Move common identifiers, names and selectors to a separate library.

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

Index: pkg/compiler/lib/src/resolution/class_members.dart
diff --git a/pkg/compiler/lib/src/resolution/class_members.dart b/pkg/compiler/lib/src/resolution/class_members.dart
index 928f319ef756c543167865a935e57a87ac4d2eee..449173373f7fc9884d5d3f0024b21a44a29d57bd 100644
--- a/pkg/compiler/lib/src/resolution/class_members.dart
+++ b/pkg/compiler/lib/src/resolution/class_members.dart
@@ -4,6 +4,8 @@
 
 library dart2js.resolution.compute_members;
 
+import '../common/names.dart' show
+    Identifiers;
 import '../compiler.dart' show
     Compiler,
     isPrivateName;
@@ -60,7 +62,8 @@ abstract class MembersCreator {
 
   bool shouldSkipName(String name) {
     return computedMemberNames != null &&
-           computedMemberNames.contains(name);
+           // 'call' is implicitly contained in [computedMemberNames].
+           (name == Identifiers.call || computedMemberNames.contains(name));
   }
 
   /// Compute all members of [cls] with the given names.
@@ -306,7 +309,7 @@ abstract class MembersCreator {
     assert(!cls.isAbstract);
 
     if (cls.asInstanceOf(compiler.functionClass) == null) return;
-    if (cls.lookupMember(Compiler.CALL_OPERATOR_NAME) != null) return;
+    if (cls.lookupMember(Identifiers.call) != null) return;
     // TODO(johnniwinther): Make separate methods for backend exceptions.
     // Avoid warnings on backend implementation classes for closures.
     if (compiler.backend.isBackendLibrary(cls.library)) return;
@@ -314,8 +317,8 @@ abstract class MembersCreator {
     reportMessage(compiler.functionClass, MessageKind.UNIMPLEMENTED_METHOD, () {
       compiler.reportWarning(cls, MessageKind.UNIMPLEMENTED_METHOD_ONE,
           {'class': cls.name,
-           'name': Compiler.CALL_OPERATOR_NAME,
-           'method': Compiler.CALL_OPERATOR_NAME,
+           'name': Identifiers.call,
+           'method': Identifiers.call,
            'declarer': compiler.functionClass.name});
     });
   }
@@ -845,7 +848,7 @@ abstract class ClassMemberMixin implements ClassElement {
     if (computedMemberNames == null) {
       computedMemberNames = _EMPTY_MEMBERS_NAMES;
     }
-    if (name != Compiler.CALL_OPERATOR_NAME) {
+    if (name != Identifiers.call) {
       Setlet<String> set;
       if (identical(computedMemberNames, _EMPTY_MEMBERS_NAMES)) {
         computedMemberNames = set = new Setlet<String>();
@@ -872,7 +875,7 @@ abstract class ClassMemberMixin implements ClassElement {
     if (computedMemberNames == null) {
       return classMembers != null;
     } else {
-      return name == Compiler.CALL_OPERATOR_NAME ||
+      return name == Identifiers.call ||
              computedMemberNames.contains(name);
     }
   }