Add kythe support to plugins and format the spec files

pkg/analyzer_plugin/test/integration/support/protocol_matchers.dart

 // Copyright (c) 2017, 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.
 //
 // This file has been automatically generated.  Please do not edit it manually.
 // To regenerate the file, use the script
 // "pkg/analysis_server/tool/spec/generate_files".
 
 /**
  * Matchers for data types defined in the analysis server API
@@ skipping 488 matching lines @@
   "TOP_LEVEL_SETTER_DECLARATION",
   "TOP_LEVEL_SETTER_REFERENCE",
   "TOP_LEVEL_VARIABLE_DECLARATION",
   "TYPE_NAME_DYNAMIC",
   "TYPE_PARAMETER",
   "UNRESOLVED_INSTANCE_MEMBER_REFERENCE",
   "VALID_STRING_ESCAPE"
 ]);
 
 /**
+ * KytheEntry
+ *
+ * {
+ *   "source": KytheVName
+ *   "kind": String
+ *   "target": KytheVName
+ *   "fact": String
+ *   "value": List<int>
+ * }
+ */
+final Matcher isKytheEntry =
+    new LazyMatcher(() => new MatchesJsonObject("KytheEntry", {
+          "source": isKytheVName,
+          "kind": isString,
+          "target": isKytheVName,
+          "fact": isString,
+          "value": isListOf(isInt)
+        }));
+
+/**
+ * KytheVName
+ *
+ * {
+ *   "signature": String
+ *   "corpus": String
+ *   "root": String
+ *   "path": String
+ *   "language": String
+ * }
+ */
+final Matcher isKytheVName =
+    new LazyMatcher(() => new MatchesJsonObject("KytheVName", {
+          "signature": isString,
+          "corpus": isString,
+          "root": isString,
+          "path": isString,
+          "language": isString
+        }));
+
+/**
  * LinkedEditGroup
  *
  * {
  *   "positions": List<Position>
  *   "length": int
  *   "suggestions": List<LinkedEditSuggestion>
  * }
  */
 final Matcher isLinkedEditGroup =
     new LazyMatcher(() => new MatchesJsonObject("LinkedEditGroup", {
@@ skipping 821 matching lines @@
  * {
  *   "deleteSource": bool
  *   "inlineAll": bool
  * }
  */
 final Matcher isInlineMethodOptions = new LazyMatcher(() =>
     new MatchesJsonObject(
         "inlineMethod options", {"deleteSource": isBool, "inlineAll": isBool}));
 
 /**
+ * kythe.getKytheEntries params
+ *
+ * {
+ *   "file": FilePath
+ * }
+ */
+final Matcher isKytheGetKytheEntriesParams = new LazyMatcher(() =>
+    new MatchesJsonObject(
+        "kythe.getKytheEntries params", {"file": isFilePath}));
+
+/**
+ * kythe.getKytheEntries result
+ *
+ * {
+ *   "entries": List<KytheEntry>
+ *   "files": List<FilePath>
+ * }
+ */
+final Matcher isKytheGetKytheEntriesResult = new LazyMatcher(() =>
+    new MatchesJsonObject("kythe.getKytheEntries result",
+        {"entries": isListOf(isKytheEntry), "files": isListOf(isFilePath)}));
+
+/**
  * moveFile feedback
  */
 final Matcher isMoveFileFeedback = isNull;
 
 /**
  * moveFile options
  *
  * {
  *   "newFile": FilePath
  * }
@@ skipping 81 matching lines @@
 
 /**
  * rename options
  *
  * {
  *   "newName": String
  * }
  */
 final Matcher isRenameOptions = new LazyMatcher(
     () => new MatchesJsonObject("rename options", {"newName": isString}));