Wrap a couple CPDFSDK_FormFillEnvironment methods inside ifdefs.

They are only used when PDF_ENABLE_V8 is set.

Change-Id: I8cc9ea9b5ebb3bb63639dc9775a86b31ddbeb618
Reviewed-on: https://pdfium-review.googlesource.com/c/48630
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Commit-Queue: Lei Zhang <thestig@chromium.org>
diff --git a/fpdfsdk/cpdfsdk_formfillenvironment.cpp b/fpdfsdk/cpdfsdk_formfillenvironment.cpp
index f016ff4..de3587e 100644
--- a/fpdfsdk/cpdfsdk_formfillenvironment.cpp
+++ b/fpdfsdk/cpdfsdk_formfillenvironment.cpp
@@ -291,6 +291,7 @@
     m_pInfo->FFI_OnChange(m_pInfo);
 }
 
+#ifdef PDF_ENABLE_V8
 FPDF_PAGE CPDFSDK_FormFillEnvironment::GetCurrentPage() const {
   if (m_pInfo && m_pInfo->FFI_GetCurrentPage) {
     return m_pInfo->FFI_GetCurrentPage(
@@ -298,6 +299,7 @@
   }
   return nullptr;
 }
+#endif
 
 void CPDFSDK_FormFillEnvironment::ExecuteNamedAction(const char* namedAction) {
   if (m_pInfo && m_pInfo->FFI_ExecuteNamedAction)
@@ -543,10 +545,12 @@
   return pPageView;
 }
 
+#ifdef PDF_ENABLE_V8
 CPDFSDK_PageView* CPDFSDK_FormFillEnvironment::GetCurrentView() {
   IPDF_Page* pPage = IPDFPageFromFPDFPage(GetCurrentPage());
   return pPage ? GetPageView(pPage, true) : nullptr;
 }
+#endif
 
 CPDFSDK_PageView* CPDFSDK_FormFillEnvironment::GetPageView(int nIndex) {
   IPDF_Page* pTempPage = GetPage(nIndex);
diff --git a/fpdfsdk/cpdfsdk_formfillenvironment.h b/fpdfsdk/cpdfsdk_formfillenvironment.h
index cd04451..a61a157 100644
--- a/fpdfsdk/cpdfsdk_formfillenvironment.h
+++ b/fpdfsdk/cpdfsdk_formfillenvironment.h
@@ -54,7 +54,9 @@
 
   CPDFSDK_PageView* GetPageView(IPDF_Page* pPage, bool renew);
   CPDFSDK_PageView* GetPageView(int nIndex);
+#ifdef PDF_ENABLE_V8
   CPDFSDK_PageView* GetCurrentView();
+#endif
   void RemovePageView(IPDF_Page* pPage);
   void UpdateAllViews(CPDFSDK_PageView* pSender, CPDFSDK_Annot* pAnnot);
 
@@ -89,7 +91,9 @@
   int SetTimer(int uElapse, TimerCallback lpTimerFunc);
   void KillTimer(int nTimerID);
 
+#ifdef PDF_ENABLE_V8
   FPDF_PAGE GetCurrentPage() const;
+#endif
 
   void OnChange();
   void ExecuteNamedAction(const char* namedAction);