net: handle trailing dots in LastTwoLabels.

net/base/ssl_false_start_blacklist.cc

Index: net/base/ssl_false_start_blacklist.cc
diff --git a/net/base/ssl_false_start_blacklist.cc b/net/base/ssl_false_start_blacklist.cc
index b57826b18608330bc9d2a6e2448505e183bd5182..dd2f614039a15d5f479002aa756d380f0a44cd16 100644
--- a/net/base/ssl_false_start_blacklist.cc
+++ b/net/base/ssl_false_start_blacklist.cc
@@ -8,10 +8,10 @@ namespace net {
 
 // static
 bool SSLFalseStartBlacklist::IsMember(const char* host) {
-  const char* last_two_labels = LastTwoLabels(host);
-  if (!last_two_labels)
+  const std::string last_two_labels = LastTwoLabels(host);
+  if (last_two_labels.empty())
     return false;
-  const unsigned bucket = Hash(last_two_labels) & (kBuckets - 1);
+  const unsigned bucket = Hash(last_two_labels.c_str()) & (kBuckets - 1);
   const uint32 start = kHashTable[bucket];
   const uint32 end = kHashTable[bucket + 1];
   const size_t len = strlen(host);