Update almost all tests (except co19) to use the new try-catch syntax.

tests/html/inner_frame_test.dart

 #library('InnerFrameTest');
 #import('../../pkg/unittest/unittest.dart');
 #import('../../pkg/unittest/html_config.dart');
 #import('dart:html');
 
 main() {
   if (window != window.top) {
     // Child frame.
 
     // The child's frame should not be able to access its parent's
     // document.
 
     // Check window.frameElement.
     try {
       var parentDocument = window.frameElement.document;
       var div = parentDocument.$dom_createElement("div");
       div.id = "illegalFrameElement";
       parentDocument.body.nodes.add(div);
       Expect.fail('Should not reach here.');
-    } catch (NoSuchMethodException e) {
+    } on NoSuchMethodException catch (e) {
       // Expected.
     }
 
     // Check window.top.
     try {
       final top = window.top;
       var parentDocument = top.document;
       var div = parentDocument.$dom_createElement("div");
       div.id = "illegalTop";
       parentDocument.body.nodes.add(div);
       Expect.fail('Should not reach here.');
-    } catch (var e) {
+    } catch (e) {
       // Expected.
       // TODO(vsm): Enforce this is a NoSuchMethodException.
     }
     return;
   }
 
   // Parent / test frame
   useHtmlConfiguration();
 
   final iframe = new Element.tag('iframe');
@@ skipping 11 matching lines @@
       Expect.isNull(div);
     });
 
   test('top', () {
       var div = document.query('#illegalTop');
 
       // Ensure that this parent frame was not modified by its child.
       Expect.isNull(div);
     });
 }