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

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

Index: chrome/browser/extensions/api/bluetooth/bluetooth_api_unittest.cc
diff --git a/chrome/browser/extensions/api/bluetooth/bluetooth_api_unittest.cc b/chrome/browser/extensions/api/bluetooth/bluetooth_api_unittest.cc
index b13909f9d9ae4146e65fed5a578a98aa2a379c1c..45da930d330b024b84d1d5729cb41c3ba6d741ad 100644
--- a/chrome/browser/extensions/api/bluetooth/bluetooth_api_unittest.cc
+++ b/chrome/browser/extensions/api/bluetooth/bluetooth_api_unittest.cc
@@ -157,8 +157,8 @@ TEST_F(ExtensionBluetoothApiTest, DispatchConnectionEvent) {
   // 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());
@@ -197,8 +197,8 @@ TEST_F(ExtensionBluetoothApiTest, DoNotDispatchConnectionEvent) {
   // 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);