Bug 912121 - Migrate major DevTools directories. rs=devtools

Move major DevTools files to new directories using the following steps:

hg mv browser/devtools devtools/client
hg mv toolkit/devtools/server devtools/server
hg mv toolkit/devtools devtools/shared

No other changes are made.

devtools/client/markupview/test/frame-script-utils.js

@@ -0,0 +1,46 @@
+/* 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 {classes: Cc, interfaces: Ci} = Components;
+const subScriptLoader = Cc["@mozilla.org/moz/jssubscript-loader;1"]
+                          .getService(Ci.mozIJSSubScriptLoader);
+var EventUtils = {};
+subScriptLoader.loadSubScript("chrome://marionette/content/EventUtils.js", EventUtils);
+
+/**
+ * Synthesize a mouse event on an element. This handler doesn't send a message
+ * back. Consumers should listen to specific events on the inspector/highlighter
+ * to know when the event got synthesized.
+ * @param {Object} msg The msg.data part expects the following properties:
+ * - {Number} x
+ * - {Number} y
+ * - {Boolean} center If set to true, x/y will be ignored and
+ *             synthesizeMouseAtCenter will be used instead
+ * - {Object} options Other event options
+ * - {String} selector An optional selector that will be used to find the node to
+ *            synthesize the event on, if msg.objects doesn't contain the CPOW.
+ * The msg.objects part should be the element.
+ * @param {Object} data Event detail properties:
+ */
+addMessageListener("Test:MarkupView:SynthesizeMouse", function(msg) {
+  let {x, y, center, options, selector} = msg.data;
+  let {node} = msg.objects;
+
+  if (!node && selector) {
+    node = content.document.querySelector(selector);
+  }
+
+  if (center) {
+    EventUtils.synthesizeMouseAtCenter(node, options, node.ownerDocument.defaultView);
+  } else {
+    EventUtils.synthesizeMouse(node, x, y, options, node.ownerDocument.defaultView);
+  }
+
+  // Most consumers won't need to listen to this message, unless they want to
+  // wait for the mouse event to be synthesized and don't have another event
+  // to listen to instead.
+  sendAsyncMessage("Test:MarkupView:SynthesizeMouse");
+});