android: Migrate old content readback to use async readback (and delegated renderer)

content/content_browser.gypi

 # Copyright (c) 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.
 
 {
   'dependencies': [
     '../third_party/re2/re2.gyp:re2',
     '../base/base.gyp:base_static',
     '../crypto/crypto.gyp:crypto',
     '../google_apis/google_apis.gyp:google_apis',
@@ skipping 269 matching lines @@
     'browser/android/load_url_params.h',
     'browser/android/overscroll_glow.h',
     'browser/android/overscroll_glow.cc',
     'browser/android/popup_item_type_list.h',
     'browser/android/surface_texture_peer_browser_impl.cc',
     'browser/android/surface_texture_peer_browser_impl.h',
     'browser/android/touch_point.cc',
     'browser/android/touch_point.h',
     'browser/android/tracing_controller_android.cc',
     'browser/android/tracing_controller_android.h',
+    'browser/android/transient_ui_resource.cc',
+    'browser/android/transient_ui_resource.h',
     'browser/android/web_contents_observer_android.cc',
     'browser/android/web_contents_observer_android.h',
     'browser/appcache/appcache_dispatcher_host.cc',
     'browser/appcache/appcache_dispatcher_host.h',
     'browser/appcache/appcache_frontend_proxy.cc',
     'browser/appcache/appcache_frontend_proxy.h',
     'browser/appcache/chrome_appcache_service.cc',
     'browser/appcache/chrome_appcache_service.h',
     'browser/browser_child_process_host_impl.cc',
     'browser/browser_child_process_host_impl.h',
@@ skipping 1336 matching lines @@
         '../build/linux/system.gyp:dbus',
         '../dbus/dbus.gyp:dbus',
       ],
     }, {  # OS != "linux" or use_dbus==0
       'sources!': [
         'browser/geolocation/wifi_data_provider_linux.cc',
       ],
     }],
   ],
 }