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

chromeos/dbus/dbus_thread_manager.cc

Index: chromeos/dbus/dbus_thread_manager.cc
diff --git a/chromeos/dbus/dbus_thread_manager.cc b/chromeos/dbus/dbus_thread_manager.cc
index a42a7b0726f14ff09edcba1ec4be186864b82676..fdcc2025ab666907ac238bc6e5a2af4548703136 100644
--- a/chromeos/dbus/dbus_thread_manager.cc
+++ b/chromeos/dbus/dbus_thread_manager.cc
@@ -354,14 +354,14 @@ void DBusThreadManager::Initialize() {
 
   CHECK(!g_dbus_thread_manager);
   bool use_dbus_stub = !base::SysInfo::IsRunningOnChromeOS() ||
-      CommandLine::ForCurrentProcess()->HasSwitch(
-          chromeos::switches::kDbusStub);
-  bool force_unstub_clients = CommandLine::ForCurrentProcess()->HasSwitch(
+                       base::CommandLine::ForCurrentProcess()->HasSwitch(
+                           chromeos::switches::kDbusStub);
+  bool force_unstub_clients = base::CommandLine::ForCurrentProcess()->HasSwitch(
       chromeos::switches::kDbusUnstubClients);
   // Determine whether we use stub or real client implementations.
   if (force_unstub_clients) {
     InitializeWithPartialStub(
-        CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
+        base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
             chromeos::switches::kDbusUnstubClients));
   } else if (use_dbus_stub) {
     InitializeWithStubs();