Remove CGW_ArrayTemplate and its O(n^2 log n) sort.

fpdfsdk/include/fsdk_baseform.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_INCLUDE_FSDK_BASEFORM_H_
 #define FPDFSDK_INCLUDE_FSDK_BASEFORM_H_
 
 #if _FX_OS_ == _FX_ANDROID_
 #include "time.h"
 #else
 #include <ctime>
 #endif
 
 #include <map>
+#include <vector>
 
 #include "core/include/fpdfapi/fpdf_parser.h"
 #include "core/include/fpdfdoc/fpdf_doc.h"
 #include "core/include/fxcrt/fx_basic.h"
 #include "core/include/fxge/fx_dib.h"
-#include "fsdk_baseannot.h"
+#include "fpdfsdk/include/fsdk_baseannot.h"
 
 class CFFL_FormFiller;
 class CPDFSDK_Annot;
 class CPDFSDK_DateTime;
 class CPDFSDK_Document;
 class CPDFSDK_InterForm;
 class CPDFSDK_PageView;
 class CPDF_Action;
 class CPDF_FormField;
 struct CPWL_Color;
@@ skipping 233 matching lines @@
   void SetHighlightColor(FX_COLORREF clr, int nFieldType);
   FX_COLORREF GetHighlightColor(int nFieldType);
 
  private:
   static const int kNumFieldTypes = 6;
   FX_COLORREF m_aHighlightColor[kNumFieldTypes];
   uint8_t m_iHighlightAlpha;
   FX_BOOL m_bNeedHightlight[kNumFieldTypes];
 };
 
-#define BAI_STRUCTURE 0
-#define BAI_ROW 1
-#define BAI_COLUMN 2
-
-#define CPDFSDK_Annots CFX_ArrayTemplate<CPDFSDK_Annot*>
-#define CPDFSDK_SortAnnots CGW_ArrayTemplate<CPDFSDK_Annot*>
 class CBA_AnnotIterator {
  public:
+  enum TabOrder { STRUCTURE = 0, ROW, COLUMN };
+
   CBA_AnnotIterator(CPDFSDK_PageView* pPageView,
                     const CFX_ByteString& sType,
                     const CFX_ByteString& sSubType);
   ~CBA_AnnotIterator();
 
   CPDFSDK_Annot* GetFirstAnnot();
   CPDFSDK_Annot* GetLastAnnot();
   CPDFSDK_Annot* GetNextAnnot(CPDFSDK_Annot* pAnnot);
   CPDFSDK_Annot* GetPrevAnnot(CPDFSDK_Annot* pAnnot);
 
  private:
   void GenerateResults();
-  static int CompareByLeft(CPDFSDK_Annot* p1, CPDFSDK_Annot* p2);
-  static int CompareByTop(CPDFSDK_Annot* p1, CPDFSDK_Annot* p2);
-  static CPDF_Rect GetAnnotRect(CPDFSDK_Annot* pAnnot);
+  static CPDF_Rect GetAnnotRect(const CPDFSDK_Annot* pAnnot);
 
+  // Function signature compatible with std::sort().
+  static bool CompareByLeftAscending(const CPDFSDK_Annot* p1,
+                                     const CPDFSDK_Annot* p2);
+  static bool CompareByTopDescending(const CPDFSDK_Annot* p1,
+                                     const CPDFSDK_Annot* p2);
+
+  TabOrder m_eTabOrder;
   CPDFSDK_PageView* m_pPageView;
   CFX_ByteString m_sType;
   CFX_ByteString m_sSubType;
-  int m_nTabs;
-  CPDFSDK_Annots m_Annots;
+  std::vector<CPDFSDK_Annot*> m_Annots;
 };
 
 #endif  // FPDFSDK_INCLUDE_FSDK_BASEFORM_H_