Add ./tools/test.py -c precompiler -r dart_precompiled.

tools/testing/dart/test_suite.dart

 // Copyright (c) 2012, 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.
 
 /**
  * Classes and methods for enumerating and preparing tests.
  *
  * This library includes:
  *
  * - Creating tests by listing all the Dart files in certain directories,
@@ skipping 194 matching lines @@
       String suffix = executableBinarySuffix;
       dartExecutable = useSdk
           ? '$buildDir/dart-sdk/bin/dart$suffix'
           : '$buildDir/dart$suffix';
     }
 
     TestUtils.ensureExists(dartExecutable, configuration);
     return dartExecutable;
   }
 
+  String get dartPrecompiledBinaryFileName {
+    // Controlled by user with the option "--dart_precompiled".
+    String dartExecutable = configuration['dart_precompiled'];
+
+    if (dartExecutable == null || dartExecutable == '') {
+      String suffix = executableBinarySuffix;
+      dartExecutable = '$buildDir/dart_precompiled$suffix';
+    }
+
+    TestUtils.ensureExists(dartExecutable, configuration);
+    return dartExecutable;
+  }
+
   String get d8FileName {
     var suffix = getExecutableSuffix('d8');
     var d8Dir = TestUtils.dartDir.append('third_party/d8');
     var d8Path = d8Dir.append('${Platform.operatingSystem}/d8$suffix');
     var d8 = d8Path.toNativePath();
     TestUtils.ensureExists(d8, configuration);
     return d8;
   }
 
   String get jsShellFileName {
@@ skipping 778 matching lines @@
 
   List<Command> makeCommands(TestInformation info, var vmOptions, var args) {
     List<Command> commands = <Command>[];
     CompilerConfiguration compilerConfiguration =
         new CompilerConfiguration(configuration);
     List<String> sharedOptions = info.optionsFromFile['sharedOptions'];
 
     List<String> compileTimeArguments = <String>[];
     String tempDir;
     if (compilerConfiguration.hasCompiler) {
-      compileTimeArguments
-          ..addAll(sharedOptions)
-          ..addAll(args);
+      compileTimeArguments =
+          compilerConfiguration.computeCompilerArguments(vmOptions,
+                                                         sharedOptions,
+                                                         args);
       // Avoid doing this for analyzer.
       tempDir = createCompilationOutputDirectory(info.filePath);
     }
 
     CommandArtifact compilationArtifact =
         compilerConfiguration.computeCompilationArtifact(
             buildDir,
             tempDir,
             CommandBuilder.instance,
             compileTimeArguments,
@@ skipping 742 matching lines @@
              "hasStaticWarning" : false,
              "otherScripts": otherScripts,
              "isMultitest": isMultitest,
              "isMultiHtmlTest": isMultiHtmlTest,
              "subtestNames": subtestNames,
              "isolateStubs": isolateStubs,
              "containsDomImport": containsDomImport };
   }
 
   List<List<String>> getVmOptions(Map optionsFromFile) {
-    var COMPILERS = const ['none'];
-    var RUNTIMES = const ['none', 'vm', 'drt', 'dartium',
+    var COMPILERS = const ['none', 'precompiler'];
+    var RUNTIMES = const ['none', 'dart_precompiled', 'vm', 'drt', 'dartium',
                           'ContentShellOnAndroid', 'DartiumOnAndroid'];
     var needsVmOptions = COMPILERS.contains(configuration['compiler']) &&
                          RUNTIMES.contains(configuration['runtime']);
     if (!needsVmOptions) return [[]];
     final vmOptions = optionsFromFile['vmOptions'];
     return vmOptions;
   }
 
   /**
    * Read options from a co19 test file.
@@ skipping 630 matching lines @@
       for (var key in PATH_REPLACEMENTS.keys) {
         if (path.startsWith(key)) {
           path = path.replaceFirst(key, PATH_REPLACEMENTS[key]);
           break;
         }
       }
     }
     return path;
   }
 }