Get rid of CPDF_Object::GetArray().

core/fpdfapi/fpdf_page/fpdf_page_parser.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 "core/fpdfapi/fpdf_page/pageint.h"
 
 #include <vector>
 
@@ skipping 679 matching lines @@
 void CPDF_StreamContentParser::Handle_SetColorSpace_Stroke() {
   CFX_ByteString csname = GetString(0);
   CPDF_ColorSpace* pCS = FindColorSpace(csname);
   if (!pCS) {
     return;
   }
   m_pCurStates->m_ColorState.GetModify()->m_StrokeColor.SetColorSpace(pCS);
 }
 
 void CPDF_StreamContentParser::Handle_SetDash() {
-  CPDF_Array* pArray = GetObject(1) ? GetObject(1)->GetArray() : nullptr;
+  CPDF_Array* pArray = ToArray(GetObject(1));
   if (!pArray)
     return;
 
   m_pCurStates->SetLineDash(pArray, GetNumber(0), 1.0f);
 }
 
 void CPDF_StreamContentParser::Handle_SetCharWidth() {
   m_Type3Data[0] = GetNumber(1);
   m_Type3Data[1] = GetNumber(0);
   m_bColored = TRUE;
@@ skipping 588 matching lines @@
 
 void CPDF_StreamContentParser::Handle_ShowText() {
   CFX_ByteString str = GetString(0);
   if (str.IsEmpty()) {
     return;
   }
   AddTextObject(&str, 0, NULL, 1);
 }
 
 void CPDF_StreamContentParser::Handle_ShowText_Positioning() {
-  CPDF_Array* pArray = GetObject(0) ? GetObject(0)->GetArray() : NULL;
-  if (!pArray) {
+  CPDF_Array* pArray = ToArray(GetObject(0));
+  if (!pArray)
     return;
-  }
+
   size_t n = pArray->GetCount();
   size_t nsegs = 0;
   for (size_t i = 0; i < n; i++) {
     if (pArray->GetDirectObjectAt(i)->IsString())
       nsegs++;
   }
   if (nsegs == 0) {
     for (size_t i = 0; i < n; i++) {
       m_pCurStates->m_TextX -=
           (pArray->GetNumberAt(i) * m_pCurStates->m_TextState.GetFontSize()) /
@@ skipping 378 matching lines @@
         } else {
           PDF_ReplaceAbbr(pElement);
         }
       }
       break;
     }
     default:
       break;
   }
 }