sync: Separate .gyp file for standalone tools

sync/tools/sync_tools.gyp

Index: sync/tools/sync_tools.gyp
diff --git a/sync/tools/sync_tools.gyp b/sync/tools/sync_tools.gyp
new file mode 100644
index 0000000000000000000000000000000000000000..7cc8352e94af0d9b6d0d5f23736f21662fc09a5c
--- /dev/null
+++ b/sync/tools/sync_tools.gyp
@@ -0,0 +1,75 @@
+# 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.
+
+{
+  'variables': {
+    'chromium_code': 1,
+  },
+
+  'targets': [
+  {
+    'target_name': 'sync_tools_helper',
+    'type': 'static_library',
+    'defines': [
+      'SYNC_IMPLEMENTATION',
+    ],
+    'include_dirs': [
+      '../..',
+    ],
+    'dependencies': [
+      '../../base/base.gyp:base',
+      '../sync.gyp:sync',
+    ],
+    'export_dependent_settings': [
+      '../../base/base.gyp:base',
+      '../sync.gyp:sync',
+    ],
+    'sources': [
+      'null_invalidation_state_tracker.cc',
+      'null_invalidation_state_tracker.h',
+    ],
+  },
+  # A tool to listen to sync notifications and print them out.
+  {
+    'target_name': 'sync_listen_notifications',
+    'type': 'executable',
+    'defines': [
+      'SYNC_TEST',
+    ],
+    'dependencies': [
+      '../../base/base.gyp:base',
+      '../../jingle/jingle.gyp:notifier',
+      '../../net/net.gyp:net',
+      '../../net/net.gyp:net_test_support',
+      '../sync.gyp:sync',
+      'sync_tools_helper',
+    ],
+    'sources': [
+      'sync_listen_notifications.cc',
+    ],
+  },
+
+  # A standalone command-line sync client.
+  {
+    'target_name': 'sync_client',
+    'type': 'executable',
+    'defines': [
+      'SYNC_TEST',
+    ],
+    'dependencies': [
+      '../../base/base.gyp:base',
+      '../../jingle/jingle.gyp:notifier',
+      '../../net/net.gyp:net',
+      '../../net/net.gyp:net_test_support',
+      '../sync.gyp:sync',
+      '../sync.gyp:test_support_sync_core',
+      'sync_tools_helper',
+    ],
+    'sources': [
+      'sync_client.cc',
+    ],
+  },
+  ]
+}
+