Make service tab launcher a component

components/components.gyp

 # Copyright (c) 2013 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': {
     # This turns on e.g. the filename-based detection of which
     # platforms to include source files on (e.g. files ending in
     # _mac.h or _mac.cc are only compiled on MacOSX).
     'chromium_code': 1,
@@ skipping 56 matching lines @@
     'webdata.gypi',
   ],
   'conditions': [
     ['OS != "ios"', {
       'includes': [
         'app_modal.gypi',
         'cdm.gypi',
         'navigation_interception.gypi',
         'plugins.gypi',
         'power.gypi',
+        'service_tab_launcher.gypi',

[Peter Beverloo, 2015/04/02 14:27:46]

Since we only use the service_tab_launcher on Android, why not have a
['OS=="android"] block?

That way the top-level condition in the gypi file can go as well, and it matches
(roughly) what you're doing in GN.

         'visitedlink.gypi',
         'web_cache.gypi',
         'web_contents_delegate_android.gypi',
         'web_modal.gypi',
         'webui_generator.gypi',
       ],
     }],
     ['OS == "ios"', {
       'includes': [
         'open_from_clipboard.gypi',
@@ skipping 57 matching lines @@
         'printing.gypi',
       ],
     }],
     ['enable_plugins==1', {
       'includes': [
         'pdf.gypi',
       ],
     }],
   ],
 }