[chrome.displaySource] DisplaySourceConnectionDelegate::Connection interface

extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.h

Index: extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.h
diff --git a/extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.h b/extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.h
index 6348b12e0fb7cb7444ccf37669a2f9ad757b3b62..8120b70dd7081e6273d20412cb53c4ad436bde85 100644
--- a/extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.h
+++ b/extensions/browser/api/display_source/wifi_display/wifi_display_session_service_impl.h
@@ -39,14 +39,22 @@ class WiFiDisplaySessionServiceImpl
 
   // DisplaySourceConnectionDelegate::Observer overrides.
   void OnSinksUpdated(const DisplaySourceSinkInfoList& sinks) override;
+  void OnConnectionError(int sink_id,
+                         DisplaySourceErrorType type,
+                         const std::string& description) override;
 
   explicit WiFiDisplaySessionServiceImpl(
       DisplaySourceConnectionDelegate* delegate,
       mojo::InterfaceRequest<WiFiDisplaySessionService> request);
 
-  void OnConnectFailed(int sink_id, const std::string& message);
-  void OnDisconnectFailed(int sink_id, const std::string& message);
+  // Called if a message received from the connected sink.

[asargent_no_longer_on_chrome, 2016/01/20 19:26:17]

grammar nit: this should be something like one of the following:

"Called if a message is received from the connected sink." 
"Called if a message was received from the connected sink."
"Called when a message is received from the connected sink."

[Mikhail, 2016/01/21 09:38:03]

Done.

+  void OnSinkMessage(const std::string& message);
 
+  // Failure callbacks for Connect and Disconnect methods.
+  void OnConnectFailed(int sink_id, const std::string& reason);
+  void OnDisconnectFailed(int sink_id, const std::string& reason);
+
+  // Mojo error callback.
   void OnClientConnectionError();
 
   mojo::StrongBinding<WiFiDisplaySessionService> binding_;