Move c/b/media/router/mojo/*.mojom to chrome/common/media_router/mojo/*.mojom

chrome/browser/media/router/media_source.h

-// 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_MEDIA_SOURCE_H_
-#define CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SOURCE_H_
-
-#include <stddef.h>
-
-#include <ostream>
-#include <string>
-
-#include "base/hash.h"
-#include "url/gurl.h"
-
-// TODO(mfoltz): Right now this is a wrapper for std::string.  Factor methods
-// from media_source_helper here so this object becomes useful; and don't just
-// pass it around by Id.
-namespace media_router {
-
-class MediaSource {
- public:
-  using Id = std::string;
-
-  explicit MediaSource(const MediaSource::Id& id);
-  explicit MediaSource(const GURL& presentation_url);
-  MediaSource();
-  ~MediaSource();
-
-  // Gets the ID of the media source.
-  MediaSource::Id id() const;
-
-  // If MediaSource is created from a URL, return the URL; otherwise return an
-  // empty GURL.
-  GURL url() const;
-
-  // Returns true if two MediaSource objects use the same media ID.
-  bool operator==(const MediaSource& other) const;
-
-  // Used for logging.
-  std::string ToString() const;
-
-  // Hash operator for hash containers.
-  struct Hash {
-    size_t operator()(const MediaSource& source) const {
-      return base::Hash(source.id());
-    }
-  };
-
- private:
-  MediaSource::Id id_;
-  GURL url_;
-};
-
-}  // namespace media_router
-
-#endif  // CHROME_BROWSER_MEDIA_ROUTER_MEDIA_SOURCE_H_