New new versions of Starts/EndsWith and SplitString in net

net/dns/host_resolver_impl.cc

Index: net/dns/host_resolver_impl.cc
diff --git a/net/dns/host_resolver_impl.cc b/net/dns/host_resolver_impl.cc
index 0e2de328866d4cd3ff8dc8e737962755adfba393..d3f83655356922b58551ca13adbec1bf14c157d5 100644
--- a/net/dns/host_resolver_impl.cc
+++ b/net/dns/host_resolver_impl.cc
@@ -278,8 +278,10 @@ bool ConfigureAsyncDnsNoFallbackFieldTrial() {
   // groups SystemDnsA and SystemDnsB: return false,
   // otherwise (trial absent): return default.
   std::string group_name = base::FieldTrialList::FindFullName("AsyncDns");
-  if (!group_name.empty())
-    return base::StartsWithASCII(group_name, "AsyncDnsNoFallback", false);
+  if (!group_name.empty()) {
+    return base::StartsWith(group_name, "AsyncDnsNoFallback",
+                            base::CompareCase::INSENSITIVE_ASCII);
+  }
   return kDefault;
 }