Desktop chrome tab capture-chooseDesktopMedia()

content/browser/media/capture/web_contents_capture_util.h

-// Copyright (c) 2012 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_MEDIA_CAPTURE_WEB_CONTENTS_CAPTURE_UTIL_H_
-#define CONTENT_BROWSER_MEDIA_CAPTURE_WEB_CONTENTS_CAPTURE_UTIL_H_
-
-#include <string>
-
-#include "content/common/content_export.h"
-
-namespace content {
-
-class CONTENT_EXPORT WebContentsCaptureUtil {
- public:
-  // Check whether the device id indicates that this is a web contents stream.
-  static bool IsWebContentsDeviceId(const std::string& device_id);
-
-  // Function to extract the target render frame id's from a media stream
-  // request's device id.
-  static bool ExtractTabCaptureTarget(const std::string& device_id,
-                                      int* render_process_id,
-                                      int* main_render_frame_id);
-
-  // Parses the media stream request |device_id| and returns true if both 1) the
-  // format is valid, and 2) the throttling option is set to auto.
-  static bool IsAutoThrottlingOptionSet(const std::string& device_id);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_BROWSER_MEDIA_CAPTURE_WEB_CONTENTS_CAPTURE_UTIL_H_