Make net_unittests_run work with component=shared_library.

net/net_unittests.isolate

Index: net/net_unittests.isolate
diff --git a/net/net_unittests.isolate b/net/net_unittests.isolate
index 96e6517558818e92dcb4c9123607b716a89d495f..e0058229755e2a5ea210084d54e0ec5dd6e9c86d 100644
--- a/net/net_unittests.isolate
+++ b/net/net_unittests.isolate
@@ -1,4 +1,4 @@
-# Copyright (c) 2012 The Chromium Authors. All rights reserved.
+# 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.
 {
@@ -38,14 +38,8 @@
         ],
       },
     }],
-    ['OS=="win"', {
-      'variables': {
-        'isolate_dependency_tracked': [
-        ],
-      },
-    }],
   ],
   'includes': [
-    '../third_party/icu/icu.isolate',
+    'net.isolate',
   ],
 }