reland crrev.com/212927 Move webkitplatformsupport_impl and related from glue to child

webkit/glue/weburlrequest_extradata_impl.h

-// Copyright (c) 2012 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 WEBKIT_GLUE_WEBURLREQUEST_EXTRADATA_IMPL_H_
-#define WEBKIT_GLUE_WEBURLREQUEST_EXTRADATA_IMPL_H_
-
-#include "base/compiler_specific.h"
-#include "third_party/WebKit/public/platform/WebReferrerPolicy.h"
-#include "third_party/WebKit/public/platform/WebString.h"
-#include "third_party/WebKit/public/platform/WebURLRequest.h"
-#include "webkit/common/webkit_common_export.h"
-
-namespace webkit_glue {
-
-// Base class for Chrome's implementation of the "extra data" stored in each
-// ResourceRequest.
-class WEBKIT_COMMON_EXPORT WebURLRequestExtraDataImpl :
-    public NON_EXPORTED_BASE(WebKit::WebURLRequest::ExtraData) {
- public:
-  // |custom_user_agent| is used to communicate an overriding custom user agent
-  // to |RenderViewImpl::willSendRequest()|; set to a null string to indicate no
-  // override and an empty string to indicate that there should be no user
-  // agent. This needs to be here, instead of content's |RequestExtraData| since
-  // ppb_url_request_info_impl.cc needs to be able to set it.
-  explicit WebURLRequestExtraDataImpl(
-      WebKit::WebReferrerPolicy referrer_policy,
-      const WebKit::WebString& custom_user_agent);
-  virtual ~WebURLRequestExtraDataImpl();
-
-  WebKit::WebReferrerPolicy referrer_policy() const { return referrer_policy_; }
-  const WebKit::WebString& custom_user_agent() const {
-    return custom_user_agent_;
-  }
-
- private:
-  WebKit::WebReferrerPolicy referrer_policy_;
-  WebKit::WebString custom_user_agent_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebURLRequestExtraDataImpl);
-};
-
-}  // namespace webkit_glue
-
-#endif  // WEBKIT_GLUE_WEBURLREQUEST_EXTRADATA_IMPL_H_