Remove PeerConnectionIdentityStore and related messaging/storage code.

content/renderer/media/webrtc_identity_service.h

-// Copyright 2013 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_RENDERER_MEDIA_WEBRTC_IDENTITY_SERVICE_H_
-#define CONTENT_RENDERER_MEDIA_WEBRTC_IDENTITY_SERVICE_H_
-
-#include <deque>
-#include <string>
-
-#include "base/callback.h"
-#include "base/macros.h"
-#include "content/common/content_export.h"
-#include "content/common/media/webrtc_identity_messages.h"
-#include "content/public/renderer/render_thread_observer.h"
-#include "url/gurl.h"
-
-namespace content {
-
-// This class handles WebRTC DTLS identity requests by sending IPC messages to
-// the browser process. Only one request is sent to the browser at a time; other
-// requests are queued and have to wait for the outstanding request to complete.
-class CONTENT_EXPORT WebRTCIdentityService : public RenderThreadObserver {
- public:
-  typedef base::Callback<
-      void(const std::string& certificate, const std::string& private_key)>
-      SuccessCallback;
-
-  typedef base::Callback<void(int error)> FailureCallback;
-
-  WebRTCIdentityService();
-  ~WebRTCIdentityService() override;
-
-  // Sends an identity request.
-  //
-  // |url| is the frame url of the caller;
-  // |first_party_for_cookies| is the first party url for checking cookie
-  // policies.
-  // |identity_name| and |common_name| have the same meaning as in
-  // webrtc::DTLSIdentityServiceInterface::RequestIdentity;
-  // |success_callback| is the callback if the identity is successfully
-  // returned;
-  // |failure_callback| is the callback if the identity request fails.
-  //
-  // The request id is returned. It's unique within the renderer and can be used
-  // to cancel the request.
-  int RequestIdentity(const GURL& url,
-                      const GURL& first_party_for_cookies,
-                      const std::string& identity_name,
-                      const std::string& common_name,
-                      const SuccessCallback& success_callback,
-                      const FailureCallback& failure_callback);
-
-  // Cancels a previous request and the callbacks will not be called.
-  // If the |request_id| is not associated with the
-  // outstanding request or any queued request, this method does nothing.
-  //
-  // |request_id| is the request id returned from RequestIdentity.
-  void CancelRequest(int request_id);
-
- protected:
-  // For unittest to override.
-  virtual bool Send(IPC::Message* message);
-  // RenderThreadObserver implementation. Protected for testing.
-  bool OnControlMessageReceived(const IPC::Message& message) override;
-
- private:
-  struct RequestInfo {
-    RequestInfo(const WebRTCIdentityMsg_RequestIdentity_Params& params,
-                const SuccessCallback& success_callback,
-                const FailureCallback& failure_callback);
-    RequestInfo(const RequestInfo& other);
-    ~RequestInfo();
-
-    WebRTCIdentityMsg_RequestIdentity_Params params;
-    SuccessCallback success_callback;
-    FailureCallback failure_callback;
-  };
-
-  // IPC message handlers.
-  void OnIdentityReady(int request_id,
-                       const std::string& certificate,
-                       const std::string& private_key);
-  void OnRequestFailed(int request_id, int error);
-
-  void SendRequest(const RequestInfo& request_info);
-  void OnOutstandingRequestReturned();
-
-  std::deque<RequestInfo> pending_requests_;
-  int next_request_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(WebRTCIdentityService);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_MEDIA_WEBRTC_IDENTITY_SERVICE_H_