Renames to move closer to the new API

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

Index: pkg/analysis_server/lib/src/services/completion/completion_manager.dart
diff --git a/pkg/analysis_server/lib/src/services/completion/completion_manager.dart b/pkg/analysis_server/lib/src/services/completion/completion_manager.dart
index 5708274e7a85f7fed489fcac643d48d8c64441a4..986cc8b40f4dc2917a4e5aed97dcb8404ceeaae3 100644
--- a/pkg/analysis_server/lib/src/services/completion/completion_manager.dart
+++ b/pkg/analysis_server/lib/src/services/completion/completion_manager.dart
@@ -7,7 +7,7 @@ library services.completion.manager;
 import 'dart:async';
 
 import 'package:analysis_server/completion/completion_core.dart'
-    show CompletionRequest;
+    show CompletionRequest, CompletionResult;
 import 'package:analysis_server/src/analysis_server.dart';
 import 'package:analysis_server/src/protocol.dart';
 import 'package:analysis_server/src/services/completion/dart_completion_manager.dart';
@@ -246,7 +246,7 @@ class CompletionRequestImpl implements CompletionRequest {
 /**
  * Code completion result generated by an [CompletionManager].
  */
-class CompletionResult {
+class CompletionResultImpl implements CompletionResult {
 
   /**
    * The length of the text to be replaced if the remainder of the identifier
@@ -274,8 +274,15 @@ class CompletionResult {
    */
   final bool last;
 
-  CompletionResult(this.replacementOffset, this.replacementLength,
+  CompletionResultImpl(this.replacementOffset, this.replacementLength,
       this.suggestions, this.last);
+
+  @override
+  // TODO(brianwilkerson) Figure out whether this is correct.
+  bool get hasNewSuggestions => suggestions.isNotEmpty;
+
+  @override
+  bool get isLast => last;
 }
 
 class NoOpCompletionManager extends CompletionManager {
@@ -283,7 +290,7 @@ class NoOpCompletionManager extends CompletionManager {
 
   @override
   void computeSuggestions(CompletionRequest request) {
-    controller.add(new CompletionResult(request.offset, 0, [], true));
+    controller.add(new CompletionResultImpl(request.offset, 0, [], true));
   }
 }