Pass render frame ID to WebSocketBridge (Blink side)

public/web/WebFrameClient.h

Index: public/web/WebFrameClient.h
diff --git a/public/web/WebFrameClient.h b/public/web/WebFrameClient.h
index 87140c91124c30b731e4cb863f6f4fa188e0223e..ea97506265bad7b436a2303c62dd1747269e825e 100644
--- a/public/web/WebFrameClient.h
+++ b/public/web/WebFrameClient.h
@@ -69,6 +69,7 @@ class WebMediaPlayerClient;
 class WebNotificationPresenter;
 class WebServiceWorkerProvider;
 class WebServiceWorkerProviderClient;
+class WebSocketHandle;
 class WebNode;
 class WebPlugin;
 class WebRTCPeerConnectionHandler;
@@ -439,9 +440,14 @@ public:
 
     // WebSocket -----------------------------------------------------
 
-    // A WebSocket object is going to open new stream connection.
+    // A WebSocket object is going to open a new socket stream connection. Used
+    // by the old WebSocket implementation.
     virtual void willOpenSocketStream(WebSocketStreamHandle*) { }
 
+    // A WebSocket object is going to open a new WebSocket connection. Used by
+    // the new WebSocket implementation.
+    virtual void willOpenWebSocket(WebSocketHandle*) { }
+
 
     // MediaStream -----------------------------------------------------