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..c11e7eac6283f6ced1f99206a5c03e4ccba2a0b7 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;
@@ -71,14 +88,14 @@ class NET_EXPORT_PRIVATE HttpStreamFactoryImpl :
   // Called when a SpdySession is ready. It will find appropriate Requests and
   // fulfill them. |direct| indicates whether or not |spdy_session| uses a
   // proxy.
-  void OnSpdySessionReady(scoped_refptr<SpdySession> spdy_session,
-                          bool direct,
-                          const SSLConfig& used_ssl_config,
-                          const ProxyInfo& used_proxy_info,
-                          bool was_npn_negotiated,
-                          NextProto protocol_negotiated,
-                          bool using_spdy,
-                          const BoundNetLog& net_log);
+  void OnNewSpdySessionReady(scoped_refptr<SpdySession> spdy_session,
+                             bool direct,
+                             const SSLConfig& used_ssl_config,
+                             const ProxyInfo& used_proxy_info,
+                             bool was_npn_negotiated,
+                             NextProto protocol_negotiated,
+                             bool using_spdy,
+                             const BoundNetLog& net_log);
 
   // Called when the Job detects that the endpoint indicated by the
   // Alternate-Protocol does not work. Lets the factory update