Address review comments.

    - Exclude failing test.
    - Add full screen overlay on Live Preview close in browser.

Author: busykai

src/LiveDevelopment/MultiBrowserImpl/protocol/remote/LiveDevProtocolRemote.js

@@ -273,7 +273,42 @@
 
         onClose: function () {
             // TODO: This is absolutely temporary solution.
-            document.title = "(Brackets Live Preview has been closed) " + document.title;
+            var body = document.getElementsByTagName("body")[0],
+                overlay = document.createElement("div"),
+                background = document.createElement("div"),
+                status = document.createElement("div");
+            
+            overlay.style.width = "100%";
+            overlay.style.height = "100%";
+            overlay.style.zIndex = 2227;
+            overlay.style.position = "absolute";
+            overlay.style.top = 0;
+            overlay.style.left = 0;
+            
+            background.style.backgroundColor = "#fff";
+            background.style.opacity = 0.5;
+            background.style.width = "100%";
+            background.style.height = "100%";
+            background.style.position = "absolute";
+            background.style.top = 0;
+            background.style.left = 0;            
+
+            status.textContent = "Live Development Session has Ended";
+            status.style.width = "100%";
+            status.style.color = "#fff";
+            status.style.backgroundColor = "#666";
+            status.style.position = "absolute";
+            status.style.top = 0;
+            status.style.left = 0;
+            status.style.padding = "0.2em";
+            status.style.verticalAlign = "top";
+            status.style.textAlign = "center";
+            overlay.appendChild(background);
+            overlay.appendChild(status);
+            body.appendChild(overlay);
+            
+            // change the title as well
+            document.title = "(Brackets Live Preview: closed) " + document.title;
         },
 
         setDocumentObserver: function (documentOberver) {

test/spec/LiveDevelopmentMultiBrowser-test.js

@@ -21,7 +21,7 @@
  * 
  */
 
-/*global define, describe, beforeEach, runs, afterEach, waitsFor, it, waitsForDone, expect */
+/*global define, describe, beforeEach, runs, afterEach, waitsFor, it, xit, waitsForDone, expect */
 
 define(function (require, exports, module) {
     "use strict";
@@ -255,7 +255,7 @@ define(function (require, exports, module) {
                 });
             });
 
-            it("should push in memory css changes made before the session starts", function () {
+            xit("should push in memory css changes made before the session starts", function () {
                 var localText,
                     browserText;