fix($browser): handle async href on url change in <=IE9

Closes #9235

Author: chrisirhc

src/ng/browser.js

@@ -182,6 +182,10 @@ function Browser(window, document, $log, $sniffer) {
 
   function fireUrlChange() {
     newLocation = null;
+    checkUrlChange();
+  }
+
+  function checkUrlChange() {
     if (lastBrowserUrl == self.url()) return;
 
     lastBrowserUrl = self.url();
@@ -237,7 +241,7 @@ function Browser(window, document, $log, $sniffer) {
    * Needs to be exported to be able to check for changes that have been done in sync,
    * as hashchange/popstate events fire in async.
    */
-  self.$$checkUrlChange = fireUrlChange;
+  self.$$checkUrlChange = checkUrlChange;
 
   //////////////////////////////////////////////////////////////
   // Misc API

test/ng/browserSpecs.js

@@ -646,6 +646,29 @@ describe('browser', function() {
         expect($location.path()).toBe('/someTestHash');
       });
     });
+
+  });
+
+  describe('integration test with $rootScope', function() {
+
+    beforeEach(module(function($provide, $locationProvider) {
+      $provide.value('$browser', browser);
+      browser.pollFns = [];
+    }));
+
+    it('should not interfere with legacy browser url replace behavior', function() {
+      inject(function($rootScope) {
+        var current = fakeWindow.location.href;
+        var newUrl = 'notyet';
+        sniffer.history = false;
+        browser.url(newUrl, true);
+        expect(browser.url()).toBe(newUrl);
+        $rootScope.$digest();
+        expect(browser.url()).toBe(newUrl);
+        expect(fakeWindow.location.href).toBe(current);
+      });
+    });
+
   });
 
 });