Adds some code to help isolate where crash is happening

mojo/services/network/public/cpp/web_socket_read_queue.cc

Index: mojo/services/network/public/cpp/web_socket_read_queue.cc
diff --git a/mojo/services/network/public/cpp/web_socket_read_queue.cc b/mojo/services/network/public/cpp/web_socket_read_queue.cc
index c5923d3de1d12f9a5a24c6a9f1acaf22c4d933cf..9da7d3abbc8dacf5ca3b9088bc24484496397507 100644
--- a/mojo/services/network/public/cpp/web_socket_read_queue.cc
+++ b/mojo/services/network/public/cpp/web_socket_read_queue.cc
@@ -26,8 +26,10 @@ struct WebSocketReadQueue::Operation {
 };
 
 WebSocketReadQueue::WebSocketReadQueue(DataPipeConsumerHandle handle)
-    : handle_(handle), is_busy_(false), weak_factory_(this) {
-}
+    : handle_(handle),
+      handle_watcher_(7),
+      is_busy_(false),
+      weak_factory_(this) {}
 
 WebSocketReadQueue::~WebSocketReadQueue() {
 }