New new versions of Starts/EndsWith and SplitString in net

net/dns/host_resolver.cc

Index: net/dns/host_resolver.cc
diff --git a/net/dns/host_resolver.cc b/net/dns/host_resolver.cc
index 06128b5b83b263566b96f6d6bde3ad6494b8e144..deacb2d9a62f4a719ef0d56badd2fa26a0e5ea77 100644
--- a/net/dns/host_resolver.cc
+++ b/net/dns/host_resolver.cc
@@ -47,9 +47,8 @@ PrioritizedDispatcher::Limits HostResolver::Options::GetDispatcherLimits()
   // The format of the group name is a list of non-negative integers separated
   // by ':'. Each of the elements in the list corresponds to an element in
   // |reserved_slots|, except the last one which is the |total_jobs|.
-
-  std::vector<std::string> group_parts;
-  base::SplitString(group, ':', &group_parts);
+  std::vector<base::StringPiece> group_parts = base::SplitStringPiece(
+      group, ":", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
   if (group_parts.size() != NUM_PRIORITIES + 1) {
     NOTREACHED();
     return limits;