New new versions of Starts/EndsWith and SplitString in net

net/base/host_port_pair.cc

Index: net/base/host_port_pair.cc
diff --git a/net/base/host_port_pair.cc b/net/base/host_port_pair.cc
index 816bbac9b1f875ed83a19d783dbf6efba74b2ecc..cd56089ec20903e72a58b634807a7e812b693dbd 100644
--- a/net/base/host_port_pair.cc
+++ b/net/base/host_port_pair.cc
@@ -32,8 +32,8 @@ HostPortPair HostPortPair::FromIPEndPoint(const IPEndPoint& ipe) {
 }
 
 HostPortPair HostPortPair::FromString(const std::string& str) {
-  std::vector<std::string> key_port;
-  base::SplitString(str, ':', &key_port);
+  std::vector<base::StringPiece> key_port = base::SplitStringPiece(
+      str, ":", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
   if (key_port.size() != 2)
     return HostPortPair();
   int port;
@@ -42,7 +42,7 @@ HostPortPair HostPortPair::FromString(const std::string& str) {
   if (!IsPortValid(port))
     return HostPortPair();
   HostPortPair host_port_pair;
-  host_port_pair.set_host(key_port[0]);
+  host_port_pair.set_host(key_port[0].as_string());
   host_port_pair.set_port(static_cast<uint16_t>(port));
   return host_port_pair;
 }