[Media Router] 2nd take on fix route response callback lifetime in UI.

chrome/browser/media/router/create_session_request.h

Index: chrome/browser/media/router/create_session_request.h
diff --git a/chrome/browser/media/router/create_session_request.h b/chrome/browser/media/router/create_session_request.h
deleted file mode 100644
index 5bcb71f61d2a57ddfbce6761d83da3c64270fefd..0000000000000000000000000000000000000000
--- a/chrome/browser/media/router/create_session_request.h
+++ /dev/null
@@ -1,71 +0,0 @@
-// 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 CHROME_BROWSER_MEDIA_ROUTER_CREATE_SESSION_REQUEST_H_
-#define CHROME_BROWSER_MEDIA_ROUTER_CREATE_SESSION_REQUEST_H_
-
-#include <string>
-
-#include "chrome/browser/media/router/media_route.h"
-#include "chrome/browser/media/router/media_source.h"
-#include "content/public/browser/presentation_service_delegate.h"
-#include "url/gurl.h"
-
-namespace content {
-struct PresentationError;
-struct PresentationSessionInfo;
-}  // namespace content
-
-namespace media_router {
-
-// Holds parameters for creating a presentation session.
-// A request object is created by presentation_service_delegate_impl when it
-// gets create-session request. The object is then passed to and owned by the
-// MediaRouterUI. |success_cb| will be invoked when create-session
-// succeeds, or |error_cb| will be invoked when create-session fails or
-// the UI closes.
-class CreateSessionRequest {
- public:
-  using PresentationSessionSuccessCallback =
-      base::Callback<void(const content::PresentationSessionInfo&,
-                          const MediaRoute::Id&)>;
-  using PresentationSessionErrorCallback =
-      content::PresentationServiceDelegate::PresentationSessionErrorCallback;
-
-  // |presentation_url| must be valid.
-  CreateSessionRequest(const std::string& presentation_url,
-                       const std::string& presentation_id,
-                       const GURL& frame_url,
-                       const PresentationSessionSuccessCallback& success_cb,
-                       const PresentationSessionErrorCallback& error_cb);
-  ~CreateSessionRequest();
-
-  // Gets the MediaSource derived from this instance's presentation URL.
-  const MediaSource& GetMediaSource() const { return media_source_; }
-
-  const GURL& frame_url() const { return frame_url_; }
-  const content::PresentationSessionInfo& presentation_info() const {
-    return presentation_info_;
-  }
-
-  // Invokes |success_cb_| or |error_cb_| with the given arguments.
-  // These functions can only be invoked once per instance. Further invocations
-  // are no-op.
-  void MaybeInvokeSuccessCallback(const MediaRoute::Id& route_id);
-  void MaybeInvokeErrorCallback(const content::PresentationError& error);
-
- private:
-  content::PresentationSessionInfo presentation_info_;
-  MediaSource media_source_;
-  GURL frame_url_;
-  PresentationSessionSuccessCallback success_cb_;
-  PresentationSessionErrorCallback error_cb_;
-  bool cb_invoked_;
-
-  DISALLOW_COPY_AND_ASSIGN(CreateSessionRequest);
-};
-
-}  // namespace media_router
-
-#endif  // CHROME_BROWSER_MEDIA_ROUTER_CREATE_SESSION_REQUEST_H_