fix(sync): getCurrentUrl and friends should sync with Angular first

getCurrentUrl, getPageSource, and getTitle should sync with Angular
before executing. Closes #92.

lib/clientsidescripts.js

@@ -305,7 +305,7 @@ clientSideScripts.findSelectedOption = function() {
  * arguments[0] {Element} The scope of the search.
  * arguments[1] {string} The model name.
  *
- * @return {Array.<Element?} The matching select elements.
+ * @return {Array.<Element>} The matching select elements.
 */
 clientSideScripts.findSelectedOptions = function() {
   var using = arguments[0] || document;

lib/protractor.js

@@ -20,14 +20,17 @@ for (foo in webdriver) {
  * @param {Object} to
  * @param {Object} from
  * @param {string} fnName
+ * @param {function=} setupFn
  */
-var mixin = function(to, from, fnName) {
+var mixin = function(to, from, fnName, setupFn) {
   to[fnName] = function() {
+    if (setupFn) {
+      setupFn();
+    }
     return from[fnName].apply(from, arguments);
   }
 };
 
-
 /**
  * @param {webdriver.WebDriver} webdriver
  * @param {string=} opt_baseUrl A base URL to run get requests against.
@@ -36,10 +39,19 @@ var mixin = function(to, from, fnName) {
  * @constructor
  */
 var Protractor = function(webdriver, opt_baseUrl, opt_rootElement) {
+  // These functions should delegate to the webdriver instance, but should
+  // wait for Angular to sync up before performing the action. This does not
+  // include functions which are overridden by protractor below.
+  var methodsToSync = ['getCurrentUrl', 'getPageSource', 'getTitle'];
+
   // Mix all other driver functionality into Protractor.
-  for (var foo in webdriver) {
-    if(!this[foo] && typeof webdriver[foo] == 'function') {
-      mixin(this, webdriver, foo);
+  for (var method in webdriver) {
+    if(!this[method] && typeof webdriver[method] == 'function') {
+      if (methodsToSync.indexOf(method) !== -1) {
+        mixin(this, webdriver, method, this.waitForAngular.bind(this));
+      } else {
+        mixin(this, webdriver, method);
+      }
     }
   }
 
@@ -227,6 +239,7 @@ Protractor.prototype.findElements = function(locator, varArgs) {
  *     the element is present on the page.
  */
 Protractor.prototype.isElementPresent = function(locatorOrElement, varArgs) {
+  this.waitForAngular();
   if (locatorOrElement.findArrayOverride) {
     return locatorOrElement.findArrayOverride(this.driver).then(function(arr) {
       return !!arr.length;