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

chrome/browser/app_mode/app_mode_utils.cc

Index: chrome/browser/app_mode/app_mode_utils.cc
diff --git a/chrome/browser/app_mode/app_mode_utils.cc b/chrome/browser/app_mode/app_mode_utils.cc
index 25b68555ded26980db20956fd40d0c763740c735..14c37bacff6eba4b0173acaa39fc6f5115ec4386 100644
--- a/chrome/browser/app_mode/app_mode_utils.cc
+++ b/chrome/browser/app_mode/app_mode_utils.cc
@@ -39,13 +39,13 @@ bool IsCommandAllowedInAppMode(int command_id) {
 }
 
 bool IsRunningInAppMode() {
-  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   return command_line->HasSwitch(switches::kKioskMode) ||
       IsRunningInForcedAppMode();
 }
 
 bool IsRunningInForcedAppMode() {
-  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   return command_line->HasSwitch(switches::kForceAppMode) &&
       command_line->HasSwitch(switches::kAppId);
 }