Add support for component=shared_library for base_unittests_run.

net/third_party/nss/ssl.isolate

-# Copyright 2013 The Chromium Authors. All rights reserved.
+# Copyright (c) 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.
 {
   'conditions': [
-    ['OS=="android"', {
+    ['OS=="linux" and component=="shared_library" and use_openssl==0', {
       'variables': {
         'isolate_dependency_tracked': [
-          '<(PRODUCT_DIR)/linux_dumper_unittest_helper',
+          '<(PRODUCT_DIR)/lib/libcrssl.so',
         ],
       },
     }],
   ],
 }