Rename CXFA_Calculate methods to make return clearer

This CL renames CXFA_Calculate::GetScript to make it clearer it can
return nullptr.

Change-Id: I1f5c19c16ea6cb1b3e7016ddac3f7f7fd6aa0320
Reviewed-on: https://pdfium-review.googlesource.com/22741
Reviewed-by: Henrique Nakashima <hnakashima@chromium.org>
Commit-Queue: dsinclair <dsinclair@chromium.org>

3 files changed, 3 insertions, 3 deletions

diff --git a/xfa/fxfa/parser/cxfa_calculate.cpp b/xfa/fxfa/parser/cxfa_calculate.cpp
index cacb326f0f..328678783c 100644
--- a/xfa/fxfa/parser/cxfa_calculate.cpp
+++ b/xfa/fxfa/parser/cxfa_calculate.cpp
@@ -49,7 +49,7 @@ XFA_AttributeEnum CXFA_Calculate::GetOverride() {
       .value_or(XFA_AttributeEnum::Error);
 }
 
-CXFA_Script* CXFA_Calculate::GetScript() {
+CXFA_Script* CXFA_Calculate::GetScriptIfExists() {
   return GetChild<CXFA_Script>(0, XFA_Element::Script, false);
 }
 
diff --git a/xfa/fxfa/parser/cxfa_calculate.h b/xfa/fxfa/parser/cxfa_calculate.h
index 3f6ca6a8c7..a5be908b4c 100644
--- a/xfa/fxfa/parser/cxfa_calculate.h
+++ b/xfa/fxfa/parser/cxfa_calculate.h
@@ -17,7 +17,7 @@ class CXFA_Calculate : public CXFA_Node {
   ~CXFA_Calculate() override;
 
   XFA_AttributeEnum GetOverride();
-  CXFA_Script* GetScript();
+  CXFA_Script* GetScriptIfExists();
   WideString GetMessageText();
 };
 
diff --git a/xfa/fxfa/parser/cxfa_node.cpp b/xfa/fxfa/parser/cxfa_node.cpp
index 5d72cf7cb9..c7a0bb1668 100644
--- a/xfa/fxfa/parser/cxfa_node.cpp
+++ b/xfa/fxfa/parser/cxfa_node.cpp
@@ -1714,7 +1714,7 @@ int32_t CXFA_Node::ProcessCalculate(CXFA_FFDocView* docView) {
 
   CXFA_EventParam EventParam;
   EventParam.m_eType = XFA_EVENT_Calculate;
-  int32_t iRet = ExecuteScript(docView, calc->GetScript(), &EventParam);
+  int32_t iRet = ExecuteScript(docView, calc->GetScriptIfExists(), &EventParam);
   if (iRet != XFA_EVENTERROR_Success)
     return iRet;