Make CPDF_Object subclass constructors intern strings

core/fpdfapi/parser/cpdf_array.cpp

 // Copyright 2016 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
 
 #include "core/fpdfapi/parser/cpdf_array.h"
 
 #include <set>
 
 #include "core/fpdfapi/parser/cpdf_name.h"
 #include "core/fpdfapi/parser/cpdf_number.h"
 #include "core/fpdfapi/parser/cpdf_reference.h"
 #include "core/fpdfapi/parser/cpdf_stream.h"
 #include "core/fpdfapi/parser/cpdf_string.h"
 #include "third_party/base/logging.h"
 #include "third_party/base/stl_util.h"
 
 CPDF_Array::CPDF_Array() {}
 
+CPDF_Array::CPDF_Array(const CFX_WeakPtr<CFX_ByteStringPool>& pPool)
+    : m_pPool(pPool) {}
+
 CPDF_Array::~CPDF_Array() {
   // Break cycles for cyclic references.
   m_ObjNum = kInvalidObjNum;
   for (auto& it : m_Objects) {
     if (it && it->GetObjNum() == kInvalidObjNum)
       it.release();
   }
 }
 
 CPDF_Object::Type CPDF_Array::GetType() const {
@@ skipping 149 matching lines @@
   return pRet;
 }
 
 CPDF_Object* CPDF_Array::Add(std::unique_ptr<CPDF_Object> pObj) {
   ASSERT(IsArray());
   CHECK(!pObj || pObj->IsInline());
   CPDF_Object* pRet = pObj.get();
   m_Objects.push_back(std::move(pObj));
   return pRet;
 }