Make callers of CommandLine use it via the base:: namespace.

chrome/browser/ui/app_list/search/search_controller_factory.cc

Index: chrome/browser/ui/app_list/search/search_controller_factory.cc
diff --git a/chrome/browser/ui/app_list/search/search_controller_factory.cc b/chrome/browser/ui/app_list/search/search_controller_factory.cc
index 9e8523454aadebe19d18cd52a998ed3420575cee..b1746c00b8171b2566ea83d64942b7f7454c7cd7 100644
--- a/chrome/browser/ui/app_list/search/search_controller_factory.cc
+++ b/chrome/browser/ui/app_list/search/search_controller_factory.cc
@@ -55,8 +55,8 @@ scoped_ptr<SearchController> CreateSearchController(
   controller->AddProvider(Mixer::WEBSTORE_GROUP,
                           scoped_ptr<SearchProvider>(
                               new WebstoreProvider(profile, list_controller)));
-  if (!CommandLine::ForCurrentProcess()->HasSwitch(
-            switches::kDisablePeopleSearch)) {
+  if (!base::CommandLine::ForCurrentProcess()->HasSwitch(
+          switches::kDisablePeopleSearch)) {
     controller->AddProvider(Mixer::PEOPLE_GROUP,
                             scoped_ptr<SearchProvider>(
                                 new PeopleProvider(profile, list_controller)));