Remove computeSignature from FunctionElement.

pkg/compiler/lib/src/compile_time_constants.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.
 
 library dart2js.compile_time_constant_evaluator;
 
 import 'constant_system_dart.dart';
 import 'constants/constant_system.dart';
 import 'constants/expressions.dart';
 import 'constants/values.dart';
@@ skipping 771 matching lines @@
       Link<Node> arguments,
       FunctionElement target,
       {AstConstant compileArgument(Node node)}) {
     assert(invariant(node, target.isImplementation));
 
     AstConstant compileDefaultValue(VariableElement element) {
       ConstantExpression constant = handler.compileConstant(element);
       return new AstConstant.fromDefaultValue(
           element, constant, handler.getConstantValue(constant));
     }
-    target.computeSignature(compiler);
+    target.computeType(compiler);
 
     if (!callStructure.signatureApplies(target)) {
       String name = Elements.constructorNameForDiagnostics(
           target.enclosingClass.name, target.name);
       compiler.reportError(
           node,
           MessageKind.INVALID_CONSTRUCTOR_ARGUMENTS,
           {'constructorName': name});
 
       return new List<AstConstant>.filled(
@@ skipping 528 matching lines @@
           // TODO(johnniwinther): Return a [NonConstantValue] instead.
           new ErroneousConstantExpression(), new NullConstantValue());
 }
 
 // TODO(johnniwinther): Avoid the need for this hack.
 TreeElements _analyzeElementEagerly(Compiler compiler, AstElement element) {
   WorldImpact worldImpact = compiler.analyzeElement(element.declaration);
   compiler.enqueuer.resolution.applyImpact(element.declaration, worldImpact);
   return element.resolvedAst.elements;
 }