Merge to XFA: Cleanup: Remove dead formfiller code.

fpdfsdk/src/formfiller/FFL_ComboBox.cpp

Index: fpdfsdk/src/formfiller/FFL_ComboBox.cpp
diff --git a/fpdfsdk/src/formfiller/FFL_ComboBox.cpp b/fpdfsdk/src/formfiller/FFL_ComboBox.cpp
index 1477e24c44466f39a7c80845aa21b9500fe1a0bc..500a22af0fb761b4f5b2e90532ac476f6b69aaaf 100644
--- a/fpdfsdk/src/formfiller/FFL_ComboBox.cpp
+++ b/fpdfsdk/src/formfiller/FFL_ComboBox.cpp
@@ -329,18 +329,6 @@ FX_BOOL CFFL_ComboBox::CanPaste(CPDFSDK_Document* pDocument) {
   return FALSE;
 }
 
-void CFFL_ComboBox::DoCopy(CPDFSDK_Document* pDocument) {
-  ASSERT(pDocument != NULL);
-}
-
-void CFFL_ComboBox::DoCut(CPDFSDK_Document* pDocument) {
-  ASSERT(pDocument != NULL);
-}
-
-void CFFL_ComboBox::DoPaste(CPDFSDK_Document* pDocument) {
-  ASSERT(pDocument != NULL);
-}
-
 void CFFL_ComboBox::OnAddUndo(CPWL_Edit* pEdit) {
   ASSERT(pEdit != NULL);
 }