fix(form): set $submitted to true on child forms when parent is submi…

…tted.

Closes #10071

src/ng/directive/form.js

@@ -276,10 +276,17 @@ function FormController(element, attrs, $scope, $animate, $interpolate) {
    * @description
    * Sets the form to its submitted state.
    */
-  form.$setSubmitted = function() {
+  form.$setSubmitted = function(setOnChildren) {
     $animate.addClass(element, SUBMITTED_CLASS);
     form.$submitted = true;
-    parentForm.$setSubmitted();
+    if (!setOnChildren) {
+       parentForm.$setSubmitted();
+    }
+    forEach(controls, function(control) {
+      if (control.$setSubmitted) {
+        control.$setSubmitted(true);
+      }
+    });
   };
 }
 

test/ng/directive/formSpec.js

@@ -410,6 +410,22 @@ describe('form', function() {
       expect(parent.$submitted).toBeTruthy();
     });
 
+    it('should set $submitted equal to true on child forms when parent is submitted', function() {
+      doc = jqLite(
+          '<ng:form name="parent">' +
+            '<ng:form name="child">' +
+              '<input ng:model="modelA" name="inputA">' +
+              '<input ng:model="modelB" name="inputB">' +
+            '</ng:form>' +
+          '</ng:form>');
+      $compile(doc)(scope);
+
+      var parent = scope.parent,
+          child = scope.child;
+
+      parent.$setSubmitted();
+      expect(child.$submitted).toBeTruthy();
+    });
 
     it('should deregister a child form when its DOM is removed', function() {
       doc = jqLite(