Implement Web Restrictions in WebView.

components/web_restrictions/renderer/web_restrictions_gin_wrapper.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_WEB_RESTRICTION_WEB_RESTRICTION_GIN_WRAPPER_H_
-#define COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTION_GIN_WRAPPER_H_
-
-#include "base/macros.h"
-#include "content/public/renderer/render_frame_observer.h"
-#include "gin/wrappable.h"
-
-namespace content {
-class RenderFrame;
-}
-
-namespace web_restrictions {
-
-class WebRestrictionsGinWrapper
-    : public gin::Wrappable<WebRestrictionsGinWrapper>,
-      public content::RenderFrameObserver {
- public:
-  static gin::WrapperInfo kWrapperInfo;
-
-  static void Install(content::RenderFrame* render_frame);
-
- private:
-  explicit WebRestrictionsGinWrapper(content::RenderFrame* render_frame);
-  ~WebRestrictionsGinWrapper() override;
-
-  // Override OnDestruct to prevent the wrapper going away when the
-  // RenderFrame does
-  void OnDestruct() override;
-
-  // Request permission to allow visiting the currently blocked site.
-  bool RequestPermission();
-
-  // gin::WrappableBase
-  gin::ObjectTemplateBuilder GetObjectTemplateBuilder(
-      v8::Isolate* isolate) override;
-
-  DISALLOW_COPY_AND_ASSIGN(WebRestrictionsGinWrapper);
-};
-
-}  // namespace web_restrictions.
-
-#endif  // COMPONENTS_WEB_RESTRICTION_WEB_RESTRICTION_GIN_WRAPPER_H_