Introduce RequestWebSocketStream into HttpStreamFactory

net/http/http_stream_factory_impl.h

Index: net/http/http_stream_factory_impl.h
diff --git a/net/http/http_stream_factory_impl.h b/net/http/http_stream_factory_impl.h
index 8cb54bbc9204b652c9a1ef88589a5a560c8e6238..350dfbf2aa20372cbd16ca475d65a666a4ca38a8 100644
--- a/net/http/http_stream_factory_impl.h
+++ b/net/http/http_stream_factory_impl.h
@@ -39,6 +39,14 @@ class NET_EXPORT_PRIVATE HttpStreamFactoryImpl :
       HttpStreamRequest::Delegate* delegate,
       const BoundNetLog& net_log) OVERRIDE;
 
+  virtual HttpStreamRequest* RequestStreamForWebSocket(
+      const HttpRequestInfo& info,
+      RequestPriority priority,
+      const SSLConfig& server_ssl_config,
+      const SSLConfig& proxy_ssl_config,
+      HttpStreamRequest::Delegate* delegate,
+      const BoundNetLog& net_log) OVERRIDE;
+
   virtual void PreconnectStreams(int num_streams,
                                  const HttpRequestInfo& info,
                                  RequestPriority priority,
@@ -61,6 +69,15 @@ class NET_EXPORT_PRIVATE HttpStreamFactoryImpl :
   typedef std::map<HttpPipelinedHost::Key,
                    RequestVector> HttpPipeliningRequestMap;
 
+  HttpStreamRequest* RequestStreamInternal(
+      const HttpRequestInfo& info,
+      RequestPriority priority,
+      const SSLConfig& server_ssl_config,
+      const SSLConfig& proxy_ssl_config,
+      HttpStreamRequest::Delegate* delegate,
+      const BoundNetLog& net_log,
+      bool for_websocket);
+
   PortAlternateProtocolPair GetAlternateProtocolRequestFor(
       const GURL& original_url,
       GURL* alternate_url) const;