[Extensions] Propagate activeTab hosts to extension background pages

extensions/common/permissions/permissions_data.cc

Index: extensions/common/permissions/permissions_data.cc
diff --git a/extensions/common/permissions/permissions_data.cc b/extensions/common/permissions/permissions_data.cc
index af405273e3a698f644adf8ee081b235f57ed0ffb..d0c0f47f859c3a0c826c60a4972f05f1976f40fb 100644
--- a/extensions/common/permissions/permissions_data.cc
+++ b/extensions/common/permissions/permissions_data.cc
@@ -170,8 +170,12 @@ bool PermissionsData::CheckAPIPermissionWithParam(
   return active_permissions()->CheckAPIPermissionWithParam(permission, param);
 }
 
-const URLPatternSet& PermissionsData::GetEffectiveHostPermissions() const {
-  return active_permissions()->effective_hosts();
+URLPatternSet PermissionsData::GetEffectiveHostPermissions() const {
+  base::AutoLock auto_lock(runtime_lock_);
+  URLPatternSet effective_hosts = active_permissions_unsafe_->effective_hosts();
+  for (const auto& val : tab_specific_permissions_)
+    effective_hosts.AddPatterns(val.second->effective_hosts());
+  return effective_hosts;
 }
 
 bool PermissionsData::HasHostPermission(const GURL& url) const {