[Contextual Search] Add Mojo-enabled API component.

content/public/renderer/chrome_object_extensions_utils.h

Index: content/public/renderer/chrome_object_extensions_utils.h
diff --git a/content/public/renderer/chrome_object_extensions_utils.h b/content/public/renderer/chrome_object_extensions_utils.h
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+++ b/content/public/renderer/chrome_object_extensions_utils.h
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+// Copyright (c) 2014 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 CONTENT_PUBLIC_RENDERER_CHROME_OBJECT_EXTENSIONS_UTILS_H_
+#define CONTENT_PUBLIC_RENDERER_CHROME_OBJECT_EXTENSIONS_UTILS_H_
+
+#include "content/common/content_export.h"
+
+namespace v8 {
+template <class T>
+class Local;
+class Object;
+class Isolate;
+}  // namespace v8
+
+namespace content {
+
+CONTENT_EXPORT v8::Local<v8::Object> GetOrCreateChromeObject(
+    v8::Isolate* isolate,
+    v8::Local<v8::Object> global);
+
+}  // namespace content
+
+#endif  // CONTENT_PUBLIC_RENDERER_CHROME_OBJECT_EXTENSIONS_UTILS_H_