Remove c/b/media/webrtc/media_permission.{h,cc}

chrome/browser/BUILD.gn

 # Copyright 2014 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("//build/config/chrome_build.gni")
 import("//build/config/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//build/split_static_library.gni")
 import("//chrome/common/features.gni")
@@ skipping 551 matching lines @@
     "media/router/media_router_feature.cc",
     "media/router/media_router_feature.h",
     "media/webrtc/desktop_media_list.h",
     "media/webrtc/desktop_media_list_base.cc",
     "media/webrtc/desktop_media_list_base.h",
     "media/webrtc/desktop_media_picker.h",
     "media/webrtc/desktop_streams_registry.cc",
     "media/webrtc/desktop_streams_registry.h",
     "media/webrtc/media_capture_devices_dispatcher.cc",
     "media/webrtc/media_capture_devices_dispatcher.h",
-    "media/webrtc/media_permission.cc",
-    "media/webrtc/media_permission.h",
     "media/webrtc/media_stream_capture_indicator.cc",
     "media/webrtc/media_stream_capture_indicator.h",
     "media/webrtc/media_stream_device_permission_context.cc",
     "media/webrtc/media_stream_device_permission_context.h",
     "media/webrtc/media_stream_device_permissions.cc",
     "media/webrtc/media_stream_device_permissions.h",
     "media/webrtc/media_stream_devices_controller.cc",
     "media/webrtc/media_stream_devices_controller.h",
     "media/webrtc/native_desktop_media_list.cc",
     "media/webrtc/native_desktop_media_list.h",
@@ skipping 4081 matching lines @@
       "media/pepper_cdm_test_constants.cc",
       "media/pepper_cdm_test_constants.h",
     ]
   }
 }
 
 service_manifest("preferences_forwarder_manifest") {
   name = "preferences_forwarder"
   source = "prefs/forwarder_manifest.json"
 }