[Bindings] Create and use V8 context snapshots

third_party/WebKit/Source/bindings/modules/v8/V8ContextSnapshotExternalReferences.h

Index: third_party/WebKit/Source/bindings/modules/v8/V8ContextSnapshotExternalReferences.h
diff --git a/third_party/WebKit/Source/bindings/modules/v8/V8ContextSnapshotExternalReferences.h b/third_party/WebKit/Source/bindings/modules/v8/V8ContextSnapshotExternalReferences.h
new file mode 100644
index 0000000000000000000000000000000000000000..09665e776ff67ec7d33c36a259833556b8a16d36
--- /dev/null
+++ b/third_party/WebKit/Source/bindings/modules/v8/V8ContextSnapshotExternalReferences.h
@@ -0,0 +1,26 @@
+// 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.
+
+#ifndef V8ContextSnapshotExternalReferences_h
+#define V8ContextSnapshotExternalReferences_h
+
+#include <cstdint>
+
+#include "modules/ModulesExport.h"
+#include "platform/wtf/Allocator.h"
+
+namespace blink {
+
+class MODULES_EXPORT V8ContextSnapshotExternalReferences {

[haraken, 2017/07/10 06:52:09]

Add a per-class comment.

// V8ContextSnapshotExternalReferences::GetTable() provides a table of pointers
of all C++ callbacks exposed to V8. The table contains C++ callbacks for DOM
attribute getters, setters, DOM methods, wrapper type info etc.

[peria, 2017/07/10 10:18:43]

Done.

+  STATIC_ONLY(V8ContextSnapshotExternalReferences);
+
+ public:
+  // The definition of this method is in a generated code
+  // V8ContextSnapshotExternalReferences.cpp.

[haraken, 2017/07/10 06:52:09]

// The definition of this method is auto-generated in
V8ContextSnapshotExternalReferences.cpp.

[peria, 2017/07/10 10:18:43]

Done.

+  static intptr_t* GetTable();
+};
+
+}  // namespace blink
+
+#endif  // V8ContextSnapshotExternalReferences_h