import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

devtools/shared/specs/reflow.js

@@ -0,0 +1,33 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+"use strict";
+
+const {Arg, generateActorSpec} = require("devtools/shared/protocol");
+
+const reflowSpec = generateActorSpec({
+  typeName: "reflow",
+
+  events: {
+    /**
+     * The reflows event is emitted when reflows have been detected. The event
+     * is sent with an array of reflows that occured. Each item has the
+     * following properties:
+     * - start {Number}
+     * - end {Number}
+     * - isInterruptible {Boolean}
+     */
+    reflows: {
+      type: "reflows",
+      reflows: Arg(0, "array:json")
+    }
+  },
+
+  methods: {
+    start: {oneway: true},
+    stop: {oneway: true},
+  },
+});
+
+exports.reflowSpec = reflowSpec;