Remove package imports from itself.

pkg/front_end/lib/src/fasta/bin/run.dart

 // Copyright (c) 2016, 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.
 
 import 'dart:io' show exit, exitCode;
 
-import 'package:front_end/src/fasta/ast_kind.dart' show AstKind;
+import '../ast_kind.dart' show AstKind;
 
-import 'package:front_end/src/fasta/compiler_command_line.dart'
-    show CompilerCommandLine;
+import '../compiler_command_line.dart' show CompilerCommandLine;
 
-import 'package:front_end/src/fasta/compiler_context.dart' show CompilerContext;
+import '../compiler_context.dart' show CompilerContext;
 
-import 'package:front_end/src/fasta/outline.dart' show doCompile;
+import '../outline.dart' show doCompile;
 
-import 'package:front_end/src/fasta/errors.dart' show InputError;
+import '../errors.dart' show InputError;
 
-import 'package:front_end/src/fasta/run.dart' show run;
+import '../run.dart' show run;
 
-import 'package:front_end/src/fasta/ticker.dart' show Ticker;
+import '../ticker.dart' show Ticker;
 
 const int iterations = const int.fromEnvironment("iterations", defaultValue: 1);
 
 main(List<String> arguments) async {
   Uri uri;
   for (int i = 0; i < iterations; i++) {
     await CompilerCommandLine.withGlobalOptions("run", arguments,
         (CompilerContext c) async {
       if (i > 0) {
         print("\n");
       }
       try {
         uri = await doCompile(
             c, new Ticker(isVerbose: c.options.verbose), AstKind.Kernel);
       } on InputError catch (e) {
         print(e.format());
         exit(1);
       }
       if (exitCode != 0) exit(exitCode);
       if (i + 1 == iterations) {
         exit(await run(uri, c));
       }
     });
   }
 }