Makes chrome://omnibox use mojo

chrome/browser/ui/webui/mojo_web_ui_controller.h

+// Copyright 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 CHROME_BROWSER_UI_WEBUI_MOJO_WEB_UI_CONTROLLER_H_
+#define CHROME_BROWSER_UI_WEBUI_MOJO_WEB_UI_CONTROLLER_H_
+
+#include <string>
+
+#include "base/memory/scoped_ptr.h"
+#include "content/public/browser/web_ui_controller.h"
+#include "mojo/public/cpp/system/core.h"
+
+class MojoWebUIHandler;
+
+namespace content {
+class WebUIDataSource;
+}
+
+// MojoWebUIController is intended for web ui pages that use mojo. It is
+// expected that subclasses will do two things:
+// . In the constructor invoke AddMojoResourcePath() to register the bindings
+//   files, eg:
+//     AddMojoResourcePath("chrome/browser/ui/webui/omnibox/omnibox.mojom",
+//                         IDR_OMNIBOX_MOJO_JS);
+// . Override CreateUIHandler() to create the implementation of the bindings.
+class MojoWebUIController : public content::WebUIController {
+ public:
+  explicit MojoWebUIController(content::WebUI* contents);
+  virtual ~MojoWebUIController();
+
+  // WebUIController overrides:
+  virtual void RenderViewCreated(
+      content::RenderViewHost* render_view_host) OVERRIDE;
+
+ protected:
+  // Invoke to register mapping between binding file and resource id (IDR_...).
+  void AddMojoResourcePath(const std::string& path, int resource_id);
+
+  // Invoked to create the specific bindings implementation.
+  virtual scoped_ptr<MojoWebUIHandler> CreateUIHandler(
+      mojo::ScopedMessagePipeHandle handle_to_page) = 0;
+
+ private:
+  // Bindings files are registered here.
+  content::WebUIDataSource* mojo_data_source_;
+
+  scoped_ptr<MojoWebUIHandler> ui_handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(MojoWebUIController);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_MOJO_WEB_UI_CONTROLLER_H_