cleanup: Use EventRouter instead of ExtensionSystem::Get->event_router()

chrome/browser/extensions/api/bluetooth/bluetooth_api_unittest.cc

 // Copyright 2014 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 <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/run_loop.h"
@@ skipping 139 matching lines @@
   BluetoothAPI::Get(test_profile_)->event_router()->AddProfile(
       kAudioProfileUuid, kTestExtensionId, &mock_audio_profile_);
 
   BluetoothAPI::Get(test_profile_)->DispatchConnectionEvent(
       kTestExtensionId, kAudioProfileUuid, &mock_device, mock_socket);
   // Connection events are dispatched using a couple of PostTask to the UI
   // thread. Waiting until idle ensures the event is dispatched to the
   // receiver(s).
   base::RunLoop().RunUntilIdle();
 
-  FakeEventRouter* fake_event_router = static_cast<FakeEventRouter*>(
-      ExtensionSystem::Get(test_profile_)->event_router());
+  FakeEventRouter* fake_event_router =
+      static_cast<FakeEventRouter*>(EventRouter::Get(test_profile_));
 
   ASSERT_TRUE(fake_event_router->event());
   EXPECT_STREQ(kTestExtensionId, fake_event_router->extension_id().c_str());
   EXPECT_STREQ(bluetooth::OnConnection::kEventName,
                fake_event_router->event()->event_name.c_str());
 
   base::ListValue* event_args = fake_event_router->event()->event_args.get();
   base::DictionaryValue* socket_value = NULL;
   ASSERT_TRUE(event_args->GetDictionary(0, &socket_value));
   int socket_id;
@@ skipping 18 matching lines @@
       new testing::NiceMock<device::MockBluetoothSocket>());
 
   // Connection event won't be dispatched for non-registered profiles.
   BluetoothAPI::Get(test_profile_)->DispatchConnectionEvent(
       kTestExtensionId, kAudioProfileUuid, &mock_device, mock_socket);
   // Connection events are dispatched using a couple of PostTask to the UI
   // thread. Waiting until idle ensures the event is dispatched to the
   // receiver(s).
   base::RunLoop().RunUntilIdle();
 
-  FakeEventRouter* fake_event_router = static_cast<FakeEventRouter*>(
-      ExtensionSystem::Get(test_profile_)->event_router());
+  FakeEventRouter* fake_event_router =
+      static_cast<FakeEventRouter*>(EventRouter::Get(test_profile_));
   EXPECT_TRUE(fake_event_router->event() == NULL);
 
   EXPECT_CALL(*mock_adapter_, RemoveObserver(testing::_)).Times(1);
 }
 
 }  // namespace extensions