Move isPrivateName and isPublicName to Name.

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

Index: pkg/compiler/lib/src/resolution/constructors.dart
diff --git a/pkg/compiler/lib/src/resolution/constructors.dart b/pkg/compiler/lib/src/resolution/constructors.dart
index 67e9461470d5be374c0d6fe1698ae81993e614b1..cff366c5327ee36d067c8a8e54f20122f607e92c 100644
--- a/pkg/compiler/lib/src/resolution/constructors.dart
+++ b/pkg/compiler/lib/src/resolution/constructors.dart
@@ -4,8 +4,7 @@
 
 library dart2js.resolution.constructors;
 import '../compiler.dart' show
-    Compiler,
-    isPrivateName;
+    Compiler;
 import '../constants/constructors.dart' show
     GenerativeConstantConstructor,
     RedirectingGenerativeConstantConstructor;
@@ -459,7 +458,7 @@ class ConstructorResolver extends CommonResolverVisitor<Element> {
     cls.ensureResolved(compiler);
     Element result = cls.lookupConstructor(constructorName);
     // TODO(johnniwinther): Use [Name] for lookup.
-    if (isPrivateName(constructorName) &&
+    if (Name.isPrivateName(constructorName) &&
         resolver.enclosingElement.library != cls.library) {
       result = null;
     }