Add more components to "gn check", work on dom_distiller.

.gn

 # This file is used by the GN meta build system to find the root of the source
 # tree and to set startup options. For documentation on the values set in this
 # file, run "gn help dotfile" at the command line.
 
 # The location of the build configuration file.
 buildconfig = "//build/config/BUILDCONFIG.gn"
 
 # The secondary source root is a parallel directory tree where
 # GN build files are placed when they can not be placed directly
 # in the source tree, e.g. for third party source trees.
@@ skipping 16 matching lines @@
   "//chrome/common/*",
   "//chrome/installer/*",
   "//chrome/third_party/mozilla_security_manager/*",
   "//chromecast/*",
 
   # TODO(brettw): Fix http://crbug.com/460828 and uncomment the following
   # line.
   #"//chrome_elf/*",
   #"//cloud_print/*",
 
-  #"//components/*",  # Lots of errors.
+  #"//components/*",  # Needs nacl below.
+  #"//components:*",  # Some Android unit tests.
   "//components/about_handler/*",
   "//components/about_ui/*",
   "//components/app_modal/*",
   "//components/audio_modem/*",
   "//components/autofill/*",
   "//components/auto_login_parser/*",
+  "//components/bitmap_uploader/*",
   "//components/bookmarks/*",
+  "//components/browser_sync/*",
   "//components/browser_watcher/*",
   "//components/browsing_data/*",
   "//components/bubble/*",
   "//components/captive_portal/*",
   "//components/cdm/*",
   "//components/certificate_reporting/*",
   "//components/certificate_transparency/*",
   "//components/chrome_apps/*",
   "//components/clipboard/*",
   "//components/cloud_devices/*",
   "//components/component_updater/*",
   "//components/compression/*",
   "//components/constrained_window/*",
   "//components/content_settings/*",
   "//components/cookie_config/*",
   "//components/copresence/*",
   "//components/crash/*",
   "//components/cronet/*",
   "//components/crx_file/*",
   "//components/data_reduction_proxy/*",
   "//components/data_usage/*",
   "//components/data_use_measurement/*",
   "//components/device_event_log/*",
   "//components/devtools_discovery/*",
   "//components/devtools_http_handler/*",
   "//components/devtools_service/*",
-
-  # There are some Android problems where the jni_registrar referenced from
-  # core includes stuff from the content version of the dom_distiller.
-  #"//components/dom_distiller/*",
-
+  "//components/dom_distiller/*",
   "//components/domain_reliability/*",
   "//components/drive/*",
   "//components/enhanced_bookmarks/*",
   "//components/error_page/*",
+  "//components/exp/*",
   "//components/external_video_surface/*",
   "//components/favicon/*",
   "//components/favicon_base/*",
   "//components/feedback/*",
   "//components/filesystem/*",
   "//components/flags_ui/*",
   "//components/font_service/*",
   "//components/gcm_driver/*",
   "//components/google/*",
   "//components/gpu/*",
@@ skipping 33 matching lines @@
   "//components/password_manager/*",
   "//components/pdf/*",
   "//components/pdf_viewer/*",
   "//components/plugins/*",
   "//components/policy/*",
   "//components/power/*",
   "//components/precache/*",
   "//components/pref_registry/*",
   "//components/printing/*",
   "//components/proximity_auth/*",
-
-  #"//components/proxy_config/*",
-  #"//components/query_parser/*",
-  #"//components/rappor/*",
-  #"//components/renderer_context_menu/*",
-  #"//components/resource_provider/*",
-  #"//components/resources/*",
-  #"//components/rlz/*",
-
-  #"//components/safe_json/*",
-  #"//components/scheduler/*",
-  #"//components/search/*",
+  "//components/proxy_config/*",
+  "//components/query_parser/*",
+  "//components/rappor/*",
+  "//components/renderer_context_menu/*",
+  "//components/resource_provider/*",
+  "//components/resources/*",
+  "//components/rlz/*",
+  "//components/safe_browsing_db/*",
+  "//components/safe_json/*",
+  "//components/scheduler/*",
+  "//components/search/*",
   "//components/search_engines/*",
   "//components/search_provider_logos/*",
   "//components/security_interstitials/*",
   "//components/service_tab_launcher/*",
   "//components/session_manager/*",
   "//components/sessions/*",
   "//components/signin/*",
   "//components/ssl_config/*",
   "//components/ssl_errors/*",
   "//components/startup_metric_utils/*",
@@ skipping 192 matching lines @@
   "//tools/gn/format_test_data/055.golden",
   "//tools/gn/function_exec_script.cc",
   "//tools/gn/gn.gyp",
   "//tools/gn/input_conversion.cc",
   "//tools/gn/misc/emacs/gn.el",
   "//tools/gn/misc/vim/syntax/gn.vim",
   "//tools/gn/setup.cc",
   "//ui/accessibility/BUILD.gn",
   "//ui/views/BUILD.gn",
 ]