Remove the uri from the ImportedElements object in the experimental spec API

pkg/analysis_server/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 671 matching lines @@
  * }
  */
 final Matcher isImplementedMember = new LazyMatcher(() => new MatchesJsonObject(
     "ImplementedMember", {"offset": isInt, "length": isInt}));
 
 /**
  * ImportedElements
  *
  * {
  *   "path": FilePath
- *   "uri": String
  *   "prefix": String
  *   "elements": List<String>
  * }
  */
-final Matcher isImportedElements =
-    new LazyMatcher(() => new MatchesJsonObject("ImportedElements", {
-          "path": isFilePath,
-          "uri": isString,
-          "prefix": isString,
-          "elements": isListOf(isString)
-        }));
+final Matcher isImportedElements = new LazyMatcher(() => new MatchesJsonObject(
+    "ImportedElements",
+    {"path": isFilePath, "prefix": isString, "elements": isListOf(isString)}));
 
 /**
  * LinkedEditGroup
  *
  * {
  *   "positions": List<Position>
  *   "length": int
  *   "suggestions": List<LinkedEditSuggestion>
  * }
  */
@@ skipping 1830 matching lines @@
  * server.status params
  *
  * {
  *   "analysis": optional AnalysisStatus
  *   "pub": optional PubStatus
  * }
  */
 final Matcher isServerStatusParams = new LazyMatcher(() =>
     new MatchesJsonObject("server.status params", null,
         optionalFields: {"analysis": isAnalysisStatus, "pub": isPubStatus}));