Generate param traits size methods for IPC files in chrome/ (and traits it depends on).

extensions/common/permissions/settings_override_permission.cc

Index: extensions/common/permissions/settings_override_permission.cc
diff --git a/extensions/common/permissions/settings_override_permission.cc b/extensions/common/permissions/settings_override_permission.cc
index 4c7c421493771b73cddabc189cacacbc13e87071..263f9dc8299c5e0fbec85ac95fa2e1e363485388 100644
--- a/extensions/common/permissions/settings_override_permission.cc
+++ b/extensions/common/permissions/settings_override_permission.cc
@@ -80,6 +80,8 @@ APIPermission* SettingsOverrideAPIPermission::Intersect(
   return new SettingsOverrideAPIPermission(info(), setting_value_);
 }
 
+void SettingsOverrideAPIPermission::GetSize(base::PickleSizer* s) const {}
+
 void SettingsOverrideAPIPermission::Write(base::Pickle* m) const {}
 
 bool SettingsOverrideAPIPermission::Read(const base::Pickle* m,