Allow compiling PDFium without V8.

fpdfsdk/src/javascript/JS_Runtime.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 "JS_Runtime.h"
 
 #include "../../include/fsdk_mgr.h"  // For CPDFDoc_Environment.
 #include "../../include/javascript/IJavaScript.h"
 #include "Consts.h"
 #include "Document.h"
 #include "Field.h"
 #include "Icon.h"
 #include "JS_Context.h"
 #include "JS_Define.h"
 #include "JS_EventHandler.h"
 #include "JS_GlobalData.h"
 #include "JS_Object.h"
 #include "JS_Value.h"
 #include "PublicMethods.h"
 #include "app.h"
 #include "color.h"
 #include "console.h"
 #include "event.h"
 #include "global.h"
 #include "report.h"
 #include "util.h"
 
-/* ------------------------------ CJS_Runtime ------------------------------ */
+// static
+void IJS_Runtime::Initialize(unsigned int slot, void* isolate) {
+  FXJS_Initialize(slot, reinterpret_cast<v8::Isolate*>(isolate));
+}
 
+// static
 IJS_Runtime* IJS_Runtime::Create(CPDFDoc_Environment* pEnv) {
   return new CJS_Runtime(pEnv);
 }
 
 CJS_Runtime::CJS_Runtime(CPDFDoc_Environment* pApp)
     : m_pApp(pApp),
       m_pDocument(NULL),
       m_bBlocking(FALSE),
       m_isolate(NULL),
       m_isolateManaged(false) {
@@ skipping 149 matching lines @@
 void CJS_Runtime::RemoveObserver(Observer* observer) {
   ASSERT(m_observers.find(observer) != m_observers.end());
   m_observers.erase(observer);
 }
 
 CFX_WideString ChangeObjName(const CFX_WideString& str) {
   CFX_WideString sRet = str;
   sRet.Replace(L"_", L".");
   return sRet;
 }