Provide an array buffer allocator to 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 "../../include/javascript/JavaScript.h"
 #include "../../include/javascript/IJavaScript.h"
 #include "../../include/javascript/JS_EventHandler.h"
 #include "../../include/javascript/JS_Runtime.h"
@@ skipping 73 matching lines @@
 {
         m_nGlobalDataCount--;
         
         if (m_nGlobalDataCount <= 0)
         {
                 delete m_pGlobalData;
                 m_pGlobalData = NULL;
         }
 }
 
+void* CJS_ArrayBufferAllocator::Allocate(size_t length) {
+    return calloc(1, length);
+}
+
+void* CJS_ArrayBufferAllocator::AllocateUninitialized(size_t length) {
+    return malloc(length);
+}
+
+void CJS_ArrayBufferAllocator::Free(void* data, size_t length) {
+    free(data);
+}
+
 /* ------------------------------ CJS_Runtime ------------------------------ */
 
 CJS_Runtime::CJS_Runtime(CPDFDoc_Environment * pApp) : 
         m_pApp(pApp),
         m_pDocument(NULL),
         m_bBlocking(FALSE),
-        m_pFieldEventPath(NULL),
-        m_bRegistered(FALSE)
+        m_bRegistered(FALSE),
+        m_pFieldEventPath(NULL)
 {
-        m_isolate = v8::Isolate::New();
-        //m_isolate->Enter();
+        m_pArrayBufferAllocator.reset(new CJS_ArrayBufferAllocator());
+
+        v8::Isolate::CreateParams params;
+        params.array_buffer_allocator = m_pArrayBufferAllocator.get();
+        m_isolate = v8::Isolate::New(params);
 
         InitJSObjects();
 
         CJS_Context * pContext = (CJS_Context*)NewContext();
         JS_InitialRuntime(*this, this, pContext, m_context);
         ReleaseContext(pContext);
 }
 
 CJS_Runtime::~CJS_Runtime()
 {
@@ skipping 202 matching lines @@
 {
         return v8::Local<v8::Context>::New(m_isolate, m_context);
 }
 
 CFX_WideString ChangeObjName(const CFX_WideString& str)
 {
         CFX_WideString sRet = str;
         sRet.Replace(L"_", L".");
         return sRet;
 }