Remove more unnecessary includes and do IWYU as needed.

Also move some implementations out of headers.

Change-Id: I321fc26970c440d874b135bd28e8bc8156b9afee
Reviewed-on: https://pdfium-review.googlesource.com/c/43890
Commit-Queue: Lei Zhang <thestig@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/core/fpdfdoc/cpdf_formfield.cpp b/core/fpdfdoc/cpdf_formfield.cpp
index a076b150a8..4cb9496af9 100644
--- a/core/fpdfdoc/cpdf_formfield.cpp
+++ b/core/fpdfdoc/cpdf_formfield.cpp
@@ -250,6 +250,10 @@ bool CPDF_FormField::ResetField(NotificationOption notify) {
   return true;
 }
 
+int CPDF_FormField::CountControls() const {
+  return pdfium::CollectionSize<int>(m_ControlList);
+}
+
 int CPDF_FormField::GetControlIndex(const CPDF_FormControl* pControl) const {
   if (!pControl)
     return -1;