Add test harness option for app snapshots with unoptimized code.

tools/testing/dart/compiler_configuration.dart

 // Copyright (c) 2014, 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 compiler_configuration;
 
 import 'dart:io' show Platform;
 
 import 'runtime_configuration.dart' show RuntimeConfiguration;
 
@@ skipping 56 matching lines @@
             isChecked: isChecked,
             isHostChecked: isHostChecked,
             useCps: useCps,
             useSdk: useSdk,
             isCsp: isCsp,
             extraDart2jsOptions:
                 TestUtils.getExtraOptions(configuration, 'dart2js_options'));
       case 'dart2app':
         return new Dart2AppSnapshotCompilerConfiguration(
             isDebug: isDebug, isChecked: isChecked);
+      case 'dart2appjit':
+        return new Dart2AppJitSnapshotCompilerConfiguration(
+            isDebug: isDebug, isChecked: isChecked, useBlobs: useBlobs);
       case 'precompiler':
         return new PrecompilerCompilerConfiguration(
             isDebug: isDebug,
             isChecked: isChecked,
             arch: configuration['arch'],
             useBlobs: useBlobs,
             isAndroid: configuration['system'] == 'android');
       case 'none':
         return new NoneCompilerConfiguration(
             isDebug: isDebug,
@@ skipping 458 matching lines @@
       args.add('--enable_asserts');
       args.add('--enable_type_checks');
     }
     return args
       ..addAll(vmOptions)
       ..addAll(sharedOptions)
       ..addAll(originalArguments);
   }
 }
 
+class Dart2AppJitSnapshotCompilerConfiguration extends Dart2AppSnapshotCompilerConfiguration {
+  final bool useBlobs;
+  Dart2AppJitSnapshotCompilerConfiguration({bool isDebug, bool isChecked, bool useBlobs})
+      : super(isDebug: isDebug, isChecked: isChecked), this.useBlobs = useBlobs;
+
+  CompilationCommand computeCompilationCommand(
+      String tempDir,
+      String buildDir,
+      CommandBuilder commandBuilder,
+      List arguments,
+      Map<String, String> environmentOverrides) {
+    var exec = "$buildDir/dart";
+    var args = new List();
+    args.add("--snapshot=$tempDir");
+    args.add("--snapshot-kind=app-jit-after-run");
+    if (useBlobs) {
+      args.add("--use-blobs");
+    }
+    args.addAll(arguments);
+
+    return commandBuilder.getCompilationCommand(
+        'dart2snapshot',
+        tempDir,
+        !useSdk,
+        bootstrapDependencies(buildDir),
+        exec,
+        args,
+        environmentOverrides);
+  }
+}
+
 class AnalyzerCompilerConfiguration extends CompilerConfiguration {
   AnalyzerCompilerConfiguration(
       {bool isDebug, bool isChecked, bool isHostChecked, bool useSdk})
       : super._subclass(
             isDebug: isDebug,
             isChecked: isChecked,
             isHostChecked: isHostChecked,
             useSdk: useSdk);
 
   int computeTimeoutMultiplier() {
@@ skipping 40 matching lines @@
       RuntimeConfiguration runtimeConfiguration,
       String buildDir,
       TestInformation info,
       List<String> vmOptions,
       List<String> sharedOptions,
       List<String> originalArguments,
       CommandArtifact artifact) {
     return <String>[];
   }
 }