Make a bunch of JBig2 classes independent of CJBig2_Object.

core/src/fxcodec/jbig2/JBig2_List.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 _JBIG2_LIST_H_
 #define _JBIG2_LIST_H_
-#include "JBig2_Define.h"
-#include "JBig2_Object.h"
+
+#include <vector>
+
 template <class TYPE>
-class CJBig2_List : public CJBig2_Object {
+class CJBig2_List {
  public:
-  CJBig2_List(int32_t nSize = 8) {
-    m_nSize = nSize;
-    m_pArray = (TYPE**)m_pModule->JBig2_Malloc2(sizeof(TYPE*), nSize);
-    m_nLength = 0;
-  }
+  CJBig2_List() {}
 
   ~CJBig2_List() {
     clear();
-    m_pModule->JBig2_Free(m_pArray);
   }
 
   void clear() {
-    int32_t i;
-    for (i = 0; i < m_nLength; i++) {
-      delete m_pArray[i];
-    }
-    m_nLength = 0;
+    for (size_t i = 0; i < m_vector.size(); ++i)
+      delete m_vector[i];
+    m_vector.clear();
   }
 
-  void addItem(TYPE* pItem) {
-    if (m_nLength >= m_nSize) {
-      m_nSize += 8;
-      m_pArray =
-          (TYPE**)m_pModule->JBig2_Realloc(m_pArray, sizeof(TYPE*) * m_nSize);
-    }
-    m_pArray[m_nLength++] = pItem;
-  }
+  void push_back(TYPE* pItem) { m_vector.push_back(pItem); }
 
-  int32_t getLength() { return m_nLength; }
+  size_t size() const { return m_vector.size(); }
+  void resize(size_t count) { m_vector.resize(count); }
 
-  TYPE* getAt(int32_t nIndex) { return m_pArray[nIndex]; }
+  TYPE* get(size_t index) { return m_vector[index]; }
 
-  TYPE* getLast() { return m_pArray[m_nLength - 1]; }
+  TYPE* back() { return m_vector.back(); }
 
  private:
-  int32_t m_nSize;
-  TYPE** m_pArray;
-  int32_t m_nLength;
+  std::vector<TYPE*> m_vector;
 };
+
 #endif