Unmake some breaking changes made in previous CLs

Change-Id: I4c28418f8e5a3c9af7b37f44d7ebd3cd2d818c16
Reviewed-on: https://dart-review.googlesource.com/52160
Reviewed-by: Konstantin Shcheglov <[email protected]>
Commit-Queue: Brian Wilkerson <[email protected]>

Author: bwilkerson

pkg/analyzer/lib/context/context_root.dart

@@ -0,0 +1,8 @@
+// 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.
+
+@deprecated
+library context.context_root;
+
+export 'package:analyzer/src/context/context_root.dart';

pkg/analyzer/lib/source/line_info.dart

@@ -62,8 +62,13 @@ class LineInfo {
 
   /**
    * Return the location information for the character at the given [offset].
+   *
+   * A future version of this API will return a [CharacterLocation] rather than
+        // ignore: deprecated_member_use
+   * a [LineInfo_Location].
    */
-  CharacterLocation getLocation(int offset) {
+  // ignore: deprecated_member_use
+  LineInfo_Location getLocation(int offset) {
     var min = 0;
     var max = lineStarts.length - 1;
 

pkg/analyzer/lib/task/model.dart

@@ -0,0 +1,8 @@
+// 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.
+
+@deprecated
+library task.model;
+
+export 'package:analyzer/src/task/api/model.dart';