Clean Up: Remove ibus namespace.

chromeos/dbus/dbus_thread_manager.h

Index: chromeos/dbus/dbus_thread_manager.h
diff --git a/chromeos/dbus/dbus_thread_manager.h b/chromeos/dbus/dbus_thread_manager.h
index 6c8cc26b0f30ef14b334e32cb8d5223abd283565..f1631233e6322df2a8dc93a51db16536648ca281 100644
--- a/chromeos/dbus/dbus_thread_manager.h
+++ b/chromeos/dbus/dbus_thread_manager.h
@@ -40,6 +40,7 @@ class IBusConfigClient;
 class IBusEngineFactoryService;
 class IBusEngineService;
 class IBusInputContextClient;
+class IBusPanelService;
 class ImageBurnerClient;
 class IntrospectableClient;
 class ModemMessagingClient;
@@ -55,11 +56,6 @@ class ShillServiceClient;
 class SpeechSynthesizerClient;
 class UpdateEngineClient;
 
-// TODO(nona): Remove ibus namespace after complete libibus removal.
-namespace ibus {
-class IBusPanelService;
-}  // namespace ibus
-
 // DBusThreadManager manages the D-Bus thread, the thread dedicated to
 // handling asynchronous D-Bus operations.
 //
@@ -135,7 +131,7 @@ class CHROMEOS_EXPORT DBusThreadManager {
   virtual IBusEngineService* GetIBusEngineService(
       const dbus::ObjectPath& object_path) = 0;
   virtual IBusInputContextClient* GetIBusInputContextClient() = 0;
-  virtual ibus::IBusPanelService* GetIBusPanelService() = 0;
+  virtual IBusPanelService* GetIBusPanelService() = 0;
   virtual ImageBurnerClient* GetImageBurnerClient() = 0;
   virtual IntrospectableClient* GetIntrospectableClient() = 0;
   virtual ModemMessagingClient* GetModemMessagingClient() = 0;