Communicate ExtensionSettings policy to renderers

extensions/browser/renderer_startup_helper.cc

Index: extensions/browser/renderer_startup_helper.cc
diff --git a/extensions/browser/renderer_startup_helper.cc b/extensions/browser/renderer_startup_helper.cc
index c200c27a2dd843ec4e6fa83d24ef74f875f9c21a..d8dae0fc4ba3db46be0de6d5b7f030d85110f5a4 100644
--- a/extensions/browser/renderer_startup_helper.cc
+++ b/extensions/browser/renderer_startup_helper.cc
@@ -18,6 +18,8 @@
 #include "extensions/common/extensions_client.h"
 #include "extensions/common/features/feature_channel.h"
 #include "extensions/common/features/feature_session_type.h"
+#include "extensions/common/permissions/permissions_data.h"
+#include "ipc/ipc_message_attachment_set.h"
 #include "ui/base/webui/web_ui_util.h"
 
 using content::BrowserContext;
@@ -91,6 +93,15 @@ void RendererStartupHelper::InitializeProcess(
         WebViewGuest::GetPartitionID(process)));
   }
 
+  // Load default policy_blocked_hosts and policy_allowed_hosts settings, part
+  // of the ExtensionSettings policy.
+  ExtensionMsg_UpdateDefaultPolicyHostRestrictions_Params params;
+  params.default_policy_blocked_hosts =
+      PermissionsData::default_policy_blocked_hosts();
+  params.default_policy_allowed_hosts =
+      PermissionsData::default_policy_allowed_hosts();
+  process->Send(new ExtensionMsg_UpdateDefaultPolicyHostRestrictions(params));
+
   // Loaded extensions.
   std::vector<ExtensionMsg_Loaded_Params> loaded_extensions;
   const ExtensionSet& extensions =