Add gyp file which builds all compiled_resources.gyp files in Chrome

BUG=393873
R=dbeam@chromium.org
TEST=gyp --depth . third_party/closure_compiler/compiled_resources.gyp && ninja -C out/Default

Review URL: https://codereview.chromium.org/490213003

Cr-Commit-Position: refs/heads/master@{#291244}
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@291244 0039d316-1c4b-4281-b951-d872f2087c98

third_party/closure_compiler/compiled_resources.gyp

+# 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.
+{
+  'targets': [
+    {
+      'target_name': 'compile_all_resources',
+      'type': 'none',
+      'dependencies': [
+        '../../chrome/browser/resources/downloads/compiled_resources.gyp:*',
+        '../../ui/webui/resources/js/chromeos/compiled_resources.gyp:*',
+        '../../ui/webui/resources/js/compiled_resources.gyp:*',
+      ]
+    },
+  ]
+}