New new versions of Starts/EndsWith and SplitString in net

net/quic/quic_utils.cc

Index: net/quic/quic_utils.cc
diff --git a/net/quic/quic_utils.cc b/net/quic/quic_utils.cc
index 3d59b07f8a44e7bc16b2281695d8d232d61bcce7..7895fee5e1b471a8352a119a52b4afaacb71a8eb 100644
--- a/net/quic/quic_utils.cc
+++ b/net/quic/quic_utils.cc
@@ -292,11 +292,11 @@ string QuicUtils::TagToString(QuicTag tag) {
 QuicTagVector QuicUtils::ParseQuicConnectionOptions(
     const std::string& connection_options) {
   QuicTagVector options;
-  std::vector<std::string> tokens;
-  base::SplitString(connection_options, ',', &tokens);
   // Tokens are expected to be no more than 4 characters long, but we
   // handle overflow gracefully.
-  for (const std::string& token : tokens) {
+  for (const base::StringPiece& token :
+       base::SplitStringPiece(connection_options, ",", base::TRIM_WHITESPACE,
+                              base::SPLIT_WANT_ALL)) {
     uint32 option = 0;
     for (char token_char : base::Reversed(token)) {
       option <<= 8;