fix(input): check scope.$$phase only on $rootScope

Author: shahata

src/ng/directive/input.js

@@ -958,7 +958,7 @@ function baseInputType(scope, element, attr, ctrl, $sniffer, $browser) {
     // a row.
     var revalidate = validity && ctrl.$$hasNativeValidators;
     if (ctrl.$viewValue !== value || (value === '' && revalidate)) {
-      if (scope.$$phase) {
+      if (scope.$root.$$phase) {
         ctrl.$setViewValue(value, event, revalidate);
       } else {
         scope.$apply(function() {

test/ng/directive/inputSpec.js

@@ -1157,6 +1157,7 @@ describe('input', function() {
           return eventName !== 'input';
         };
 
+        scope = scope.$new(true);
         compileInput('<input type="text" ng-model="name" name="alias" ng-change="change()" />');
 
         scope.field = 'fake field';