Revert of Expose distiller functions to JavaScript

components/dom_distiller/content/renderer/distiller_js_render_frame_observer.cc

-// 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.
-
-#include "components/dom_distiller/content/renderer/distiller_js_render_frame_observer.h"
-
-#include "base/bind.h"
-#include "components/dom_distiller/content/common/distiller_page_notifier_service.mojom.h"
-#include "components/dom_distiller/content/renderer/distiller_page_notifier_service_impl.h"
-#include "content/public/common/service_registry.h"
-#include "content/public/renderer/render_frame.h"
-#include "v8/include/v8.h"
-
-namespace dom_distiller {
-
-DistillerJsRenderFrameObserver::DistillerJsRenderFrameObserver(
-    content::RenderFrame* render_frame,
-    const int distiller_isolated_world_id)
-    : RenderFrameObserver(render_frame),
-      distiller_isolated_world_id_(distiller_isolated_world_id),
-      is_distiller_page_(false),
-      weak_factory_(this) {}
-
-DistillerJsRenderFrameObserver::~DistillerJsRenderFrameObserver() {}
-
-void DistillerJsRenderFrameObserver::DidStartProvisionalLoad() {
-  RegisterMojoService();
-}
-
-void DistillerJsRenderFrameObserver::DidFinishLoad() {
-  // If no message about the distilled page was received at this point, there
-  // will not be one; remove the DistillerPageNotifierService from the registry.
-  render_frame()
-      ->GetServiceRegistry()
-      ->RemoveService<DistillerPageNotifierService>();
-}
-
-void DistillerJsRenderFrameObserver::DidCreateScriptContext(
-    v8::Local<v8::Context> context,
-    int extension_group,
-    int world_id) {
-  if (world_id != distiller_isolated_world_id_ || !is_distiller_page_) {
-    return;
-  }
-
-  native_javascript_handle_.reset(
-      new DistillerNativeJavaScript(render_frame()));
-  native_javascript_handle_->AddJavaScriptObjectToFrame(context);
-}
-
-void DistillerJsRenderFrameObserver::RegisterMojoService() {
-  render_frame()->GetServiceRegistry()->AddService(base::Bind(
-      &DistillerJsRenderFrameObserver::CreateDistillerPageNotifierService,
-      weak_factory_.GetWeakPtr()));
-}
-
-void DistillerJsRenderFrameObserver::CreateDistillerPageNotifierService(
-    mojo::InterfaceRequest<DistillerPageNotifierService> request) {
-  // This is strongly bound to and owned by the pipe.
-  new DistillerPageNotifierServiceImpl(this, request.Pass());
-}
-
-void DistillerJsRenderFrameObserver::SetIsDistillerPage() {
-  is_distiller_page_ = true;
-}
-
-}  // namespace dom_distiller