Remove unused param from search engine extension override helper function.

chrome/browser/ui/webui/options/browser_options_handler.cc

Index: chrome/browser/ui/webui/options/browser_options_handler.cc
diff --git a/chrome/browser/ui/webui/options/browser_options_handler.cc b/chrome/browser/ui/webui/options/browser_options_handler.cc
index 04464575bfb1e7a236370c0f6a087c52c0cbb376..9f608f0fe2654a7377cf6b32756d089d2811ae6d 100644
--- a/chrome/browser/ui/webui/options/browser_options_handler.cc
+++ b/chrome/browser/ui/webui/options/browser_options_handler.cc
@@ -1756,17 +1756,17 @@ void BrowserOptionsHandler::SetupExtensionControlledIndicators() {
   // Check if an extension is overriding the Search Engine.
   const extensions::Extension* extension =
       extensions::GetExtensionOverridingSearchEngine(
-          Profile::FromWebUI(web_ui()), NULL);
+          Profile::FromWebUI(web_ui()));
   AppendExtensionData("searchEngine", extension, &extension_controlled);
 
   // Check if an extension is overriding the Home page.
   extension = extensions::GetExtensionOverridingHomepage(
-      Profile::FromWebUI(web_ui()), NULL);
+      Profile::FromWebUI(web_ui()));
   AppendExtensionData("homePage", extension, &extension_controlled);
 
   // Check if an extension is overriding the Startup pages.
   extension = extensions::GetExtensionOverridingStartupPages(
-      Profile::FromWebUI(web_ui()), NULL);
+      Profile::FromWebUI(web_ui()));
   AppendExtensionData("startUpPage", extension, &extension_controlled);
 
   // Check if an extension is overriding the NTP page.