Remove fake client creation from DBusClients' Create() functions.

chromeos/dbus/shill_service_client_unittest.cc

Index: chromeos/dbus/shill_service_client_unittest.cc
diff --git a/chromeos/dbus/shill_service_client_unittest.cc b/chromeos/dbus/shill_service_client_unittest.cc
index f83f805a1e4ddb8eb2a8dd2ddc8514ac04a88ddb..6b63dc9940c18ed3295c33ca5ad64a3472402e45 100644
--- a/chromeos/dbus/shill_service_client_unittest.cc
+++ b/chromeos/dbus/shill_service_client_unittest.cc
@@ -33,7 +33,7 @@ class ShillServiceClientTest : public ShillClientUnittestBase {
   virtual void SetUp() {
     ShillClientUnittestBase::SetUp();
     // Create a client with the mock bus.
-    client_.reset(ShillServiceClient::Create(REAL_DBUS_CLIENT_IMPLEMENTATION));
+    client_.reset(ShillServiceClient::Create());
     client_->Init(mock_bus_.get());
     // Run the message loop to run the signal connection result callback.
     message_loop_.RunUntilIdle();