Fix retained argument TODOs, part 5.

Update CPDF_NameTree and CPDF_DocPageData methods, and functions
in file cpdfsdk_helpers.h.

Change-Id: I64313c4f181cf2684ac38bbc803e6d2f1b52b756
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/98617
Commit-Queue: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
diff --git a/fpdfsdk/cpdfsdk_formfillenvironment.cpp b/fpdfsdk/cpdfsdk_formfillenvironment.cpp
index 269fc4b..adbe03a 100644
--- a/fpdfsdk/cpdfsdk_formfillenvironment.cpp
+++ b/fpdfsdk/cpdfsdk_formfillenvironment.cpp
@@ -649,8 +649,7 @@
   size_t count = name_tree->GetCount();
   for (size_t i = 0; i < count; ++i) {
     WideString name;
-    CPDF_Action action(ToDictionary(
-        pdfium::WrapRetain(name_tree->LookupValueAndName(i, &name))));
+    CPDF_Action action(ToDictionary(name_tree->LookupValueAndName(i, &name)));
     DoActionJavaScript(action, name);
   }
 }