Remove two unused members in cpdf_streamcontentparser.

core/fpdfapi/page/cpdf_streamcontentparser.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/page/cpdf_streamcontentparser.h"
 
 #include <memory>
 #include <utility>
@@ skipping 251 matching lines @@
       m_pCurStates(new CPDF_AllStates),
       m_pLastTextObject(nullptr),
       m_DefFontSize(0),
       m_pPathPoints(nullptr),
       m_PathPointCount(0),
       m_PathAllocSize(0),
       m_PathCurrentX(0.0f),
       m_PathCurrentY(0.0f),
       m_PathClipType(0),
       m_pLastImage(nullptr),
-      m_pLastImageDict(nullptr),
-      m_pLastCloneImageDict(nullptr),
       m_bColored(false),
       m_bResourceMissing(false) {
   if (pmtContentToUser)
     m_mtContentToUser = *pmtContentToUser;
   if (!m_pResources)
     m_pResources = m_pParentResources;
   if (!m_pResources)
     m_pResources = m_pPageResources;
   if (pBBox)
     m_BBox = *pBBox;
   if (pStates) {
     m_pCurStates->Copy(*pStates);
   } else {
     m_pCurStates->m_GeneralState.Emplace();
     m_pCurStates->m_GraphState.Emplace();
     m_pCurStates->m_TextState.Emplace();
     m_pCurStates->m_ColorState.Emplace();
   }
   for (size_t i = 0; i < FX_ArraySize(m_Type3Data); ++i) {
     m_Type3Data[i] = 0.0;
   }
 }
 
 CPDF_StreamContentParser::~CPDF_StreamContentParser() {
   ClearAllParams();
   FX_Free(m_pPathPoints);
-  delete m_pLastImageDict;
-  delete m_pLastCloneImageDict;
 }
 
 int CPDF_StreamContentParser::GetNextParamPos() {
   if (m_ParamCount == kParamBufSize) {
     m_ParamStartPos++;
     if (m_ParamStartPos == kParamBufSize) {
       m_ParamStartPos = 0;
     }
     if (m_ParamBuf[m_ParamStartPos].m_Type == ContentParam::OBJECT)
       m_ParamBuf[m_ParamStartPos].m_pObject.reset();
@@ skipping 1351 matching lines @@
     if (!bProcessed) {
       m_pSyntax->SetPos(last_pos);
       return;
     }
   }
 }
 
 CPDF_StreamContentParser::ContentParam::ContentParam() {}
 
 CPDF_StreamContentParser::ContentParam::~ContentParam() {}