Initialize V8 outside of PDFium.

samples/pdfium_test.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <limits.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 
 #include <list>
 #include <sstream>
 #include <string>
 #include <utility>
 #include <vector>
 
 #include "../fpdfsdk/include/fpdf_dataavail.h"
 #include "../fpdfsdk/include/fpdf_ext.h"
 #include "../fpdfsdk/include/fpdfformfill.h"
 #include "../fpdfsdk/include/fpdftext.h"
 #include "../fpdfsdk/include/fpdfview.h"
 #include "../core/include/fxcrt/fx_system.h"
 #include "v8/include/v8.h"
+#include "v8/include/libplatform/libplatform.h"
 
 #ifdef _WIN32
 #define snprintf _snprintf
 #define PATH_SEPARATOR '\\'
 #else
 #define PATH_SEPARATOR '/'
 #endif
 
 enum OutputFormat {
   OUTPUT_NONE,
@@ skipping 457 matching lines @@
     printf("--scale=<number> - scale output size by number (e.g. 0.5)\n");
     printf("--ppm - write page images <pdf-name>.<page-number>.ppm\n");
 #ifdef _WIN32
     printf("--bmp - write page images <pdf-name>.<page-number>.bmp\n");
     printf("--emf - write page meta files <pdf-name>.<page-number>.emf\n");
 #endif
     return 1;
   }
 
   v8::V8::InitializeICU();
+  v8::Platform* platform = v8::platform::CreateDefaultPlatform();
+  v8::V8::InitializePlatform(platform);
+  v8::V8::Initialize();
 
 #ifdef V8_USE_EXTERNAL_STARTUP_DATA
   v8::StartupData natives;
   v8::StartupData snapshot;
   if (!GetExternalData(options, "natives_blob.bin", &natives) ||
       !GetExternalData(options, "snapshot_blob.bin", &snapshot)) {
     return 1;
   }
   v8::V8::SetNativesDataBlob(&natives);
   v8::V8::SetSnapshotDataBlob(&snapshot);
@@ skipping 12 matching lines @@
     std::string filename = files.front();
     files.pop_front();
     size_t file_length = 0;
     char* file_contents = GetFileContents(filename.c_str(), &file_length);
     if (!file_contents)
       continue;
     RenderPdf(filename, file_contents, file_length, options);
     free(file_contents);
   }
 
   FPDF_DestroyLibrary();

[Will Harris, 2015/02/04 23:56:45]

is a V8:Dispose() needed here?

[jam, 2015/02/04 23:59:07]

no idea, i'm just moving code from the other file

+  v8::V8::ShutdownPlatform();
+  delete platform;
 
   return 0;
 }