Revert "Add "load from .dill" file capability and run a white-box test."

tests/compiler/dart2js/dill_loader_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 file.
-
-import 'dart:async';
-import 'dart:io';
-import 'memory_compiler.dart';
-import 'package:async_helper/async_helper.dart';
-import 'package:compiler/src/diagnostics/spannable.dart' show Spannable;
-import 'package:compiler/src/elements/entities.dart'
-    show LibraryEntity, ClassEntity;
-import 'package:compiler/src/kernel/world_builder.dart';
-import 'package:compiler/src/library_loader.dart'
-    show ScriptLoader, LibraryLoaderTask;
-import 'package:compiler/src/script.dart' show Script;
-import 'package:compiler/src/apiimpl.dart' show CompilerImpl;
-import "package:expect/expect.dart";
-import 'package:path/path.dart' as path;
-
-/// Run the dartk.dart script, and return the binary encoded results.
-List<int> runDartk(Uri filename) {
-  String basePath = path.fromUri(Uri.base);
-  String dartkPath =
-      path.normalize(path.join(basePath, 'tools/dartk_wrappers/dartk'));
-
-  var args = [filename.path, '-fbin', '-ostdout'];
-  ProcessResult result = Process.runSync(
-      dartkPath, [filename.path, '-fbin', '-ostdout'],
-      stdoutEncoding: null);
-  Expect.equals(0, result.exitCode);
-  return result.stdout;
-}
-
-class TestScriptLoader implements ScriptLoader {
-  CompilerImpl compiler;
-  TestScriptLoader(this.compiler);
-
-  Future<Script> readScript(Uri uri, [Spannable spannable]) =>
-      compiler.readScript(uri, spannable);
-}
-
-/// Test that the compiler can successfully read in .dill kernel files rather
-/// than just string source files.
-main() {
-  asyncTest(() async {
-    Uri uri = Uri.base.resolve('tests/corelib/list_literal_test.dart');
-    File entity = new File.fromUri(uri);
-    DiagnosticCollector diagnostics = new DiagnosticCollector();
-    OutputCollector output = new OutputCollector();
-    Uri entryPoint = Uri.parse('memory:main.dill');
-    List<int> kernelBinary = runDartk(entity.uri);
-
-    CompilerImpl compiler = compilerFor(
-        entryPoint: entryPoint,
-        memorySourceFiles: {'main.dill': kernelBinary},
-        diagnosticHandler: diagnostics,
-        outputProvider: output,
-        options: ['--read-dill']);
-    await compiler.setupSdk();
-    dynamic loader = new LibraryLoaderTask(
-        true,
-        compiler.resolvedUriTranslator,
-        new TestScriptLoader(compiler),
-        null,
-        null,
-        null,
-        null,
-        null,
-        compiler.reporter,
-        compiler.measurer);
-
-    await loader.loadLibrary(entryPoint);
-
-    Expect.equals(0, diagnostics.errors.length);
-    Expect.equals(0, diagnostics.warnings.length);
-
-    KernelWorldBuilder worldBuilder = loader.worldBuilder;
-    LibraryEntity library = worldBuilder.lookupLibrary(uri);
-    Expect.isNotNull(library);
-    ClassEntity clss = worldBuilder.lookupClass(library, 'ListLiteralTest');
-    Expect.isNotNull(clss);
-    var member = worldBuilder.lookupClassMember(clss, 'testMain');
-    Expect.isNotNull(member);
-  });
-}