Make service tab launcher a component

components/service_tab_launcher.gypi

Index: components/service_tab_launcher.gypi
diff --git a/components/service_tab_launcher.gypi b/components/service_tab_launcher.gypi
new file mode 100644
index 0000000000000000000000000000000000000000..a6abf8aab7c39683c15cbad5fde4360e88429970
--- /dev/null
+++ b/components/service_tab_launcher.gypi
@@ -0,0 +1,52 @@
+# Copyright 2015 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': [
+    {
+      # GN: //components/serivce_tab_launcher:service_tab_launcher
+      'target_name': 'service_tab_launcher',
+      'type': 'static_library',
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../content/content.gyp:content_browser',
+        'service_tab_launcher_jni_headers',
+      ],
+      'include_dirs': [
+        '..',
+      ],
+      'sources': [
+        'service_tab_launcher/browser/android/service_tab_launcher.cc',
+        'service_tab_launcher/browser/android/service_tab_launcher.h',
+        'service_tab_launcher/component_jni_registrar.cc',
+        'service_tab_launcher/component_jni_registrar.h',
+      ],
+    },
+    {
+      # GN: //components/serivce_tab_launcher:service_tab_launcher_java
+      'target_name': 'service_tab_launcher_java',
+      'type': 'none',
+      'dependencies': [
+        '../base/base.gyp:base',
+        '../content/content.gyp:content_java',
+      ],
+      'variables': {
+        'java_in_dir': 'service_tab_launcher/android/java',
+      },
+      'includes': [ '../build/java.gypi' ],
+    },
+    {
+      # GN: //components/serivce_tab_launcher:service_tab_launcher_jni_headers
+      'target_name': 'service_tab_launcher_jni_headers',
+      'type': 'none',
+      'sources': [
+        'service_tab_launcher/android/java/src/org/chromium/components/service_tab_launcher/ServiceTabLauncher.java',
+      ],
+      'variables': {
+        'jni_gen_package': 'service_tab_launcher',
+      },
+      'includes': [ '../build/jni_generator.gypi' ],
+    },
+  ],
+}