Various changes to JBig2 cache:

core/src/fpdfapi/fpdf_render/fpdf_render_loadimage.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 <vector>
 
 #include "../../../../third_party/base/nonstd_unique_ptr.h"
 #include "../../../include/fpdfapi/fpdf_module.h"
@@ skipping 389 matching lines @@
     if (m_pJbig2Context == NULL) {
       m_pJbig2Context = pJbig2Module->CreateJbig2Context();
       if (m_pStreamAcc->GetImageParam()) {
         CPDF_Stream* pGlobals =
             m_pStreamAcc->GetImageParam()->GetStream(FX_BSTRC("JBIG2Globals"));
         if (pGlobals) {
           m_pGlobalStream = new CPDF_StreamAcc;
           m_pGlobalStream->LoadAllData(pGlobals, FALSE);
         }
       }
-      ret = pJbig2Module->StartDecode(
-          m_pJbig2Context, m_Width, m_Height, m_pStreamAcc->GetData(),
-          m_pStreamAcc->GetSize(),
-          m_pGlobalStream ? m_pGlobalStream->GetData() : NULL,
-          m_pGlobalStream ? m_pGlobalStream->GetSize() : 0,
-          m_pCachedBitmap->GetBuffer(), m_pCachedBitmap->GetPitch(), pPause);
+      ret = pJbig2Module->StartDecode(m_pJbig2Context, m_pDocument, m_Width,
+                                      m_Height, m_pStreamAcc, m_pGlobalStream,
+                                      m_pCachedBitmap->GetBuffer(),
+                                      m_pCachedBitmap->GetPitch(), pPause);
       if (ret < 0) {
         m_pCachedBitmap.reset();
         delete m_pGlobalStream;
         m_pGlobalStream = NULL;
         pJbig2Module->DestroyJbig2Context(m_pJbig2Context);
         m_pJbig2Context = NULL;
         return 0;
       }
       if (ret == FXCODEC_STATUS_DECODE_TOBECONTINUE) {
         return 2;
@@ skipping 1231 matching lines @@
 }
 FX_BOOL CPDF_ImageLoader::Continue(void* LoadHandle, IFX_Pause* pPause) {
   return ((CPDF_ProgressiveImageLoaderHandle*)LoadHandle)->Continue(pPause);
 }
 CPDF_ImageLoader::~CPDF_ImageLoader() {
   if (!m_bCached) {
     delete m_pBitmap;
     delete m_pMask;
   }
 }