Move logic to figure out if a socket can be reused into HttpStream.

net/http/http_basic_stream.cc

Index: net/http/http_basic_stream.cc
diff --git a/net/http/http_basic_stream.cc b/net/http/http_basic_stream.cc
index 0d14e0f9a0eac6683aa6ff8a411cffe4fb796ca1..795e299bb6cd62ebd043acfdd2251cc515990a6b 100644
--- a/net/http/http_basic_stream.cc
+++ b/net/http/http_basic_stream.cc
@@ -67,18 +67,14 @@ bool HttpBasicStream::IsResponseBodyComplete() const {
   return parser()->IsResponseBodyComplete();
 }
 
-bool HttpBasicStream::CanFindEndOfResponse() const {
-  return parser()->CanFindEndOfResponse();
-}
-
 bool HttpBasicStream::IsConnectionReused() const {
   return parser()->IsConnectionReused();
 }
 
 void HttpBasicStream::SetConnectionReused() { parser()->SetConnectionReused(); }
 
-bool HttpBasicStream::IsConnectionReusable() const {
-  return parser()->IsConnectionReusable();
+bool HttpBasicStream::CanReuseConnection() const {
+  return parser()->CanReuseConnection();
 }
 
 int64 HttpBasicStream::GetTotalReceivedBytes() const {
@@ -102,8 +98,6 @@ void HttpBasicStream::GetSSLCertRequestInfo(
   parser()->GetSSLCertRequestInfo(cert_request_info);
 }
 
-bool HttpBasicStream::IsSpdyHttpStream() const { return false; }
-
 void HttpBasicStream::Drain(HttpNetworkSession* session) {
   HttpResponseBodyDrainer* drainer = new HttpResponseBodyDrainer(this);
   drainer->Start(session);