revert: fix(input): always format viewValue as a string inputs with text controls

This reverts commit 1b8b41a.

This is a breaking change.

Author: jeffbcross

src/ng/directive/input.js

@@ -475,18 +475,7 @@ function addNativeHtml5Validators(ctrl, validatorName, badFlags, ignoreFlags, va
   }
 }
 
-function stringBasedInputType(ctrl) {
-  ctrl.$formatters.push(function stringifier(value) {
-    return ctrl.$isEmpty(value) ? value : value.toString();
-  });
-}
-
-function textInputType(scope, element, attr,ctrl, $sniffer, $browser) {
-  baseInputType(scope, element, attr, ctrl, $sniffer, $browser);
-  stringBasedInputType(ctrl);
-}
-
-function baseInputType(scope, element, attr, ctrl, $sniffer, $browser) {
+function textInputType(scope, element, attr, ctrl, $sniffer, $browser) {
   var validity = element.prop(VALIDITY_STATE_PROPERTY);
   var placeholder = element[0].placeholder, noevent = {};
   var type = lowercase(element[0].type);
@@ -1546,8 +1535,6 @@ var requiredDirective = function() {
  */
 var ngListDirective = function() {
   return {
-    restrict: 'A',
-    priority: 100,
     require: 'ngModel',
     link: function(scope, element, attr, ctrl) {
       var match = /\/(.*)\//.exec(attr.ngList),

test/ng/directive/inputSpec.js

@@ -310,87 +310,6 @@ describe('ngModel', function() {
   }));
 
 
-  it('should always format the viewValue as a string for a blank input type when the value is present',
-    inject(function($compile, $rootScope, $sniffer) {
-
-    var form = $compile('<form name="form"><input name="field" ng-model="val" /></form>')($rootScope);
-
-    $rootScope.val = 123;
-    $rootScope.$digest();
-    expect($rootScope.form.field.$viewValue).toBe('123');
-
-    $rootScope.val = null;
-    $rootScope.$digest();
-    expect($rootScope.form.field.$viewValue).toBe(null);
-
-    dealoc(form);
-  }));
-
-
-  it('should always format the viewValue as a string for a `text` input type when the value is present',
-    inject(function($compile, $rootScope, $sniffer) {
-
-    var form = $compile('<form name="form"><input type="text" name="field" ng-model="val" /></form>')($rootScope);
-    $rootScope.val = 123;
-    $rootScope.$digest();
-    expect($rootScope.form.field.$viewValue).toBe('123');
-
-    $rootScope.val = null;
-    $rootScope.$digest();
-    expect($rootScope.form.field.$viewValue).toBe(null);
-
-    $rootScope.val = undefined;
-    $rootScope.$digest();
-    expect($rootScope.form.field.$viewValue).toBeUndefined();
-
-    dealoc(form);
-  }));
-
-
-  it('should always format the viewValue as a string for an `email` input type when the value is present',
-    inject(function($compile, $rootScope, $sniffer) {
-
-    var fakeEmail = {};
-    fakeEmail.toString = function() { return 'fake@email'; };
-    var form = $compile('<form name="form"><input type="email" name="field" ng-model="val" /></form>')($rootScope);
-    $rootScope.val = fakeEmail;
-    $rootScope.$digest();
-    expect($rootScope.form.field.$viewValue).toBe('fake@email');
-
-    $rootScope.val = null;
-    $rootScope.$digest();
-    expect($rootScope.form.field.$viewValue).toBe(null);
-
-    $rootScope.val = undefined;
-    $rootScope.$digest();
-    expect($rootScope.form.field.$viewValue).toBeUndefined();
-
-    dealoc(form);
-  }));
-
-
-  it('should always format the viewValue as a string for a `url` input type when the value is present',
-    inject(function($compile, $rootScope, $sniffer) {
-
-    var fakeUrl = {};
-    fakeUrl.toString = function() { return 'https://www.angularjs.org'; };
-    var form = $compile('<form name="form"><input type="url" name="field" ng-model="val" /></form>')($rootScope);
-    $rootScope.val = fakeUrl;
-    $rootScope.$digest();
-    expect($rootScope.form.field.$viewValue).toBe('https://www.angularjs.org');
-
-    $rootScope.val = null;
-    $rootScope.$digest();
-    expect($rootScope.form.field.$viewValue).toBe(null);
-
-    $rootScope.val = undefined;
-    $rootScope.$digest();
-    expect($rootScope.form.field.$viewValue).toBeUndefined();
-
-    dealoc(form);
-  }));
-
-
   it('should register/deregister a nested ngModel with parent form when entering or leaving DOM',
       inject(function($compile, $rootScope) {