Fix PDFiumFuzzerHelper build without V8_USE_EXTERNAL_STARTUP_DATA.

pdf/pdfium/fuzzers/pdfium_fuzzer_helper.cc

 // Copyright 2017 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.
 
 // This fuzzer is simplified & cleaned up pdfium/samples/pdfium_test.cc
 
 #include "pdf/pdfium/fuzzers/pdfium_fuzzer_helper.h"
 
 #include <assert.h>
 #include <limits.h>
@@ skipping 204 matching lines @@
     FPDF_FFLDraw(form, bitmap.get(), page.get(), 0, 0, width, height, 0, 0);
   }
   FORM_DoPageAAction(page.get(), form, FPDFPAGE_AACTION_CLOSE);
   FORM_OnBeforeClosePage(page.get(), form);
   return !!bitmap;
 }
 
 // Initialize the library once for all runs of the fuzzer.
 struct TestCase {
   TestCase() {
+#ifdef V8_USE_EXTERNAL_STARTUP_DATA
     InitializeV8ForPDFium(ProgramPath(), "", &natives_blob, &snapshot_blob,
                           &platform);
+#else
+    InitializeV8ForPDFium(ProgramPath(), &platform);
+#endif
 
     memset(&config, '\0', sizeof(config));
     config.version = 2;
     config.m_pUserFontPaths = nullptr;
     config.m_pIsolate = nullptr;
     config.m_v8EmbedderSlot = 0;
     FPDF_InitLibraryWithConfig(&config);
 
     memset(&unsupport_info, '\0', sizeof(unsupport_info));
     unsupport_info.version = 1;
     unsupport_info.FSDK_UnSupport_Handler = ExampleUnsupportedHandler;
     FSDK_SetUnSpObjProcessHandler(&unsupport_info);
   }
 
   v8::Platform* platform;
   v8::StartupData natives_blob;
   v8::StartupData snapshot_blob;
   FPDF_LIBRARY_CONFIG config;
   UNSUPPORT_INFO unsupport_info;
 };
 static TestCase* testCase = new TestCase();