Continue IFWL cleanup

xfa/fwl/core/ifwl_picturebox.cpp

Index: xfa/fwl/core/ifwl_picturebox.cpp
diff --git a/xfa/fwl/core/ifwl_picturebox.cpp b/xfa/fwl/core/ifwl_picturebox.cpp
index 17a87ed835c34133d5cb00009d98604cc57f805f..b7a4c611182d1831b3ef46981786d00f48a99e67 100644
--- a/xfa/fwl/core/ifwl_picturebox.cpp
+++ b/xfa/fwl/core/ifwl_picturebox.cpp
@@ -13,10 +13,7 @@
 IFWL_PictureBox::IFWL_PictureBox(
     const IFWL_App* app,
     std::unique_ptr<CFWL_WidgetProperties> properties)
-    : IFWL_Widget(app, std::move(properties), nullptr),
-      m_bTop(false),
-      m_bVCenter(false),
-      m_bButton(false) {
+    : IFWL_Widget(app, std::move(properties), nullptr) {
   m_rtClient.Reset();
   m_rtImage.Reset();
   m_matrix.SetIdentity();
@@ -100,21 +97,6 @@ void IFWL_PictureBox::DrawBkground(CFX_Graphics* pGraphics,
                        &matrix);
 }
 
-bool IFWL_PictureBox::VStyle(uint32_t dwStyle) {
-  switch (dwStyle & FWL_STYLEEXT_PTB_VAlignMask) {
-    case FWL_STYLEEXT_PTB_Top:
-      m_bTop = true;
-      return true;
-    case FWL_STYLEEXT_PTB_Vcenter:
-      m_bVCenter = true;
-      return true;
-    case FWL_STYLEEXT_PTB_Bottom:
-      m_bButton = true;
-      return true;
-  }
-  return false;
-}
-
 void IFWL_PictureBox::OnDrawWidget(CFX_Graphics* pGraphics,
                                    const CFX_Matrix* pMatrix) {
   DrawWidget(pGraphics, pMatrix);