Update SplitString calls to new form

content/renderer/media/webrtc/stun_field_trial.cc

Index: content/renderer/media/webrtc/stun_field_trial.cc
diff --git a/content/renderer/media/webrtc/stun_field_trial.cc b/content/renderer/media/webrtc/stun_field_trial.cc
index 2d155a4305990996b39d31940c00465f8b80c9ac..41be3588a749b09ce5071862cd892effe1095dca 100644
--- a/content/renderer/media/webrtc/stun_field_trial.cc
+++ b/content/renderer/media/webrtc/stun_field_trial.cc
@@ -133,8 +133,8 @@ bool ParseStunProbeParameters(const std::string& params,
                               int* interval_ms,
                               int* shared_socket_mode,
                               std::vector<rtc::SocketAddress>* servers) {
-  std::vector<std::string> stun_params;
-  base::SplitString(params, '/', &stun_params);
+  std::vector<std::string> stun_params = base::SplitString(
+      params, "/", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
 
   if (stun_params.size() < 4) {
     DLOG(ERROR) << "Not enough parameters specified in StartStunProbeTrial";