Add "checked mode compile time error" type to analysis server API.

pkg/analysis_server/lib/src/generated_protocol.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.
 //
 // 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".
 
 part of protocol;
 /**
@@ skipping 4737 matching lines @@
   String toString() => "AnalysisErrorSeverity.$name";
 
   String toJson() => name;
 }
 
 /**
  * AnalysisErrorType
  *
  * enum {
  *   ANGULAR
+ *   CHECKED_MODE_COMPILE_TIME_ERROR
  *   COMPILE_TIME_ERROR
  *   HINT
  *   POLYMER
  *   STATIC_TYPE_WARNING
  *   STATIC_WARNING
  *   SYNTACTIC_ERROR
  *   TODO
  * }
  */
 class AnalysisErrorType {
   static const ANGULAR = const AnalysisErrorType._("ANGULAR");
 
+  static const CHECKED_MODE_COMPILE_TIME_ERROR = const AnalysisErrorType._("CHECKED_MODE_COMPILE_TIME_ERROR");
+
   static const COMPILE_TIME_ERROR = const AnalysisErrorType._("COMPILE_TIME_ERROR");
 
   static const HINT = const AnalysisErrorType._("HINT");
 
   static const POLYMER = const AnalysisErrorType._("POLYMER");
 
   static const STATIC_TYPE_WARNING = const AnalysisErrorType._("STATIC_TYPE_WARNING");
 
   static const STATIC_WARNING = const AnalysisErrorType._("STATIC_WARNING");
 
   static const SYNTACTIC_ERROR = const AnalysisErrorType._("SYNTACTIC_ERROR");
 
   static const TODO = const AnalysisErrorType._("TODO");
 
   final String name;
 
   const AnalysisErrorType._(this.name);
 
   factory AnalysisErrorType(String name) {
     switch (name) {
       case "ANGULAR":
         return ANGULAR;
+      case "CHECKED_MODE_COMPILE_TIME_ERROR":
+        return CHECKED_MODE_COMPILE_TIME_ERROR;
       case "COMPILE_TIME_ERROR":
         return COMPILE_TIME_ERROR;
       case "HINT":
         return HINT;
       case "POLYMER":
         return POLYMER;
       case "STATIC_TYPE_WARNING":
         return STATIC_TYPE_WARNING;
       case "STATIC_WARNING":
         return STATIC_WARNING;
@@ skipping 5426 matching lines @@
     return false;
   }
 
   @override
   int get hashCode {
     int hash = 0;
     hash = _JenkinsSmiHash.combine(hash, newName.hashCode);
     return _JenkinsSmiHash.finish(hash);
   }
 }