QUIC - use QuicSessionKey tuple (host, port, is_https) instead of server_hostname

net/http/http_cache.cc

Index: net/http/http_cache.cc
diff --git a/net/http/http_cache.cc b/net/http/http_cache.cc
index e4319e10a2d732005d6782c01429b92e033b6b54..d02af76efb97e2c37219df76102c56b3d47c4d3f 100644
--- a/net/http/http_cache.cc
+++ b/net/http/http_cache.cc
@@ -275,8 +275,9 @@ class HttpCache::QuicServerInfoFactoryAdaptor : public QuicServerInfoFactory {
       : http_cache_(http_cache) {
   }
 
-  virtual QuicServerInfo* GetForHost(const std::string& hostname) OVERRIDE {
-    return new DiskCacheBasedQuicServerInfo(hostname, http_cache_);
+  virtual QuicServerInfo* GetForHost(const std::string& hostname,
+                                     uint16 port) OVERRIDE {
+    return new DiskCacheBasedQuicServerInfo(hostname, port, http_cache_);
   }
 
  private: