Remove Deprecate Code For Desktop Capture Picker Old UI

chrome/browser/media/combined_desktop_media_list.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 CHROME_BROWSER_MEDIA_COMBINED_DESKTOP_MEDIA_LIST_H_
-#define CHROME_BROWSER_MEDIA_COMBINED_DESKTOP_MEDIA_LIST_H_
-
-#include <memory>
-#include <vector>
-
-#include "chrome/browser/media/webrtc/desktop_media_list.h"
-#include "chrome/browser/media/webrtc/desktop_media_list_observer.h"
-
-// The combined desktop media list of one or multiple input DesktopMediaLists.
-// The combined list is the concatenation of the input lists. The front of
-// combined list will be filled with the first input list, then follows with
-// the second one and so on.
-class CombinedDesktopMediaList : public DesktopMediaList,
-                                 public DesktopMediaListObserver {
- public:
-  explicit CombinedDesktopMediaList(
-      std::vector<std::unique_ptr<DesktopMediaList>>& media_lists);
-  ~CombinedDesktopMediaList() override;
-
-  // DesktopMediaList interface.
-  void SetUpdatePeriod(base::TimeDelta period) override;
-  void SetThumbnailSize(const gfx::Size& thumbnail_size) override;
-  void SetViewDialogWindowId(content::DesktopMediaID dialog_id) override;
-  void StartUpdating(DesktopMediaListObserver* observer) override;
-  int GetSourceCount() const override;
-  const Source& GetSource(int index) const override;
-
- private:
-  // DesktopMediaListObserver interface.
-  void OnSourceAdded(DesktopMediaList* list, int index) override;
-  void OnSourceRemoved(DesktopMediaList* list, int index) override;
-  void OnSourceMoved(DesktopMediaList* list,
-                     int old_index,
-                     int new_index) override;
-  void OnSourceNameChanged(DesktopMediaList* list, int index) override;
-  void OnSourceThumbnailChanged(DesktopMediaList* list, int index) override;
-
-  std::vector<std::unique_ptr<DesktopMediaList>> media_lists_;
-
-  DesktopMediaListObserver* observer_ = nullptr;
-
-  DISALLOW_COPY_AND_ASSIGN(CombinedDesktopMediaList);
-};
-
-#endif  // CHROME_BROWSER_MEDIA_COMBINED_DESKTOP_MEDIA_LIST_H_