Revert of Expose distiller functions to JavaScript

components/dom_distiller/content/renderer/distiller_js_render_frame_observer.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_JS_RENDER_FRAME_OBSERVER_H_
-#define COMPONENTS_DOM_DISTILLER_CONTENT_RENDERER_DISTILLER_JS_RENDER_FRAME_OBSERVER_H_
-
-#include "base/memory/weak_ptr.h"
-#include "components/dom_distiller/content/common/distiller_javascript_service.mojom.h"
-#include "components/dom_distiller/content/renderer/distiller_native_javascript.h"
-#include "components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h"
-#include "content/public/renderer/render_frame.h"
-#include "content/public/renderer/render_frame_observer.h"
-#include "third_party/WebKit/public/web/WebLocalFrame.h"
-#include "v8/include/v8.h"
-
-namespace dom_distiller {
-
-// DistillerJsRenderFrame observer waits for a page to be loaded and then
-// tried to connect to a mojo service hosted in the browser process. The
-// service will tell this render process if the current page is a distiller
-// page.
-class DistillerJsRenderFrameObserver : public content::RenderFrameObserver {
- public:
-  DistillerJsRenderFrameObserver(content::RenderFrame* render_frame,
-                                 const int distiller_isolated_world_id);
-  ~DistillerJsRenderFrameObserver() override;
-
-  // RenderFrameObserver implementation.
-  void DidStartProvisionalLoad() override;
-  void DidFinishLoad() override;
-  void DidCreateScriptContext(v8::Local<v8::Context> context,
-                              int extension_group,
-                              int world_id) override;
-
-  // Add the mojo service to a RenderFrame's service registry.
-  void RegisterMojoService();
-  // Flag the current page as a distiller page.
-  void SetIsDistillerPage();
-
- private:
-  void CreateDistillerPageNotifierService(
-      mojo::InterfaceRequest<DistillerPageNotifierService> request);
-
-  // The isolated world that the distiller object should be written to.
-  int distiller_isolated_world_id_;
-
-  // Track if the current page is distilled. This is needed for testing.
-  bool is_distiller_page_;
-
-  //mojo::StrongBinding<DistillerPageNotifierService> binding_;
-
-  // Handle to "distiller" JavaScript object functionality.
-  scoped_ptr<DistillerNativeJavaScript> native_javascript_handle_;
-  base::WeakPtrFactory<DistillerJsRenderFrameObserver> weak_factory_;
-};
-
-}  // namespace dom_distiller
-
-#endif  // COMPONENTS_DOM_DISTILLER_CONTENT_RENDERER_DISTILLER_JS_RENDER_FRAME_OBSERVER_H_