Add a HostContentSettingsMap layer for Supervised Users.

chrome/browser/profiles/off_the_record_profile_impl.cc

Index: chrome/browser/profiles/off_the_record_profile_impl.cc
diff --git a/chrome/browser/profiles/off_the_record_profile_impl.cc b/chrome/browser/profiles/off_the_record_profile_impl.cc
index e998fafac2cd26ca34d3e5f928523738829ceac1..b288d8f1726e02b17907ed6c8b3435c23bb7524b 100644
--- a/chrome/browser/profiles/off_the_record_profile_impl.cc
+++ b/chrome/browser/profiles/off_the_record_profile_impl.cc
@@ -80,6 +80,12 @@
 #include "extensions/common/extension.h"
 #endif
 
+#if defined(ENABLE_SUPERVISED_USERS)
+#include "chrome/browser/content_settings/content_settings_supervised_provider.h"
+#include "chrome/browser/supervised_user/supervised_user_settings_service.h"
+#include "chrome/browser/supervised_user/supervised_user_settings_service_factory.h"
+#endif
+
 using content::BrowserThread;
 using content::DownloadManagerDelegate;
 using content::HostZoomMap;
@@ -392,6 +398,18 @@ HostContentSettingsMap* OffTheRecordProfileImpl::GetHostContentSettingsMap() {
           host_content_settings_map_.get());
     }
 #endif
+#if defined(ENABLE_SUPERVISED_USERS)
+    SupervisedUserSettingsService* supervised_service =
+        SupervisedUserSettingsServiceFactory::GetForProfile(this);
+    scoped_ptr<content_settings::SupervisedProvider> supervised_provider(
+        new content_settings::SupervisedProvider());

[Bernhard Bauer, 2015/02/26 18:03:54]

The supervised_provider can subscribe itself to the settings service, if you
want to reduce the amount of code.

[knn, 2015/02/27 10:43:53]

Done.

+    supervised_service->Subscribe(base::Bind(
+        &content_settings::SupervisedProvider::OnSupervisedSettingsAvailable,
+        base::Unretained(supervised_provider.get())));
+    host_content_settings_map_->RegisterProvider(
+        HostContentSettingsMap::SUPERVISED_PROVIDER,
+        supervised_provider.Pass());
+#endif
   }
   return host_content_settings_map_.get();
 }