Revert "Move `analyzer_cli` into the SDK."

pkg/analyzer_cli/test/utils.dart

Index: pkg/analyzer_cli/test/utils.dart
diff --git a/pkg/analyzer_cli/test/utils.dart b/pkg/analyzer_cli/test/utils.dart
deleted file mode 100644
index 25779ab18668b6bade22de94de3fd060b4582032..0000000000000000000000000000000000000000
--- a/pkg/analyzer_cli/test/utils.dart
+++ /dev/null
@@ -1,56 +0,0 @@
-// Copyright (c) 2015, 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.
-
-library analyzer_cli.test.utils;
-
-import 'dart:io';
-import 'dart:mirrors';
-
-import 'package:analyzer/analyzer.dart';
-import 'package:path/path.dart' as pathos;
-
-/// Returns the string representation of the [AnalyzerErrorGroup] thrown when
-/// parsing [contents] as a Dart file. If [contents] doesn't throw any errors,
-/// this will return null.
-///
-/// This replaces the filename in the error string with its basename, since the
-/// full path will vary from machine to machine. It also replaces the exception
-/// message with "..." to decouple these tests from the specific exception
-/// messages.
-String errorsForFile(String contents) {
-  return withTempDir((temp) {
-    var path = pathos.join(temp, 'test.dart');
-    new File(path).writeAsStringSync(contents);
-    try {
-      parseDartFile(path);
-    } on AnalyzerErrorGroup catch (e) {
-      return e.toString().replaceAllMapped(
-          new RegExp(r"^(Error on line \d+ of )((?:[A-Z]+:)?[^:]+): .*$",
-              multiLine: true),
-          (match) => match[1] + pathos.basename(match[2]) + ': ...');
-    }
-    return null;
-  });
-}
-
-/// Creates a temporary directory and passes its path to [fn]. Once [fn]
-/// completes, the temporary directory and all its contents will be deleted.
-///
-/// Returns the return value of [fn].
-dynamic withTempDir(fn(String path)) {
-  var tempDir = Directory.systemTemp.createTempSync('analyzer_').path;
-  try {
-    return fn(tempDir);
-  } finally {
-    new Directory(tempDir).deleteSync(recursive: true);
-  }
-}
-
-/// Gets the test directory in a way that works with
-/// package:test and package:unittest.
-/// See <https://github.com/dart-lang/test/issues/110> for more info.
-final String testDirectory = pathos.dirname(
-    pathos.fromUri((reflectClass(_TestUtils).owner as LibraryMirror).uri));
-
-class _TestUtils {}