Initial import of v8-native WASM.

src/wasm/wasm-js.h

+// Copyright 2015 the V8 project 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 V8_WASM_JS_H_
+#define V8_WASM_JS_H_
+
+#ifndef V8_SHARED
+#include "src/allocation.h"
+#include "src/hashmap.h"
+#else
+#include "include/v8.h"
+#include "src/base/compiler-specific.h"
+#endif  // !V8_SHARED
+
+namespace v8 {
+namespace internal {
+// Exposes a WASM API to JavaScript through the V8 API.
+class WasmJs {
+ public:
+  static void Install(Isolate* isolate, Handle<JSGlobalObject> global_object);
+};
+}  // namespace internal
+}  // namespace v8
+#endif