Use std::vector as internal storage for CPDF_Array

fpdfsdk/fsdk_actionhandler.cpp

 // 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
 
 #include "fpdfsdk/include/fsdk_actionhandler.h"
 
 #include <set>
 
@@ skipping 421 matching lines @@
 
   CPDF_Dest MyDest = action.GetDest(pPDFDocument);
   int nPageIndex = MyDest.GetPageIndex(pPDFDocument);
   int nFitType = MyDest.GetZoomMode();
   const CPDF_Array* pMyArray = ToArray(MyDest.GetObject());
   float* pPosAry = nullptr;
   int sizeOfAry = 0;
   if (pMyArray) {
     pPosAry = new float[pMyArray->GetCount()];
     int j = 0;
-    for (int i = 2; i < (int)pMyArray->GetCount(); i++) {
+    for (size_t i = 2; i < pMyArray->GetCount(); i++) {
       pPosAry[j++] = pMyArray->GetFloatAt(i);
     }
     sizeOfAry = j;
   }
 
   CPDFDoc_Environment* pApp = pDocument->GetEnv();
   pApp->FFI_DoGoToAction(nPageIndex, nFitType, pPosAry, sizeOfAry);
   delete[] pPosAry;
 }
 
@@ skipping 178 matching lines @@
     const CPDF_Action& action,
     CPDFSDK_Document* pDocument) {
   CPDFSDK_InterForm* pInterForm = (CPDFSDK_InterForm*)pDocument->GetInterForm();
   if (pInterForm->DoAction_ImportData(action)) {
     pDocument->SetChangeMark();
     return TRUE;
   }
 
   return FALSE;
 }