[scheduler] Plumb websocket information to scheduler

third_party/WebKit/Source/modules/websockets/DocumentWebSocketChannel.h

Index: third_party/WebKit/Source/modules/websockets/DocumentWebSocketChannel.h
diff --git a/third_party/WebKit/Source/modules/websockets/DocumentWebSocketChannel.h b/third_party/WebKit/Source/modules/websockets/DocumentWebSocketChannel.h
index 6e678c91a22818b2c6a44213cf0a908d322be61f..e390f79ee38a426eee1e3a7f50d2caf6c61738c3 100644
--- a/third_party/WebKit/Source/modules/websockets/DocumentWebSocketChannel.h
+++ b/third_party/WebKit/Source/modules/websockets/DocumentWebSocketChannel.h
@@ -38,6 +38,7 @@
 #include "modules/websockets/WebSocketChannel.h"
 #include "modules/websockets/WebSocketHandle.h"
 #include "modules/websockets/WebSocketHandleClient.h"
+#include "platform/WebFrameScheduler.h"
 #include "platform/heap/Handle.h"
 #include "platform/weborigin/KURL.h"
 #include "wtf/Deque.h"
@@ -173,6 +174,8 @@ class MODULES_EXPORT DocumentWebSocketChannel final
   uint64_t m_sendingQuota;
   uint64_t m_receivedDataSizeForFlowControl;
   size_t m_sentSizeOfTopMessage;
+  std::unique_ptr<WebFrameScheduler::ActiveConnectionHandle>
+      connection_handle_for_scheduler_;
 
   std::unique_ptr<SourceLocation> m_locationAtConstruction;
   RefPtr<WebSocketHandshakeRequest> m_handshakeRequest;