Componentize HostContentSettingsMap and content settings providers.

components/content_settings.gypi

Index: components/content_settings.gypi
diff --git a/components/content_settings.gypi b/components/content_settings.gypi
index faa7281e91fd51ae369fb465e2ee27af2baacd17..ded8a537ade57b6e22c3d209cd81db5e5a5e62ee 100644
--- a/components/content_settings.gypi
+++ b/components/content_settings.gypi
@@ -19,18 +19,32 @@
       'sources': [
         # Note: sources list duplicated in GN build.
         'content_settings/core/browser/content_settings_client.h',
+        'content_settings/core/browser/content_settings_default_provider.cc',
+        'content_settings/core/browser/content_settings_default_provider.h',
         'content_settings/core/browser/content_settings_details.cc',
         'content_settings/core/browser/content_settings_details.h',
-        'content_settings/core/browser/content_settings_observer.h',
-        'content_settings/core/browser/content_settings_provider.h',
         'content_settings/core/browser/content_settings_observable_provider.cc',
         'content_settings/core/browser/content_settings_observable_provider.h',
+        'content_settings/core/browser/content_settings_observer.h',
+        'content_settings/core/browser/content_settings_override_provider.cc',
+        'content_settings/core/browser/content_settings_override_provider.h',
+        'content_settings/core/browser/content_settings_policy_provider.cc',
+        'content_settings/core/browser/content_settings_policy_provider.h',
+        'content_settings/core/browser/content_settings_pref_provider.cc',
+        'content_settings/core/browser/content_settings_pref_provider.h',
+        'content_settings/core/browser/content_settings_provider.h',
         'content_settings/core/browser/content_settings_origin_identifier_value_map.cc',
         'content_settings/core/browser/content_settings_origin_identifier_value_map.h',
         'content_settings/core/browser/content_settings_rule.cc',
         'content_settings/core/browser/content_settings_rule.h',
+        'content_settings/core/browser/content_settings_utils.cc',
+        'content_settings/core/browser/content_settings_utils.h',
+        'content_settings/core/browser/host_content_settings_map.cc',
+        'content_settings/core/browser/host_content_settings_map.h',
         'content_settings/core/browser/local_shared_objects_counter.h',
       ],
+      # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+      'msvs_disabled_warnings': [4267, ],
     },
     {
       # GN version: //components/content_settings/core/common
@@ -56,6 +70,8 @@
         'content_settings/core/common/content_settings_types.h',
         'content_settings/core/common/permission_request_id.h',
         'content_settings/core/common/permission_request_id.cc',
+        'content_settings/core/common/pref_names.h',
+        'content_settings/core/common/pref_names.cc',
       ],
     },
   ],