Refactor MediaStreamManager to never output real device id. It now always output sourceId in the fo…

content/browser/renderer_host/media/media_source_id_factory.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_BROWSER_RENDERER_HOST_MEDIA_SOURCE_ID_FACTORY
+#define CONTENT_BROWSER_RENDERER_HOST_MEDIA_SOURCE_ID_FACTORY
+
+#include <string>
+
+#include "content/common/content_export.h"
+#include "content/common/media/media_stream_options.h"
+
+namespace content {
+
+class CONTENT_EXPORT MediaSourceIdFactory {

[no longer working on chromium, 2013/10/25 08:16:39]

do you need to make it a class? I think it should be enough to be some static
helper methods here.

+ public:
+  static bool DoesSourceIdMatchDeviceId(const GURL& security_origin,
+                                        const std::string& source_id,
+                                        const std::string& device_id);
+
+  static void GenerateSourceId(const GURL& origin,
+                               const std::string& device_id,
+                               std::string* source_id);
+
+  static void GenerateSourceIds(const GURL& origin,
+                                const StreamDeviceInfoArray& raw_devices,
+                                StreamDeviceInfoArray* devices_with_sourceid);
+
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_MEDIA_SOURCE_ID_FACTORY