Revert of mandoline: Add back/forward support and UI.

components/web_view/url_request_cloneable.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_VIEW_URL_REQUEST_CLONEABLE_H_
-#define COMPONENTS_WEB_VIEW_URL_REQUEST_CLONEABLE_H_
-
-#include <string>
-#include <vector>
-
-#include "base/basictypes.h"
-#include "mojo/services/network/public/interfaces/url_loader.mojom.h"
-
-namespace web_view {
-
-// This class caches data associated with a mojo::URLRequest and vends copies
-// of the request for the WebView system. Copies are used for repeated
-// navigations, but URLRequest structs are not copyable, as they contain
-// handles to transfer large amounts of data between processes, so we
-// immediately read the data from pipes and keep a copy here.
-class URLRequestCloneable {
- public:
-  explicit URLRequestCloneable(mojo::URLRequestPtr original_request);
-  ~URLRequestCloneable();
-
-  // Creates a new URLRequest.
-  mojo::URLRequestPtr Clone() const;
-
- private:
-  // All of these are straight from mojo::URLRequest.
-  mojo::String url_;
-  mojo::String method_;
-  mojo::Array<mojo::HttpHeaderPtr> headers_;
-  uint32_t response_body_buffer_size_;
-  bool auto_follow_redirects_;
-  bool bypass_cache_;
-
-  // Whether the body mojo array in the |original_request| was null. We keep
-  // track of this so we can differentiate between null arrays and empty
-  // arrays.
-  bool original_body_null_;
-
-  // This is a serialized version of the data from mojo::URLRequest. We copy
-  // this data straight out of the data pipes, and then serve it any time that
-  // AsURLRequest() is called.
-  std::vector<std::string> body_;
-
-  DISALLOW_COPY_AND_ASSIGN(URLRequestCloneable);
-};
-
-}  // namespace web_view
-
-#endif  // COMPONENTS_WEB_VIEW_URL_REQUEST_CLONEABLE_H_