Clean Up: Remove ibus namespace.

chromeos/dbus/ibus/mock_ibus_client.h

Index: chromeos/dbus/ibus/mock_ibus_client.h
diff --git a/chromeos/dbus/ibus/mock_ibus_client.h b/chromeos/dbus/ibus/mock_ibus_client.h
index 215447f67218675cb24474e609c74aa781cb7482..a37a38b304cf20ae98017786f03c3528aa134e58 100644
--- a/chromeos/dbus/ibus/mock_ibus_client.h
+++ b/chromeos/dbus/ibus/mock_ibus_client.h
@@ -20,7 +20,7 @@ class MockIBusClient : public IBusClient {
                               const CreateInputContextCallback& callback,
                               const ErrorCallback& error_callback)>
       CreateInputContextHandler;
-  typedef base::Callback<void(const ibus::IBusComponent& ibus_component,
+  typedef base::Callback<void(const IBusComponent& ibus_component,
                               const RegisterComponentCallback& callback,
                               const ErrorCallback& error_callback)>
       RegisterComponentHandler;
@@ -31,7 +31,7 @@ class MockIBusClient : public IBusClient {
                                   const ErrorCallback& error_callback) OVERRIDE;
 
   // IBusClient override.
-  virtual void RegisterComponent(const ibus::IBusComponent& ibus_component,
+  virtual void RegisterComponent(const IBusComponent& ibus_component,
                                  const RegisterComponentCallback& callback,
                                  const ErrorCallback& error_callback) OVERRIDE;