remove dependency on compiler from resolution

pkg/compiler/lib/src/resolution/typedefs.dart

Index: pkg/compiler/lib/src/resolution/typedefs.dart
diff --git a/pkg/compiler/lib/src/resolution/typedefs.dart b/pkg/compiler/lib/src/resolution/typedefs.dart
index cee72df5c7f297ebe16da6290cdad19a0ccac04f..b34974f5661ecb658e2d570b35c3c22c408fd2fe 100644
--- a/pkg/compiler/lib/src/resolution/typedefs.dart
+++ b/pkg/compiler/lib/src/resolution/typedefs.dart
@@ -5,7 +5,7 @@
 library dart2js.resolution.typedefs;
 
 import '../common.dart';
-import '../compiler.dart' show Compiler;
+import '../common/resolution.dart';
 import '../dart_types.dart';
 import '../elements/elements.dart'
     show FunctionSignature, TypedefElement, TypeVariableElement;
@@ -21,9 +21,9 @@ import 'signatures.dart' show SignatureResolver;
 class TypedefResolverVisitor extends TypeDefinitionVisitor {
   TypedefElementX get element => enclosingElement;
 
-  TypedefResolverVisitor(Compiler compiler, TypedefElement typedefElement,
+  TypedefResolverVisitor(Resolution resolution, TypedefElement typedefElement,
       ResolutionRegistry registry)
-      : super(compiler, typedefElement, registry);
+      : super(resolution, typedefElement, registry);
 
   visitTypedef(Typedef node) {
     element.computeType(resolution);
@@ -31,7 +31,7 @@ class TypedefResolverVisitor extends TypeDefinitionVisitor {
     resolveTypeVariableBounds(node.typeParameters);
 
     FunctionSignature signature = SignatureResolver.analyze(
-        compiler,
+        resolution,
         scope,
         null /* typeVariables */,
         node.formals,