WebSocket Mojo API: set reason when disconnecting a WebSocket interface because of insufficient res…

third_party/WebKit/public/platform/modules/websockets/websocket.mojom

Index: third_party/WebKit/public/platform/modules/websockets/websocket.mojom
diff --git a/third_party/WebKit/public/platform/modules/websockets/websocket.mojom b/third_party/WebKit/public/platform/modules/websockets/websocket.mojom
index be0d4cfd71a169cefb80eb251368961d28a71a3c..74e1973b3ab04282bc5f736a1bd6903417fbed07 100644
--- a/third_party/WebKit/public/platform/modules/websockets/websocket.mojom
+++ b/third_party/WebKit/public/platform/modules/websockets/websocket.mojom
@@ -96,6 +96,10 @@ interface WebSocketClient {
 };
 
 interface WebSocket {
+  // The client side may observe the following disconnection reason from the
+  // service side:
+  const uint32 kInsufficientResources = 1;
+
   // Open new WebSocket connection to |socket_url|. |requested_protocols| is a
   // list of tokens identifying sub-protocols the renderer would like to use,
   // as described in RFC6455 "Subprotocols Using the WebSocket Protocol".