fix #626, add AMD module format and make it default

tool/input_sdk/private/ddc_runtime/operations.dart

 // Copyright (c) 2015, 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.
 
 /// This library defines runtime operations on objects used by the code
 /// generator.
 part of dart._runtime;
 
 class InvocationImpl extends Invocation {
   final Symbol memberName;
@@ skipping 195 matching lines @@
 
 _trackCall(obj, name) {
   if (JS('bool', '!#', trackProfile)) return;
 
   var actual = getReifiedType(obj);
   String stackStr = JS('String', "new Error().stack");
   var stack = stackStr.split('\n    at ');
   var src = '';
   for (int i = 2; i < stack.length; ++i) {
     var frame = stack[i];
-    if (!frame.contains('dev_compiler/lib/runtime/dart_sdk.js')) {
+    if (!frame.contains('dart_sdk.js')) {
       src = frame;
       break;
     }
   }
 
   name = "${typeName(actual)}.$name <$src>";
   if (_callMethodStats.containsKey(name)) {
     _callMethodStats[name] = _callMethodStats[name] + 1;
   } else {
     _callMethodStats[name] = 1;
@@ skipping 506 matching lines @@
   if (obj != null && getExtensionType(obj) != null) {
     return JS('', 'dartx.#', name);
   }
 
   // Check for certain names that we can't use in JS
   if (name == 'constructor' || name == 'prototype') {
     name = '+' + name;
   }
   return name;
 }