Incorporate comments in Dbus code and add Eol icon

chromeos/dbus/fake_update_engine_client.h

Index: chromeos/dbus/fake_update_engine_client.h
diff --git a/chromeos/dbus/fake_update_engine_client.h b/chromeos/dbus/fake_update_engine_client.h
index a1aa3aa8cbbf152dd3e8b58943ab6e2f30a18241..d3d1e131ab6d41a45404c223c0e0d3b2460a9540 100644
--- a/chromeos/dbus/fake_update_engine_client.h
+++ b/chromeos/dbus/fake_update_engine_client.h
@@ -77,6 +77,12 @@ class FakeUpdateEngineClient : public UpdateEngineClient {
   int can_rollback_call_count() const { return can_rollback_call_count_; }
 
  private:
+  void OnGetChannel(const GetChannelCallback& callback) { callback.Run(""); }

[xiyuan, 2016/06/21 15:18:14]

Don't inline this. Put the body in cc file.

[xiaoyinh(OOO Sep 11-29), 2016/06/22 18:25:40]

Done.

+
+  void OnGetEolStatus(const GetEolStatusCallback& callback) {

[xiyuan, 2016/06/21 15:18:14]

same here.

[xiaoyinh(OOO Sep 11-29), 2016/06/22 18:25:40]

Done.

+    callback.Run(update_engine::EndOfLifeStatus::kSupported);
+  }
+
   base::ObserverList<Observer> observers_;
   std::queue<UpdateEngineClient::Status> status_queue_;
   UpdateEngineClient::Status default_status_;
@@ -86,6 +92,8 @@ class FakeUpdateEngineClient : public UpdateEngineClient {
   int request_update_check_call_count_;
   int rollback_call_count_;
   int can_rollback_call_count_;
+
+  base::WeakPtrFactory<FakeUpdateEngineClient> weak_ptr_factory_;
 };
 
 }  // namespace chromeos