Introduce RequestWebSocketStream into HttpStreamFactory

net/http/websocket_stream_base.cc

Index: net/http/websocket_stream_base.cc
diff --git a/ui/base/touch/touch_device_android.cc b/net/http/websocket_stream_base.cc
similarity index 52%
copy from ui/base/touch/touch_device_android.cc
copy to net/http/websocket_stream_base.cc
index 39e34c24765363d439e175cad62cdc98ef257ed8..1d3a5e2d76deda1c54a4ce634495c472947b0154 100644
--- a/ui/base/touch/touch_device_android.cc
+++ b/net/http/websocket_stream_base.cc
@@ -2,12 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "ui/base/touch/touch_device.h"
+#include "net/http/websocket_stream_base.h"
 
-namespace ui {
+namespace net {
 
-bool IsTouchDevicePresent() {
-  return true;
+WebSocketStreamBase::WebSocketStreamBase(StreamType type)
+    : type_(type) {
 }
 
-}  // namespace ui
+}  // namespace net