Rename pFormFiller variables to pFormField

Same with GetFormFiller methods.

Fixed: pdfium:1673
Change-Id: I156c9dc219dbf22e11b1b5f879833a2dc86fa0c8
Reviewed-on: https://pdfium-review.googlesource.com/c/pdfium/+/81170
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 2ba3aec..427fb27 100644
--- a/fpdfsdk/cpdfsdk_formfillenvironment.cpp
+++ b/fpdfsdk/cpdfsdk_formfillenvironment.cpp
@@ -110,16 +110,16 @@
 }
 
 void CPDFSDK_FormFillEnvironment::OutputSelectedRect(
-    CFFL_FormField* pFormFiller,
+    CFFL_FormField* pFormField,
     const CFX_FloatRect& rect) {
-  if (!pFormFiller || !m_pInfo || !m_pInfo->FFI_OutputSelectedRect)
+  if (!pFormField || !m_pInfo || !m_pInfo->FFI_OutputSelectedRect)
     return;
 
-  auto* pPage = FPDFPageFromIPDFPage(pFormFiller->GetSDKAnnot()->GetPage());
+  auto* pPage = FPDFPageFromIPDFPage(pFormField->GetSDKAnnot()->GetPage());
   DCHECK(pPage);
 
-  CFX_PointF ptA = pFormFiller->PWLtoFFL(CFX_PointF(rect.left, rect.bottom));
-  CFX_PointF ptB = pFormFiller->PWLtoFFL(CFX_PointF(rect.right, rect.top));
+  CFX_PointF ptA = pFormField->PWLtoFFL(CFX_PointF(rect.left, rect.bottom));
+  CFX_PointF ptB = pFormField->PWLtoFFL(CFX_PointF(rect.right, rect.top));
   m_pInfo->FFI_OutputSelectedRect(m_pInfo, pPage, ptA.x, ptB.y, ptB.x, ptA.y);
 }