Make methods in Stopwatch getters and rename to be more consistent.

tools/testing/legpad/legpad.dart

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #import("dart:html", prefix:"html");
 #import('../../../lib/compiler/compiler.dart', prefix: "compiler_lib");
 #import('../../../lib/uri/uri.dart', prefix:"uri_lib");
 
 /**
  * This is the entrypoint for a version of the leg compiler that
@@ skipping 53 matching lines @@
    */
   String idOfFilename(String filename) {
     return filename.replaceAll("/", "_").replaceAll(".", "_");
   }
 
   void run() {
     String mainFile = getText(MAIN_ID);
     setText("input", readAll(mainFile));
     Stopwatch stopwatch = new Stopwatch()..start();
     runLeg();
-    int elapsedMillis = stopwatch.elapsedInMs();
+    int elapsedMillis = stopwatch.elapsedMilliseconds;
     if (output === null) {
       output = "throw 'dart2js compilation error';\n";
     }
 
     setText("output", output);
     setText("warnings", warnings.toString());
     int lineCount = lineCount(output);
     String timing = "generated $lineCount lines "
         "(${output.length} characters) in "
         "${((elapsedMillis) / 1000).toStringAsPrecision(3)} seconds";
@@ skipping 42 matching lines @@
     }
     return element.text.trim();
   }
 
   // TODO(mattsh): should exist in standard lib somewhere
   static String htmlEscape(String text) {
     return text.replaceAll('&', '&').replaceAll(
         '>', '&gt;').replaceAll('<', '&lt;');
   }
 }