@ skipping 116 matching lines @@
 }
 
 void ExtensionMessageBubbleFactory::Finish() {
   MaybeStopObserving();
   controller_.reset();
   anchor_view_ = NULL;
   container_ = NULL;
 }
 
 }  // namespace extensions