Replace typed_mock with mockito in analysis_server.

pkg/analysis_server/test/analysis/update_content_test.dart

Index: pkg/analysis_server/test/analysis/update_content_test.dart
diff --git a/pkg/analysis_server/test/analysis/update_content_test.dart b/pkg/analysis_server/test/analysis/update_content_test.dart
index 8bd671c86b95b2091bec51d598c1c260ccbdd73a..f2733f8e1e192c8efd2a25231fa426e4d29f374a 100644
--- a/pkg/analysis_server/test/analysis/update_content_test.dart
+++ b/pkg/analysis_server/test/analysis/update_content_test.dart
@@ -5,8 +5,6 @@
 import 'package:analysis_server/protocol/protocol.dart';
 import 'package:analysis_server/protocol/protocol_constants.dart';
 import 'package:analysis_server/protocol/protocol_generated.dart';
-import 'package:analyzer/dart/ast/ast.dart';
-import 'package:analyzer/dart/ast/standard_resolution_map.dart';
 import 'package:analyzer/file_system/file_system.dart';
 import 'package:analyzer/src/dart/analysis/driver.dart';
 import 'package:analyzer_plugin/protocol/protocol_common.dart' as plugin;
@@ -14,7 +12,6 @@ import 'package:analyzer_plugin/protocol/protocol_common.dart';
 import 'package:analyzer_plugin/protocol/protocol_generated.dart' as plugin;
 import 'package:test/test.dart';
 import 'package:test_reflective_loader/test_reflective_loader.dart';
-import 'package:typed_mock/typed_mock.dart';
 
 import '../analysis_abstract.dart';
 
@@ -24,10 +21,6 @@ main() {
   });
 }
 
-compilationUnitMatcher(String file) {
-  return new _ArgumentMatcher_CompilationUnit(file);
-}
-
 @reflectiveTest
 class UpdateContentTest extends AbstractAnalysisTest {
   Map<String, List<String>> filesErrors = {};
@@ -271,16 +264,3 @@ f() {}
     return sources;
   }
 }
-
-class _ArgumentMatcher_CompilationUnit extends ArgumentMatcher {
-  final String file;
-
-  _ArgumentMatcher_CompilationUnit(this.file);
-
-  @override
-  bool matches(arg) {
-    return arg is CompilationUnit &&
-        resolutionMap.elementDeclaredByCompilationUnit(arg).source.fullName ==
-            file;
-  }
-}