Deprecate all diagnostics methods that use strings.

pkg/front_end/test/fasta/shaker_test.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.md file.
 
 /// Tests basic functionality of the API tree-shaker.
 ///
 /// Each input file is built and tree-shaken, then we check that the set of
 /// libraries, classes, and members that are retained match those declared in an
 /// expectations file.
 ///
 /// Input files may contain markers to turn on flags that configure this
 /// runner. Currently only the following marker is recognized:
 ///   @@SHOW_CORE_LIBRARIES@@ - whether to check for retained information from
 ///      the core libraries. By default this runner only checks for members of
 ///      pkg/front_end/testcases/shaker/lib/lib.dart.
 library fasta.test.shaker_test;
 
 import 'dart:async' show Future;
 import 'dart:convert' show JSON;
 import 'dart:io' show File;
 
 export 'package:testing/testing.dart' show Chain, runMe;
 import 'package:front_end/physical_file_system.dart';
 import 'package:front_end/src/fasta/dill/dill_target.dart' show DillTarget;
-import 'package:front_end/src/fasta/errors.dart' show InputError;
+import 'package:front_end/src/fasta/deprecated_problems.dart'
+    show deprecated_InputError;
 import 'package:front_end/src/fasta/kernel/kernel_target.dart'
     show KernelTarget;
 import 'package:front_end/src/fasta/kernel/verifier.dart' show verifyProgram;
 import 'package:front_end/src/fasta/testing/kernel_chain.dart' show runDiff;
 import 'package:front_end/src/fasta/testing/patched_sdk_location.dart';
 import 'package:front_end/src/fasta/ticker.dart' show Ticker;
 import 'package:front_end/src/fasta/translate_uri.dart' show TranslateUri;
 import 'package:front_end/src/fasta/util/relativize.dart' show relativizeUri;
 import 'package:kernel/ast.dart' show Program;
 import 'package:kernel/kernel.dart' show loadProgramFromBytes;
@@ skipping 90 matching lines @@
       var contents = new File.fromUri(inputUri).readAsStringSync();
       var showCoreLibraries = contents.contains("@@SHOW_CORE_LIBRARIES@@");
 
       await sourceTarget.buildOutlines();
       // Note: We run the tree-shaker as a separate step on this suite to be
       // able to specify what libraries to tree shake (by default only the code
       // in the dillTarget gets tree-shaken). We could apply the tree-shaker
       // twice, but that seems unnecessary.
       var program = await sourceTarget.buildProgram(trimDependencies: true);
       return pass(new _IntermediateData(inputUri, program, showCoreLibraries));
-    } on InputError catch (e, s) {
+    } on deprecated_InputError catch (e, s) {
       return fail(null, e.error, s);
     }
   }
 }
 
 /// Intermediate result from the testing chain.
 class _IntermediateData {
   /// The input URI provided to the test.
   final Uri uri;
 
@@ skipping 90 matching lines @@
           """
 Please create file ${expectedFile.path} with this content:
 $buffer""");
     }
   }
 }
 
 /// A special library used only to test the shaker. The suite above will
 /// tree-shake the contents of this library.
 const _specialLibraryPath = 'pkg/front_end/testcases/shaker/lib/lib.dart';