Make IXFA_DocEnvironment::PopupMenu() pass a CFX_PointF by const-ref.

Change the entire call stack pass by const-ref, instead of by value.

Change-Id: I0abac640145957b31a692c2667ba16bc1f20b59b
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/57492
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>

fpdfsdk/cpdfsdk_formfillenvironment.cpp

diff --git a/fpdfsdk/cpdfsdk_formfillenvironment.cpp b/fpdfsdk/cpdfsdk_formfillenvironment.cpp
index e6221ac..94bd808 100644
--- a/fpdfsdk/cpdfsdk_formfillenvironment.cpp
+++ b/fpdfsdk/cpdfsdk_formfillenvironment.cpp
@@ -406,7 +406,7 @@
 bool CPDFSDK_FormFillEnvironment::PopupMenu(CPDFXFA_Page* page,
                                             FPDF_WIDGET hWidget,
                                             int menuFlag,
-                                            CFX_PointF pt) {
+                                            const CFX_PointF& pt) {
   return m_pInfo && m_pInfo->FFI_PopupMenu &&
          m_pInfo->FFI_PopupMenu(m_pInfo, FPDFPageFromIPDFPage(page), hWidget,
                                 menuFlag, pt.x, pt.y);

fpdfsdk/cpdfsdk_formfillenvironment.h

diff --git a/fpdfsdk/cpdfsdk_formfillenvironment.h b/fpdfsdk/cpdfsdk_formfillenvironment.h
index ce357d4..0a902c9 100644
--- a/fpdfsdk/cpdfsdk_formfillenvironment.h
+++ b/fpdfsdk/cpdfsdk_formfillenvironment.h
@@ -134,7 +134,7 @@
   bool PopupMenu(CPDFXFA_Page* page,
                  FPDF_WIDGET hWidget,
                  int menuFlag,
-                 CFX_PointF pt);
+                 const CFX_PointF& pt);
 
   void EmailTo(FPDF_FILEHANDLER* fileHandler,
                FPDF_WIDESTRING pTo,

fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.cpp

diff --git a/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.cpp b/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.cpp
index db3de42..8dd06a5 100644
--- a/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.cpp
+++ b/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.cpp
@@ -238,7 +238,7 @@
 }
 
 bool CPDFXFA_DocEnvironment::PopupMenu(CXFA_FFWidget* hWidget,
-                                       CFX_PointF ptPopup) {
+                                       const CFX_PointF& ptPopup) {
   if (!hWidget)
     return false;
 

fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.h

diff --git a/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.h b/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.h
index 974de88..7c86bd81 100644
--- a/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.h
+++ b/fpdfsdk/fpdfxfa/cpdfxfa_docenvironment.h
@@ -33,7 +33,7 @@
                    float fMaxPopup,
                    const CFX_RectF& rtAnchor,
                    CFX_RectF* pPopupRect) override;
-  bool PopupMenu(CXFA_FFWidget* hWidget, CFX_PointF ptPopup) override;
+  bool PopupMenu(CXFA_FFWidget* hWidget, const CFX_PointF& ptPopup) override;
 
   // dwFlags XFA_PAGEVIEWEVENT_Added, XFA_PAGEVIEWEVENT_Removing
   void PageViewEvent(CXFA_FFPageView* pPageView, uint32_t dwFlags) override;

xfa/fxfa/fxfa.h

diff --git a/xfa/fxfa/fxfa.h b/xfa/fxfa/fxfa.h
index b5a6d1a..83fb3cc 100644
--- a/xfa/fxfa/fxfa.h
+++ b/xfa/fxfa/fxfa.h
@@ -235,7 +235,7 @@
                            float fMaxPopup,
                            const CFX_RectF& rtAnchor,
                            CFX_RectF* pPopupRect) = 0;
-  virtual bool PopupMenu(CXFA_FFWidget* hWidget, CFX_PointF ptPopup) = 0;
+  virtual bool PopupMenu(CXFA_FFWidget* hWidget, const CFX_PointF& ptPopup) = 0;
   virtual void PageViewEvent(CXFA_FFPageView* pPageView, uint32_t dwFlags) = 0;
   virtual void WidgetPostAdd(CXFA_FFWidget* hWidget) = 0;
   virtual void WidgetPreRemove(CXFA_FFWidget* hWidget) = 0;