Qualify the precompiled shared library name with the snapshot directory instead of using LD_LIBRARY…

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 252 matching lines @@
     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)];
+        suite.dartPrecompiledBinaryFileName,
+        augmentedArgs,
+        environmentOverrides)];
   }
 }
 
 /// 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'";
   }
 }