[Chromoting] Let the Linux start-host app take a redirect-URL parameter.

remoting/host/setup/host_starter.h

Index: remoting/host/setup/host_starter.h
diff --git a/remoting/host/setup/host_starter.h b/remoting/host/setup/host_starter.h
index 91db5c074a6465c60f85dbe1a0bcf460fcafbd85..e1046be5dde026790ffa3a21903e0189e7034d10 100644
--- a/remoting/host/setup/host_starter.h
+++ b/remoting/host/setup/host_starter.h
@@ -42,8 +42,11 @@ class HostStarter :
   // Registers a new host with the Chromoting service, and starts it.
   // |auth_code| must be a valid OAuth2 authorization code, typically acquired
   // from a browser. This method uses that code to get an OAuth2 refresh token.
-  void StartHost(const std::string& host_name, const std::string& host_pin,
-                 bool consent_to_data_collection, const std::string& auth_code,
+  void StartHost(const std::string& host_name,
+                 const std::string& host_pin,
+                 bool consent_to_data_collection,
+                 const std::string& auth_code,
+                 const std::string& redirect_url,
                  CompletionCallback on_done);
 
   // gaia::GaiaOAuthClient::Delegate