Move usage of WebString methods into renderer for FrameOwnerProperties

content/common/frame_owner_properties.h

 // Copyright 2016 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 CONTENT_COMMON_FRAME_OWNER_PROPERTIES_H_
 #define CONTENT_COMMON_FRAME_OWNER_PROPERTIES_H_
 
 #include <vector>
 
 #include "content/common/content_export.h"
 #include "third_party/WebKit/public/platform/modules/permissions/permission.mojom.h"
 #include "third_party/WebKit/public/web/WebFrameOwnerProperties.h"
 
 namespace content {
 
 // Used for IPC transport of WebFrameOwnerProperties. WebFrameOwnerProperties
 // can't be used directly as it contains a WebVector which doesn't have
 // ParamTraits defined.
 struct CONTENT_EXPORT FrameOwnerProperties {
   FrameOwnerProperties();
   FrameOwnerProperties(const FrameOwnerProperties& other);
-  explicit FrameOwnerProperties(
-      const blink::WebFrameOwnerProperties& web_frame_owner_properties);
   ~FrameOwnerProperties();
 
-  blink::WebFrameOwnerProperties ToWebFrameOwnerProperties() const;
-
   bool operator==(const FrameOwnerProperties& other) const;
   bool operator!=(const FrameOwnerProperties& other) const {
     return !(*this == other);
   }
 
   std::string name;  // browsing context container's name
   blink::WebFrameOwnerProperties::ScrollingMode scrolling_mode;
   int margin_width;
   int margin_height;
   bool allow_fullscreen;
   bool allow_payment_request;
 
   // An experimental attribute to be used by a parent frame to enforce CSP on a
   // subframe. This is different from replicated CSP headers kept in
   // FrameReplicationState that keep track of CSP headers currently in effect
   // for a frame. See https://crbug.com/647588 and
   // https://www.w3.org/TR/csp-embedded-enforcement/#required-csp
   std::string required_csp;
 
   std::vector<blink::mojom::PermissionName> delegated_permissions;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_COMMON_FRAME_OWNER_PROPERTIES_H_