Remove MediaStreamTrack.getSources().

third_party/WebKit/Source/modules/modules_idl_files.gni

 # Copyright 2016 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.
 
 import("//third_party/WebKit/Source/bindings/bindings.gni")
 
 # The paths in this file are absolute since this file is imported and the
 # file lists must be valid from multple "current directories".
 
 bindings_modules_output_dir = "$bindings_output_dir/modules"
@@ skipping 141 matching lines @@
                     "mediasource/SourceBufferList.idl",
                     "mediasource/TrackDefault.idl",
                     "mediasource/TrackDefaultList.idl",
                     "mediasource/VideoPlaybackQuality.idl",
                     "mediastream/MediaDeviceInfo.idl",
                     "mediastream/MediaDevices.idl",
                     "mediastream/MediaStream.idl",
                     "mediastream/MediaStreamEvent.idl",
                     "mediastream/MediaStreamTrack.idl",
                     "mediastream/MediaStreamTrackEvent.idl",
-                    "mediastream/MediaStreamTrackSourcesCallback.idl",
                     "mediastream/NavigatorUserMediaError.idl",
                     "mediastream/NavigatorUserMediaErrorCallback.idl",
                     "mediastream/NavigatorUserMediaSuccessCallback.idl",
-                    "mediastream/SourceInfo.idl",
                     "netinfo/NetworkInformation.idl",
                     "nfc/MessageCallback.idl",
                     "nfc/NFC.idl",
                     "notifications/Notification.idl",
                     "notifications/NotificationEvent.idl",
                     "notifications/NotificationPermissionCallback.idl",
                     "offscreencanvas2d/OffscreenCanvasRenderingContext2D.idl",
                     "payments/PaymentAddress.idl",
                     "payments/PaymentRequestUpdateEvent.idl",
                     "payments/PaymentRequest.idl",
@@ skipping 718 matching lines @@
   "$blink_modules_output_dir/websockets/CloseEventInit.h",
   "$blink_modules_output_dir/webusb/USBConnectionEventInit.cpp",
   "$blink_modules_output_dir/webusb/USBConnectionEventInit.h",
   "$blink_modules_output_dir/webusb/USBControlTransferParameters.cpp",
   "$blink_modules_output_dir/webusb/USBControlTransferParameters.h",
   "$blink_modules_output_dir/webusb/USBDeviceFilter.cpp",
   "$blink_modules_output_dir/webusb/USBDeviceFilter.h",
   "$blink_modules_output_dir/webusb/USBDeviceRequestOptions.cpp",
   "$blink_modules_output_dir/webusb/USBDeviceRequestOptions.h",
 ]