Switch from Delegate to Observer.

components/arc/arc_bridge_service_unittest.cc

 // Copyright 2015 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 <memory>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/run_loop.h"
 #include "base/single_thread_task_runner.h"
 #include "chromeos/dbus/dbus_thread_manager.h"
 #include "components/arc/arc_bridge_service_impl.h"
 #include "components/arc/test/fake_arc_bridge_bootstrap.h"
-#include "components/arc/test/fake_arc_bridge_instance.h"
 #include "mojo/public/cpp/system/message_pipe.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace arc {
 
 namespace {
 
 class DummyObserver : public ArcBridgeService::Observer {};
 
 }  // namespace
@@ skipping 166 matching lines @@
 }
 
 // Removing an unknown observer should be allowed.
 TEST_F(ArcBridgeTest, RemoveUnknownObserver) {
   ASSERT_FALSE(ready());
   auto dummy_observer = base::MakeUnique<DummyObserver>();
   service_->RemoveObserver(dummy_observer.get());
 }
 
 }  // namespace arc