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

tools/testing/dart/runtime_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 runtime_configuration;
 
 import 'compiler_configuration.dart' show
     CommandArtifact;
 
 // TODO(ahe): Remove this import, we can precompute all the values required
@@ skipping 34 matching lines @@
 
       case 'd8':
         return new D8RuntimeConfiguration();
 
       case 'none':
         return new NoneRuntimeConfiguration();
 
       case 'vm':
         return new StandaloneDartRuntimeConfiguration();
 
+      case 'dart_precompiled':
+        return new DartPrecompiledRuntimeConfiguration();
+
       case 'drt':
         return new DrtRuntimeConfiguration();
 
       default:
         throw "Unknown runtime '$runtime'";
     }
   }
 
   RuntimeConfiguration._subclass();
 
@@ skipping 146 matching lines @@
     String script = artifact.filename;
     String type = artifact.mimeType;
     if (script != null && type != 'application/dart') {
       throw "Dart VM cannot run files of type '$type'.";
     }
     return <Command>[commandBuilder.getVmCommand(
           suite.dartVmBinaryFileName, arguments, environmentOverrides)];
   }
 }
 
+
+class DartPrecompiledRuntimeConfiguration extends DartVmRuntimeConfiguration {
+  List<Command> computeRuntimeCommands(
+      TestSuite suite,
+      CommandBuilder commandBuilder,
+      CommandArtifact artifact,
+      List<String> arguments,
+      Map<String, String> environmentOverrides) {
+    String script = artifact.filename;
+    String type = artifact.mimeType;
+    if (script != null && type != 'application/dart-precompiled') {
+      throw "dart_precompiled cannot run files of type '$type'.";
+    }
+
+    var augmentedArgs = new List();
+    augmentedArgs.add("--run-precompiled-snapshot=${artifact.filename}");
+    augmentedArgs.addAll(arguments);
+
+    var augmentedEnv = new Map.from(environmentOverrides);
+    augmentedEnv['LD_LIBRARY_PATH'] = artifact.filename;
+
+    return <Command>[commandBuilder.getVmCommand(
+          suite.dartPrecompiledBinaryFileName, augmentedArgs, augmentedEnv)];
+  }
+}
+
 /// Temporary runtime configuration for browser runtimes that haven't been
 /// migrated yet.
 // TODO(ahe): Remove this class.
 class DummyRuntimeConfiguration extends DartVmRuntimeConfiguration {
   List<Command> computeRuntimeCommands(
       TestSuite suite,
       CommandBuilder commandBuilder,
       CommandArtifact artifact,
       List<String> arguments,
       Map<String, String> environmentOverrides) {
     throw "Unimplemented runtime '$runtimeType'";
   }
 }