[Cross-Site Isolation] Migrate entire MediaStream verticals to be per-RenderFrame.

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:
-  // Returns a new id after appending the device id scheme for virtual streams.
-  static std::string AppendWebContentsDeviceScheme(
-      const std::string& device_id_param);
-
-  static std::string StripWebContentsDeviceScheme(
-      const std::string& device_id_param);
-
   // 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 renderer id's from a tab media stream
+  // 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* render_view_id);
+                                      int* main_render_frame_id);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_MEDIA_CAPTURE_WEB_CONTENTS_CAPTURE_UTIL_H_