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

pkg/compiler/lib/src/elements/modelx.dart

Index: pkg/compiler/lib/src/elements/modelx.dart
diff --git a/pkg/compiler/lib/src/elements/modelx.dart b/pkg/compiler/lib/src/elements/modelx.dart
index 5ae07ffaace186de50c9b0a50544f2d7db5fbb5c..a8cea0a830b7cfa770d0d37477c68570c4e9d132 100644
--- a/pkg/compiler/lib/src/elements/modelx.dart
+++ b/pkg/compiler/lib/src/elements/modelx.dart
@@ -2054,24 +2054,17 @@ class SynthesizedConstructorElementX extends ConstructorElementX {
   final ConstructorElement definingConstructor;
   final bool isDefaultConstructor;
 
-  SynthesizedConstructorElementX.notForDefault(String name,
-                                               this.definingConstructor,
-                                               Element enclosing)
-      : isDefaultConstructor = false,
-        super(name,
+  SynthesizedConstructorElementX(String name,
+                                 this.definingConstructor,
+                                 Element enclosing,
+                                 this.isDefaultConstructor)
+      : super(name,
               ElementKind.GENERATIVE_CONSTRUCTOR,
               Modifiers.EMPTY,
-              enclosing) ;
+              enclosing);
 
-  SynthesizedConstructorElementX.forDefault(this.definingConstructor,
-                                            Element enclosing)
-      : isDefaultConstructor = true,
-        super('',
-              ElementKind.GENERATIVE_CONSTRUCTOR,
-              Modifiers.EMPTY,
-              enclosing) {
-    typeCache = new FunctionType.synthesized(enclosingClass.thisType);
-  }
+  SynthesizedConstructorElementX.forDefault(superMember, Element enclosing)
+      : this('', superMember, enclosing, true);
 
   FunctionExpression parseNode(DiagnosticListener listener) => null;
 
@@ -2083,21 +2076,11 @@ class SynthesizedConstructorElementX extends ConstructorElementX {
 
   bool get isSynthesized => true;
 
-  DartType get type {
-    if (isDefaultConstructor) {
-      return super.type;
-    } else {
-      // TODO(johnniwinther): Ensure that the function type substitutes type
-      // variables correctly.
-      return definingConstructor.type;
-    }
-  }
-
   FunctionSignature computeSignature(compiler) {
     if (functionSignatureCache != null) return functionSignatureCache;
     if (isDefaultConstructor) {
       return functionSignatureCache = new FunctionSignatureX(
-          type: type);
+          type: new FunctionType(this, enclosingClass.thisType));
     }
     if (definingConstructor.isErroneous) {
       return functionSignatureCache =