Add a method to override the network conditions of the ChromeDriver session.

chrome/test/chromedriver/session_commands.h

Index: chrome/test/chromedriver/session_commands.h
diff --git a/chrome/test/chromedriver/session_commands.h b/chrome/test/chromedriver/session_commands.h
index b28c8e2af8af73089fe5cba47a31ea4232b75b84..ae35a80609b080ff1e308eb9d51ec34e855a499e 100644
--- a/chrome/test/chromedriver/session_commands.h
+++ b/chrome/test/chromedriver/session_commands.h
@@ -110,6 +110,10 @@ Status ExecuteGetNetworkConditions(Session* session,
                                    const base::DictionaryValue& params,
                                    std::unique_ptr<base::Value>* value);
 
+Status ExecuteSetNetworkConnection(Session* session,
+                                   const base::DictionaryValue& params,
+                                   std::unique_ptr<base::Value>* value);
+
 Status ExecuteGetWindowPosition(Session* session,
                                 const base::DictionaryValue& params,
                                 std::unique_ptr<base::Value>* value);