Remove CFX_ArrayTemplate, use unique_ptr in fpdfsdk/pdfwindow

fpdfsdk/pdfwindow/PWL_Wnd.h

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #ifndef FPDFSDK_PDFWINDOW_PWL_WND_H_
 #define FPDFSDK_PDFWINDOW_PWL_WND_H_
 
 #include <memory>
@@ skipping 395 matching lines @@
   void CreateScrollBar(const PWL_CREATEPARAM& cp);
   void CreateVScrollBar(const PWL_CREATEPARAM& cp);
 
   void AdjustStyle();
   void CreateMsgControl();
   void DestroyMsgControl();
 
   CPWL_MsgControl* GetMsgControl() const;
 
  protected:
-  CFX_ArrayTemplate<CPWL_Wnd*> m_aChildren;
+  std::vector<CPWL_Wnd*> m_Children;
 
  private:
   PWL_CREATEPARAM m_sPrivateParam;
-
   CPWL_ScrollBar* m_pVScrollBar;
-
   CFX_FloatRect m_rcWindow;
   CFX_FloatRect m_rcClip;
-
   bool m_bCreated;
   bool m_bVisible;
   bool m_bNotifying;
   bool m_bEnabled;
 };
 
 #endif  // FPDFSDK_PDFWINDOW_PWL_WND_H_