Revert of Expose distiller functions to JavaScript

components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h

-// Copyright 2015 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_CONTENT_RENDERER_DISTILLER_PAGE_NOTIFIER_SERVICE_IMPL_H_
-#define COMPONENTS_DOM_DISTILLER_CONTENT_RENDERER_DISTILLER_PAGE_NOTIFIER_SERVICE_IMPL_H_
-
-#include "components/dom_distiller/content/common/distiller_page_notifier_service.mojom.h"
-#include "components/dom_distiller/content/renderer/distiller_js_render_frame_observer.h"
-#include "components/dom_distiller/content/renderer/distiller_native_javascript.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
-
-namespace dom_distiller {
-
-class DistillerJsRenderFrameObserver;
-
-// DistillerPageNotifierService is responsible for listening to the browser for
-// messages about if a page is a distiller page. No message is received if the
-// page is not a distiller page. This service should be removed from the
-// registry once the page is done loading.
-class DistillerPageNotifierServiceImpl : public DistillerPageNotifierService {
- public:
-  explicit DistillerPageNotifierServiceImpl(
-      DistillerJsRenderFrameObserver* observer,
-      mojo::InterfaceRequest<DistillerPageNotifierService> request);
-  ~DistillerPageNotifierServiceImpl() override;
-
-  // Implementation of mojo interface DistillerPageNotifierService.
-  void NotifyIsDistillerPage() override;
-
- private:
-  mojo::StrongBinding<DistillerPageNotifierService> binding_;
-  DistillerJsRenderFrameObserver* distiller_js_observer_;
-};
-
-}  // namespace dom_distiller
-
-#endif  // COMPONENTS_DOM_DISTILLER_CONTENT_RENDERER_DISTILLER_PAGE_NOTIFIER_SERVICE_IMPL_H_