Merge https://codereview.chromium.org/897973002/ and https://codereview.chromium.org/902753002/ to …

samples/pdfium_test.cc

Index: samples/pdfium_test.cc
diff --git a/samples/pdfium_test.cc b/samples/pdfium_test.cc
index f7911c36b93ca3186722f1cb46c6914b201d1b99..c351e399795ca05db136c98d0679412e13d04804 100644
--- a/samples/pdfium_test.cc
+++ b/samples/pdfium_test.cc
@@ -21,6 +21,7 @@
 #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
@@ -514,6 +515,9 @@ int main(int argc, const char* argv[]) {
   }
 
   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;
@@ -547,6 +551,8 @@ int main(int argc, const char* argv[]) {
   }
 
   FPDF_DestroyLibrary();
+  v8::V8::ShutdownPlatform();
+  delete platform;
 
   return 0;
 }