Move DBusClient stub implementations into separate files.

chromeos/dbus/modem_messaging_client_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chromeos/dbus/modem_messaging_client.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/values.h"
 #include "dbus/message.h"
@@ skipping 67 matching lines @@
     // Set an expectation so mock_bus's GetObjectProxy() for the given
     // service name and the object path will return mock_proxy_.
     EXPECT_CALL(*mock_bus_.get(),
                 GetObjectProxy(kServiceName, dbus::ObjectPath(kObjectPath)))
         .WillOnce(Return(mock_proxy_.get()));
 
     // ShutdownAndBlock() will be called in TearDown().
     EXPECT_CALL(*mock_bus_.get(), ShutdownAndBlock()).WillOnce(Return());
 
     // Create a client with the mock bus.
-    client_.reset(
-        ModemMessagingClient::Create(REAL_DBUS_CLIENT_IMPLEMENTATION));
+    client_.reset(ModemMessagingClient::Create());
     client_->Init(mock_bus_.get());
   }
 
   virtual void TearDown() OVERRIDE {
     mock_bus_->ShutdownAndBlock();
   }
 
   // Handles Delete method call.
   void OnDelete(dbus::MethodCall* method_call,
                 int timeout_ms,
@@ skipping 134 matching lines @@
   // Call List.
   client_->List(kServiceName, dbus::ObjectPath(kObjectPath),
                 base::Bind(&MockListCallback::Run,
                            base::Unretained(&callback)));
 
   // Run the message loop.
   message_loop_.RunUntilIdle();
 }
 
 }  // namespace chromeos