Add the scheme chrome-distiller:// and hook up data source.

components/dom_distiller/webui/dom_distiller_viewer_ui.h

+// Copyright 2013 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 COMPONENTS_DOM_DISTILLER_WEBUI_DOM_DISTILLER_VIEWER_UI_H_
+#define COMPONENTS_DOM_DISTILLER_WEBUI_DOM_DISTILLER_VIEWER_UI_H_
+
+#include "components/dom_distiller/webui/dom_distiller_viewer_handler.h"
+#include "content/public/browser/web_ui_controller.h"
+#include "content/public/browser/web_ui_data_source.h"
+
+namespace dom_distiller {
+
+// The WebUI controller for chrome-distiller://.
+class DomDistillerViewerUi : public content::WebUIController {
+ public:
+  DomDistillerViewerUi(content::WebUI* web_ui);
+  virtual ~DomDistillerViewerUi();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(DomDistillerViewerUi);
+};
+
+}  // namespace dom_distiller
+
+#endif  // COMPONENTS_DOM_DISTILLER_WEBUI_DOM_DISTILLER_VIEWER_UI_H_