[Bindings] Create and use V8 context snapshots

content/test/test_blink_web_unit_test_support.cc

Index: content/test/test_blink_web_unit_test_support.cc
diff --git a/content/test/test_blink_web_unit_test_support.cc b/content/test/test_blink_web_unit_test_support.cc
index 50349664235ffdc85142758a54fe5e39cf43dedc..590d7c2f81384600453c97e9453dff31075d1e31 100644
--- a/content/test/test_blink_web_unit_test_support.cc
+++ b/content/test/test_blink_web_unit_test_support.cc
@@ -24,6 +24,7 @@
 #include "content/child/web_url_loader_impl.h"
 #include "content/test/mock_webclipboard_impl.h"
 #include "content/test/web_gesture_curve_mock.h"
+#include "gin/v8_initializer.h"  // nogncheck
 #include "media/base/media.h"
 #include "media/media_features.h"
 #include "net/cookies/cookie_monster.h"
@@ -45,9 +46,6 @@
 #include "base/mac/scoped_nsautorelease_pool.h"
 #endif
 
-#ifdef V8_USE_EXTERNAL_STARTUP_DATA
-#include "gin/v8_initializer.h"  // nogncheck
-#endif
 
 #if BUILDFLAG(ENABLE_WEBRTC)
 #include "content/renderer/media/rtc_certificate.h"
@@ -105,6 +103,7 @@ TestBlinkWebUnitTestSupport::TestBlinkWebUnitTestSupport() {
   gin::V8Initializer::LoadV8Snapshot();
   gin::V8Initializer::LoadV8Natives();
 #endif
+  gin::V8Initializer::LoadV8Context();
 
   scoped_refptr<base::SingleThreadTaskRunner> dummy_task_runner;
   std::unique_ptr<base::ThreadTaskRunnerHandle> dummy_task_runner_handle;