Allow compiling PDFium without V8.

fpdfsdk/src/fpdfview.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/include/fxcodec/fx_codec.h"
 #include "../../core/include/fxcrt/fx_safe_types.h"
 #include "../../public/fpdf_ext.h"
 #include "../../public/fpdf_progressive.h"
 #include "../../public/fpdfview.h"
 #include "../../third_party/base/nonstd_unique_ptr.h"
 #include "../../third_party/base/numerics/safe_conversions_impl.h"
 #include "../include/fsdk_define.h"
 #include "../include/fsdk_mgr.h"
 #include "../include/fsdk_rendercontext.h"
-#include "../include/jsapi/fxjs_v8.h"
+#include "../include/javascript/IJavaScript.h"
 
 CPDF_CustomAccess::CPDF_CustomAccess(FPDF_FILEACCESS* pFileAccess) {
   if (pFileAccess)
     m_FileAccess = *pFileAccess;
 }
 
 FX_BOOL CPDF_CustomAccess::ReadBlock(void* buffer,
                                      FX_FILESIZE offset,
                                      size_t size) {
   if (offset < 0) {
@@ skipping 75 matching lines @@
   CPDF_ModuleMgr::Get()->SetCodecModule(g_pCodecModule);
   CPDF_ModuleMgr::Get()->InitPageModule();
   CPDF_ModuleMgr::Get()->InitRenderModule();
   CPDF_ModuleMgr* pModuleMgr = CPDF_ModuleMgr::Get();
   if (pModuleMgr) {
     pModuleMgr->LoadEmbeddedGB1CMaps();
     pModuleMgr->LoadEmbeddedJapan1CMaps();
     pModuleMgr->LoadEmbeddedCNS1CMaps();
     pModuleMgr->LoadEmbeddedKorea1CMaps();
   }
-  if (cfg && cfg->version >= 2) {
-    FXJS_Initialize(cfg->m_v8EmbedderSlot,
-                    reinterpret_cast<v8::Isolate*>(cfg->m_pIsolate));
-  }
+  if (cfg && cfg->version >= 2)
+    IJS_Runtime::Initialize(cfg->m_v8EmbedderSlot, cfg->m_pIsolate);
 }
 
 DLLEXPORT void STDCALL FPDF_DestroyLibrary() {
 #if _FX_OS_ == _FX_LINUX_EMBEDDED_
   delete g_pFontMapper;
   g_pFontMapper = nullptr;
 #endif
   CPDF_ModuleMgr::Destroy();
   CFX_GEModule::Destroy();
   delete g_pCodecModule;
@@ skipping 787 matching lines @@
   if (!buffer) {
     *buflen = len;
   } else if (*buflen >= len) {
     memcpy(buffer, utf16Name.c_str(), len);
     *buflen = len;
   } else {
     *buflen = -1;
   }
   return (FPDF_DEST)pDestObj;
 }