Linux sandbox: add sandbox_linux_unittests.isolate

sandbox/sandbox_linux_unittests.isolate

+# Copyright 2014 The Chromium Authors. All rights reserved.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+# Because of a limitation in isolate_driver.py, this file needs to be in
+# the same directory as the main .gyp file.
+
+{
+  'conditions': [
+    ['OS=="android" or OS=="linux"', {
+      'variables': {
+        'command': [
+          '<(PRODUCT_DIR)/sandbox_linux_unittests',
+        ],
+        'isolate_dependency_tracked': [
+          '<(PRODUCT_DIR)/sandbox_linux_unittests',
+        ],
+        'read_only': 1,
+      },
+    }],
+  ],
+  'includes': [
+    # This is needed because of base/ dependencies on
+    # icudtl.dat.
+    '../base/base.isolate',
+  ],
+}