Remove unused param from search engine extension override helper function.

chrome/browser/extensions/settings_api_bubble_controller.cc

 // Copyright (c) 2014 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/extensions/settings_api_bubble_controller.h"
 
 #include "base/metrics/histogram.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/settings_api_helpers.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 80 matching lines @@
   if (!extension)
     return false;  // The extension provided is no longer enabled.
 
   extensions::ExtensionPrefs* prefs = extensions::ExtensionPrefs::Get(profile_);
   if (prefs->HasSettingsApiBubbleBeenAcknowledged(extension_id))
     return false;
 
   const extensions::Extension* override = NULL;
   switch (type_) {
     case extensions::BUBBLE_TYPE_HOME_PAGE:
-      override = extensions::OverridesHomepage(profile_, NULL);
+      override = extensions::OverridesHomepage(profile_);
       break;
     case extensions::BUBBLE_TYPE_STARTUP_PAGES:
-      override = extensions::OverridesStartupPages(profile_, NULL);
+      override = extensions::OverridesStartupPages(profile_);
       break;
     case extensions::BUBBLE_TYPE_SEARCH_ENGINE:
-      override = extensions::OverridesSearchEngine(profile_, NULL);
+      override = extensions::OverridesSearchEngine(profile_);
       break;
   }
 
   if (!override || override->id() != extension->id())
     return false;
 
   extension_id_ = extension_id;
   return true;
 }
 
@@ skipping 189 matching lines @@
   return true;
 }
 
 bool SettingsApiBubbleController::CloseOnDeactivate() {
   // Startup bubbles tend to get lost in the focus storm that happens on
   // startup. Other types should dismiss on focus loss.
   return type_ != BUBBLE_TYPE_STARTUP_PAGES;
 }
 
 }  // namespace extensions