[WebSocket] Send a close frame when the renderer process is gone.

net/data/websocket/README

Index: net/data/websocket/README
diff --git a/net/data/websocket/README b/net/data/websocket/README
index 9dab697eba2e7b2de89bd7b1418416ad71677fd5..c66047c53ac73fd4862898f05baab28057dda3a3 100644
--- a/net/data/websocket/README
+++ b/net/data/websocket/README
@@ -19,6 +19,16 @@ Multiple tests may share one resource, or URI handler.
      content::TitleWatcher.
      Used by WorkerTest.WebSocketSharedWorker.
 
+- counted-connection.html : A page that creates a WebSocket connection
+     to count-connection_wsh.
+     This file does NOT close the established connection.
+     Used by SendCloseFrameWhenTabIsClosed.
+
+- count-connection.html : A page that creates a WebSocket connection
+     to count-connection_wsh and checks the number of open and closed
+     websocket connections to the handler.
+     Used by SendCloseFrameWhenTabIsClosed.
+
 - websocket_worker_simple.js : A JavaScript runs on Workers created from the
      websocket_shared_worker.html.
      Used by WorkerTest.WebSocketSharedWorker.
@@ -44,6 +54,11 @@ Multiple tests may share one resource, or URI handler.
      Used by WebSocketBrowserTest.WebSocketSplitSegments and
      WebSocketBrowserTest.SecureWebSocketSplitRecords.
 
+- count-connection_wsh.py : counts the number of open and closed websocket
+     connections to this handler.
+     It sends the numbers after each connection establishment.
+     Used by SendCloseFrameWhenTabIsClosed.
+
 - protocol-test_wsh.py : A WebSocket URL handler for testing outgoing opening
      handshake protocol.
      Used by kinds of PPAPI tests for WebSocket.