[Chromecast] Add metric reporting to ConnectivityCheckerImpl

chromecast/net/connectivity_checker_impl.h

Index: chromecast/net/connectivity_checker_impl.h
diff --git a/chromecast/net/connectivity_checker_impl.h b/chromecast/net/connectivity_checker_impl.h
index f600cb7bcfb3b5bc3d8f8f7d548a379da8cd489e..d3c4308796c877f60e4cf7e4321bf560cce1ec05 100644
--- a/chromecast/net/connectivity_checker_impl.h
+++ b/chromecast/net/connectivity_checker_impl.h
@@ -65,12 +65,20 @@ class ConnectivityCheckerImpl
   // Sets connectivity and alerts observers if it has changed
   void SetConnected(bool connected);
 
+  enum class ErrorType {
+    BAD_HTTP_STATUS = 1,
+    SSL_CERTIFICATE_ERROR = 2,
+    REQUEST_TIMEOUT = 3,
+  };
+
   // Called when URL request failed.
-  void OnUrlRequestError();
+  void OnUrlRequestError(ErrorType type);
 
   // Called when URL request timed out.
   void OnUrlRequestTimeout();
 
+  void RecordNetworkConnectivityErrorType(ErrorType type);
+
   std::unique_ptr<GURL> connectivity_check_url_;
   std::unique_ptr<net::URLRequestContext> url_request_context_;
   std::unique_ptr<net::URLRequest> url_request_;