Dart2js deferred loading. Follow types of functions when calculating dependencies.

pkg/compiler/lib/src/resolution/members.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.
 
 part of resolution;
 
 abstract class TreeElements {
   AnalyzableElement get analyzedElement;
   Iterable<Node> get superUses;
 
@@ skipping 4440 matching lines @@
                                mixinThisType.typeArguments);
   }
 
   bool isDefaultConstructor(FunctionElement constructor) {
     return constructor.name == '' &&
         constructor.computeSignature(compiler).parameterCount == 0;
   }
 
   FunctionElement createForwardingConstructor(ConstructorElement target,
                                               ClassElement enclosing) {
-    return new SynthesizedConstructorElementX(
-        target.name, target, enclosing, false);
+    return new SynthesizedConstructorElementX.notForDefault(
+        target.name, target, enclosing);
   }
 
   void doApplyMixinTo(MixinApplicationElementX mixinApplication,
                       DartType supertype,
                       DartType mixinType) {
     Node node = mixinApplication.parseNode(compiler);
 
     if (mixinApplication.supertype != null) {
       // [supertype] is not null if there was a cycle.
       assert(invariant(node, compiler.compilationFailed));
@@ skipping 638 matching lines @@
 }
 
 /// The result for the resolution of the `assert` method.
 class AssertResult implements ResolutionResult {
   const AssertResult();
 
   Element get element => null;
 
   String toString() => 'AssertResult()';
 }