Move ChromeOS login media access logic into a MediaAccessHandler

chrome/browser/media/webrtc/desktop_capture_access_handler.cc

 // 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.
 
 #include "chrome/browser/media/webrtc/desktop_capture_access_handler.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/strings/string_number_conversions.h"
@@ skipping 333 matching lines @@
 
 bool DesktopCaptureAccessHandler::IsDefaultApproved(
     const extensions::Extension* extension) {
   return extension &&
          (extension->location() == extensions::Manifest::COMPONENT ||
           extension->location() == extensions::Manifest::EXTERNAL_COMPONENT ||
           IsExtensionWhitelistedForScreenCapture(extension));
 }
 
 bool DesktopCaptureAccessHandler::SupportsStreamType(
+    content::WebContents* web_contents,
     const content::MediaStreamType type,
     const extensions::Extension* extension) {
   return type == content::MEDIA_DESKTOP_VIDEO_CAPTURE ||
          type == content::MEDIA_DESKTOP_AUDIO_CAPTURE;
 }
 
 bool DesktopCaptureAccessHandler::CheckMediaAccessPermission(
     content::WebContents* web_contents,
     const GURL& security_origin,
     content::MediaStreamType type,
@@ skipping 84 matching lines @@
   const bool display_notification = ShouldDisplayNotification(extension);
 
   ui = GetDevicesForDesktopCapture(&devices, media_id, capture_audio,
                                    request.disable_local_echo,
                                    display_notification,
                                    GetApplicationTitle(web_contents, extension),
                                    base::UTF8ToUTF16(original_extension_name));
   UpdateExtensionTrusted(request, extension);
   callback.Run(devices, content::MEDIA_DEVICE_OK, std::move(ui));
 }