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

chrome/browser/supervised_user/permission_request_creator_apiary.cc

Index: chrome/browser/supervised_user/permission_request_creator_apiary.cc
diff --git a/chrome/browser/supervised_user/permission_request_creator_apiary.cc b/chrome/browser/supervised_user/permission_request_creator_apiary.cc
index e64a8b73ca423c61cb9116b396ade2da539a39fa..3624fa8ff92787db7a17859075c813587ce8fa16 100644
--- a/chrome/browser/supervised_user/permission_request_creator_apiary.cc
+++ b/chrome/browser/supervised_user/permission_request_creator_apiary.cc
@@ -105,10 +105,10 @@ void PermissionRequestCreatorApiary::CreatePermissionRequest(
 }
 
 GURL PermissionRequestCreatorApiary::GetApiUrl() const {
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kPermissionRequestApiUrl)) {
-    GURL url(CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
-                 switches::kPermissionRequestApiUrl));
+    GURL url(base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+        switches::kPermissionRequestApiUrl));
     LOG_IF(WARNING, !url.is_valid())
         << "Got invalid URL for " << switches::kPermissionRequestApiUrl;
     return url;
@@ -118,9 +118,9 @@ GURL PermissionRequestCreatorApiary::GetApiUrl() const {
 }
 
 std::string PermissionRequestCreatorApiary::GetApiScope() const {
-  if (CommandLine::ForCurrentProcess()->HasSwitch(
+  if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kPermissionRequestApiScope)) {
-    return CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+    return base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
         switches::kPermissionRequestApiScope);
   } else {
     return kApiScope;