Move the wire protocol support into the public API

pkg/analysis_server/test/services/completion/keyword_contributor_test.dart

Index: pkg/analysis_server/test/services/completion/keyword_contributor_test.dart
diff --git a/pkg/analysis_server/test/services/completion/keyword_contributor_test.dart b/pkg/analysis_server/test/services/completion/keyword_contributor_test.dart
index 882efd911a78ef58f18bcd1edb24c93d25c8bd7e..043e89c1c85c7f338ae8a5e693cf5b567b03afb8 100644
--- a/pkg/analysis_server/test/services/completion/keyword_contributor_test.dart
+++ b/pkg/analysis_server/test/services/completion/keyword_contributor_test.dart
@@ -4,7 +4,7 @@
 
 library test.services.completion.dart.keyword;
 
-import 'package:analysis_server/src/protocol.dart';
+import 'package:analysis_server/plugin/protocol/protocol.dart';
 import 'package:analysis_server/src/services/completion/dart_completion_manager.dart';
 import 'package:analysis_server/src/services/completion/keyword_contributor.dart';
 import 'package:analyzer/src/generated/scanner.dart';
@@ -430,6 +430,16 @@ class KeywordContributorTest extends AbstractCompletionTest {
         relevance: DART_RELEVANCE_HIGH);
   }
 
+  test_catch() {
+    addTestSource('main() {try {} catch (e) {^}}}');
+    expect(computeFast(), isTrue);
+    var keywords = <Keyword>[];
+    keywords.addAll(STMT_START_OUTSIDE_CLASS);
+    keywords.add(Keyword.RETHROW);
+    assertSuggestKeywords(keywords,
+        relevance: DART_RELEVANCE_KEYWORD);
+  }
+
   test_class() {
     addTestSource('class A e^ { }');
     expect(computeFast(), isTrue);
@@ -607,16 +617,6 @@ class KeywordContributorTest extends AbstractCompletionTest {
         relevance: DART_RELEVANCE_KEYWORD);
   }
 
-  test_catch() {
-    addTestSource('main() {try {} catch (e) {^}}}');
-    expect(computeFast(), isTrue);
-    var keywords = <Keyword>[];
-    keywords.addAll(STMT_START_OUTSIDE_CLASS);
-    keywords.add(Keyword.RETHROW);
-    assertSuggestKeywords(keywords,
-        relevance: DART_RELEVANCE_KEYWORD);
-  }
-
   test_for_break_continue2() {
     addTestSource('class A {foo() {for (int x in myList) {^}}}');
     expect(computeFast(), isTrue);