[Bindings] Create and use V8 context snapshots

third_party/WebKit/Source/web/WebV8SnapshotUtil.cpp

Index: third_party/WebKit/Source/web/WebV8SnapshotUtil.cpp
diff --git a/third_party/WebKit/Source/web/WebV8SnapshotUtil.cpp b/third_party/WebKit/Source/web/WebV8SnapshotUtil.cpp
new file mode 100644
index 0000000000000000000000000000000000000000..3cba739f6a9b0070595a9bd239505c7cecaf1039
--- /dev/null
+++ b/third_party/WebKit/Source/web/WebV8SnapshotUtil.cpp
@@ -0,0 +1,16 @@
+// 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.
+
+#include "public/web/WebV8SnapshotUtil.h"
+
+#include "bindings/core/v8/V8SnapshotUtil.h"
+#include "v8/include/v8.h"
+
+namespace blink {
+
+v8::StartupData WebV8SnapshotUtil::TakeSnapshot() {
+  return V8SnapshotUtil::TakeSnapshot();
+}
+
+}  // namespace blink