Do not check pointers before deleting them.

xfa/fwl/theme/cfwl_pushbuttontp.cpp

Index: xfa/fwl/theme/cfwl_pushbuttontp.cpp
diff --git a/xfa/fwl/theme/cfwl_pushbuttontp.cpp b/xfa/fwl/theme/cfwl_pushbuttontp.cpp
index 5662ac09c29921c6bb7d6daf44f0de6dc2bc896a..780c5803695dd0ccd1c739689e1d6e68f0f27f6a 100644
--- a/xfa/fwl/theme/cfwl_pushbuttontp.cpp
+++ b/xfa/fwl/theme/cfwl_pushbuttontp.cpp
@@ -15,15 +15,14 @@
 
 #define PUSHBUTTON_SIZE_Corner 2
 
-CFWL_PushButtonTP::CFWL_PushButtonTP() {
-  m_pThemeData = new PBThemeData;
+CFWL_PushButtonTP::CFWL_PushButtonTP() : m_pThemeData(new PBThemeData) {
   SetThemeData(0);
 }
+
 CFWL_PushButtonTP::~CFWL_PushButtonTP() {
-  if (m_pThemeData) {
-    delete m_pThemeData;
-  }
+  delete m_pThemeData;
 }
+
 FX_BOOL CFWL_PushButtonTP::IsValidWidget(IFWL_Widget* pWidget) {
   return pWidget->GetClassID() == FWL_CLASSHASH_PushButton;
 }