[Presentation API] Add support for multiple URLs in PresentationRequest on Media Router UI side

chrome/browser/ui/webui/media_router/cast_modes_with_media_sources.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_UI_WEBUI_MEDIA_ROUTER_CAST_MODES_WITH_MEDIA_SOURCES_H_
+#define CHROME_BROWSER_UI_WEBUI_MEDIA_ROUTER_CAST_MODES_WITH_MEDIA_SOURCES_H_
+
+#include <map>
+#include <unordered_set>
+
+#include "chrome/browser/media/router/media_source.h"
+#include "chrome/browser/ui/webui/media_router/media_cast_mode.h"
+
+namespace media_router {
+
+//

[mark a. foltz, 2016/08/31 05:18:55]

Finish class level comment

[takumif, 2016/09/01 21:09:25]

Oops. Done.

+class CastModesWithMediaSources {
+ public:
+  CastModesWithMediaSources();
+  CastModesWithMediaSources(const CastModesWithMediaSources& other);
+  ~CastModesWithMediaSources();
+
+  void AddSource(const MediaSource& source, MediaCastMode cast_mode);
+  void RemoveSource(const MediaSource& source, MediaCastMode cast_mode);
+  bool HasSource(const MediaSource& source, MediaCastMode cast_mode) const;
+
+  void RemoveCastMode(MediaCastMode cast_mode);
+
+  CastModeSet GetCastModes() const;
+
+  bool IsEmpty() const;

[mark a. foltz, 2016/08/31 05:18:54]

Does this mean the cast mode set is empty?  Please document.

[takumif, 2016/09/01 21:09:25]

Done.

+
+ private:
+  std::map<MediaCastMode, std::unordered_set<MediaSource, MediaSource::Hash>>
+  cast_modes_;
+};
+
+}  // namespace media_router
+
+#endif  // CHROME_BROWSER_UI_WEBUI_MEDIA_ROUTER_CAST_MODES_WITH_MEDIA_SOURCES_H_