Fixing up input element support checks for IE9.

tests/html/input_element_test.dart

 library input_element_test;
 import '../../pkg/unittest/lib/unittest.dart';
 import '../../pkg/unittest/lib/html_individual_config.dart';
 import 'dart:html';
 
 void check(InputElement element, String type, [bool supported = true]) {
   expect(element is InputElement, true);
   if (supported) {
     expect(element.type, type);
   } else {
     expect(element.type, 'text');
   }
 }
 
 main() {
   useHtmlIndividualConfiguration();
 
+  group('supported_search', () {
+    test('supported', () {
+      expect(SearchInputElement.supported, true);
+    });
+  });
+
+  group('supported_url', () {
+    test('supported', () {
+      expect(UrlInputElement.supported, true);
+    });
+  });
+
+  group('supported_tel', () {
+    test('supported', () {
+      expect(TelephoneInputElement.supported, true);
+    });
+  });
+
+  group('supported_email', () {
+    test('supported', () {
+      expect(EmailInputElement.supported, true);
+    });
+  });
+
   group('supported_datetime', () {
     test('supported', () {
       expect(DateTimeInputElement.supported, true);
     });
   });
 
   group('supported_date', () {
     test('supported', () {
       expect(DateInputElement.supported, true);
     });
@@ skipping 34 matching lines @@
       expect(RangeInputElement.supported, true);
     });
   });
 
   group('constructors', () {
     test('hidden', () {
       check(new HiddenInputElement(), 'hidden');
     });
 
     test('search', () {
-      check(new SearchInputElement(), 'search');
+      check(new SearchInputElement(), 'search', SearchInputElement.supported);
     });
 
     test('text', () {
       check(new TextInputElement(), 'text');
     });
 
     test('url', () {
-      check(new UrlInputElement(), 'url');
+      check(new UrlInputElement(), 'url', UrlInputElement.supported);
     });
 
     test('telephone', () {
-      check(new TelephoneInputElement(), 'tel');
+      check(new TelephoneInputElement(), 'tel',
+          TelephoneInputElement.supported);
     });
 
     test('email', () {
-      check(new EmailInputElement(), 'email');
+      check(new EmailInputElement(), 'email', EmailInputElement.supported);
     });
 
     test('password', () {
       check(new PasswordInputElement(), 'password');
     });
 
     test('datetime', () {
       check(new DateTimeInputElement(), 'datetime',
           DateTimeInputElement.supported);
     });
@@ skipping 49 matching lines @@
 
     test('reset', () {
       check(new ResetButtonInputElement(), 'reset');
     });
 
     test('button', () {
       check(new ButtonInputElement(), 'button');
     });
   });
 }