First step in enabling creating tabs without an Activity on Android.

chrome/chrome_browser.gypi

 # Copyright 2012 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': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 123 matching lines @@
       'browser/android/provider/bookmark_model_observer_task.cc',
       'browser/android/provider/bookmark_model_observer_task.h',
       'browser/android/provider/chrome_browser_provider.cc',
       'browser/android/provider/chrome_browser_provider.h',
       'browser/android/provider/run_on_ui_thread_blocking.h',
       'browser/android/recently_closed_tabs_bridge.cc',
       'browser/android/recently_closed_tabs_bridge.h',
       'browser/android/resource_mapper.cc',
       'browser/android/resource_mapper.h',
       'browser/android/resource_id.h',
+      'browser/android/service_tab_launcher.cc',
+      'browser/android/service_tab_launcher.h',
       'browser/android/shortcut_helper.cc',
       'browser/android/shortcut_helper.h',
       'browser/android/shortcut_info.cc',
       'browser/android/shortcut_info.h',
       'browser/android/signin/account_management_screen_helper.cc',
       'browser/android/signin/account_management_screen_helper.h',
       'browser/android/signin/signin_manager_android.cc',
       'browser/android/signin/signin_manager_android.h',
       'browser/android/tab_android.cc',
       'browser/android/tab_android.h',
@@ skipping 1447 matching lines @@
       'android/java/src/org/chromium/chrome/browser/PasswordUIView.java',
       'android/java/src/org/chromium/chrome/browser/preferences/autofill/AutofillProfileBridge.java',
       'android/java/src/org/chromium/chrome/browser/preferences/LocationSettings.java',
       'android/java/src/org/chromium/chrome/browser/preferences/PrefServiceBridge.java',
       'android/java/src/org/chromium/chrome/browser/preferences/website/WebsitePreferenceBridge.java',
       'android/java/src/org/chromium/chrome/browser/profiles/MostVisitedSites.java',
       'android/java/src/org/chromium/chrome/browser/profiles/Profile.java',
       'android/java/src/org/chromium/chrome/browser/profiles/ProfileDownloader.java',
       'android/java/src/org/chromium/chrome/browser/prerender/ExternalPrerenderHandler.java',
       'android/java/src/org/chromium/chrome/browser/RecentlyClosedBridge.java',
+      'android/java/src/org/chromium/chrome/browser/ServiceTabLauncher.java',
       'android/java/src/org/chromium/chrome/browser/ShortcutHelper.java',
       'android/java/src/org/chromium/chrome/browser/SSLClientCertificateRequest.java',
       'android/java/src/org/chromium/chrome/browser/search_engines/TemplateUrlService.java',
       'android/java/src/org/chromium/chrome/browser/signin/AccountManagementScreenHelper.java',
       'android/java/src/org/chromium/chrome/browser/signin/OAuth2TokenService.java',
       'android/java/src/org/chromium/chrome/browser/signin/SigninManager.java',
       'android/java/src/org/chromium/chrome/browser/sync/ProfileSyncService.java',
       'android/java/src/org/chromium/chrome/browser/tabmodel/TabModelJniBridge.java',
       'android/java/src/org/chromium/chrome/browser/Tab.java',
       'android/java/src/org/chromium/chrome/browser/TabState.java',
@@ skipping 2080 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/sync_file_system/drive_backend',
             'proto_out_dir': 'chrome/browser/sync_file_system/drive_backend',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],
   ],
 }