rename completion constants and cleanup comment

pkg/analysis_server/lib/src/services/completion/keyword_computer.dart

 // Copyright (c) 2014, 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 services.completion.computer.dart.keyword;
 
 import 'dart:async';
 
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analysis_server/src/services/completion/dart_completion_manager.dart';
@@ skipping 98 matching lines @@
       Token token = node.declarations[0].firstTokenAfterCommentAndMetadata;
       if (token.offset <= request.offset && request.offset <= token.end) {
         startOfDeclarations = token.end;
       }
     }
 
     // Simplistic check for library as first directive
     if (firstDirective is! LibraryDirective) {
       if (firstDirective != null) {
         if (request.offset <= firstDirective.offset) {
-          _addSuggestions([Keyword.LIBRARY], COMPLETION_RELEVANCE_HIGH);
+          _addSuggestions([Keyword.LIBRARY], DART_RELEVANCE_HIGH);
         }
       } else {
         if (request.offset <= startOfDeclarations) {
-          _addSuggestions([Keyword.LIBRARY], COMPLETION_RELEVANCE_HIGH);
+          _addSuggestions([Keyword.LIBRARY], DART_RELEVANCE_HIGH);
         }
       }
     }
     if (request.offset <= startOfDeclarations) {
       _addSuggestions(
           [Keyword.EXPORT, Keyword.IMPORT, Keyword.PART],
-          COMPLETION_RELEVANCE_HIGH);
+          DART_RELEVANCE_HIGH);
     }
     if (request.offset >= endOfDirectives) {
       _addSuggestions(
           [
               Keyword.ABSTRACT,
               Keyword.CLASS,
               Keyword.CONST,
               Keyword.FINAL,
               Keyword.TYPEDEF,
               Keyword.VAR],
-          COMPLETION_RELEVANCE_HIGH);
+          DART_RELEVANCE_HIGH);
     }
   }
 
   @override
   visitNode(AstNode node) {
     if (_isOffsetAfterNode(node)) {
       node.parent.accept(this);
     }
   }
 
@@ skipping 31 matching lines @@
   }
 
   void visitVariableDeclarationList(VariableDeclarationList node) {
     node.parent.accept(this);
   }
 
   void _addClassDeclarationKeywords(ClassDeclaration node) {
     // Very simplistic suggestion because analyzer will warn if
     // the extends / with / implements keywords are out of order
     if (node.extendsClause == null) {
-      _addSuggestion(Keyword.EXTENDS, COMPLETION_RELEVANCE_HIGH);
+      _addSuggestion(Keyword.EXTENDS, DART_RELEVANCE_HIGH);
     } else if (node.withClause == null) {
-      _addSuggestion(Keyword.WITH, COMPLETION_RELEVANCE_HIGH);
+      _addSuggestion(Keyword.WITH, DART_RELEVANCE_HIGH);
     }
     if (node.implementsClause == null) {
-      _addSuggestion(Keyword.IMPLEMENTS, COMPLETION_RELEVANCE_HIGH);
+      _addSuggestion(Keyword.IMPLEMENTS, DART_RELEVANCE_HIGH);
     }
   }
 
   void _addSuggestion(Keyword keyword, [int relevance =
-      COMPLETION_RELEVANCE_DEFAULT]) {
+      DART_RELEVANCE_DEFAULT]) {
     String completion = keyword.syntax;
     request.suggestions.add(
         new CompletionSuggestion(
             CompletionSuggestionKind.KEYWORD,
             relevance,
             completion,
             completion.length,
             0,
             false,
             false));
@@ skipping 11 matching lines @@
       Token token = node.endToken;
       if (token != null && !token.isSynthetic) {
         if (token.lexeme == ';' || token.lexeme == '}') {
           return true;
         }
       }
     }
     return false;
   }
 }