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

net/websockets/websocket_basic_handshake_stream.h

Index: net/websockets/websocket_basic_handshake_stream.h
diff --git a/net/websockets/websocket_basic_handshake_stream.h b/net/websockets/websocket_basic_handshake_stream.h
index 634674aa9c136a9dc8f16de64be642da3c2b8f30..239b96b90389714d44c31a4ef2e3194169c6e459 100644
--- a/net/websockets/websocket_basic_handshake_stream.h
+++ b/net/websockets/websocket_basic_handshake_stream.h
@@ -52,15 +52,13 @@ class NET_EXPORT_PRIVATE WebSocketBasicHandshakeStream
                        const CompletionCallback& callback) override;
   void Close(bool not_reusable) override;
   bool IsResponseBodyComplete() const override;
-  bool CanFindEndOfResponse() const override;
   bool IsConnectionReused() const override;
   void SetConnectionReused() override;
-  bool IsConnectionReusable() const override;
+  bool CanReuseConnection() const override;
   int64 GetTotalReceivedBytes() const override;
   bool GetLoadTimingInfo(LoadTimingInfo* load_timing_info) const override;
   void GetSSLInfo(SSLInfo* ssl_info) override;
   void GetSSLCertRequestInfo(SSLCertRequestInfo* cert_request_info) override;
-  bool IsSpdyHttpStream() const override;
   void Drain(HttpNetworkSession* session) override;
   void SetPriority(RequestPriority priority) override;
   UploadProgress GetUploadProgress() const override;