Revert of Expose distiller functions to JavaScript

components/dom_distiller/content/browser/distiller_javascript_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_BROWSER_DISTILLER_JAVASCRIPT_SERVICE_IMPL_H_
-#define COMPONENTS_DOM_DISTILLER_CONTENT_BROWSER_DISTILLER_JAVASCRIPT_SERVICE_IMPL_H_
-
-#include "components/dom_distiller/content/common/distiller_javascript_service.mojom.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/string.h"
-#include "third_party/mojo/src/mojo/public/cpp/bindings/strong_binding.h"
-
-namespace dom_distiller {
-
-// This is the receiving end of "distiller" JavaScript object calls.
-class DistillerJavaScriptServiceImpl : public DistillerJavaScriptService {
- public:
-  DistillerJavaScriptServiceImpl(
-      mojo::InterfaceRequest<DistillerJavaScriptService> request);
-  ~DistillerJavaScriptServiceImpl() override;
-
-  // Mojo DistillerJavaScriptService implementation.
-  void HandleDistillerEchoCall(const mojo::String& message) override;
-
- private:
-  mojo::StrongBinding<DistillerJavaScriptService> binding_;
-};
-
-// static
-void CreateDistillerJavaScriptService(
-    mojo::InterfaceRequest<DistillerJavaScriptService> request);
-
-}  // namespace dom_distiller
-
-#endif  // COMPONENTS_DOM_DISTILLER_CONTENT_BROWSER_DISTILLER_JAVASCRIPT_SERVICE_IMPL_H_