Refactor: Make MediaCaptureDevicesDispatcher have pluggable handlers.

chrome/chrome_browser.gypi

 # Copyright 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.
 
 {
   'variables': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 538 matching lines @@
       'browser/media/android/remote/record_cast_action.cc',
       'browser/media/android/remote/record_cast_action.h',
       'browser/media/android/remote/remote_media_player_bridge.cc',
       'browser/media/android/remote/remote_media_player_bridge.h',
       'browser/media/android/remote/remote_media_player_manager.cc',
       'browser/media/android/remote/remote_media_player_manager.h',
       'browser/media/desktop_media_list.h',
       'browser/media/desktop_media_picker.h',
       'browser/media/desktop_streams_registry.cc',
       'browser/media/desktop_streams_registry.h',
+      'browser/media/media_access_handler.h',
       'browser/media/media_capture_devices_dispatcher.cc',
       'browser/media/media_capture_devices_dispatcher.h',
       'browser/media/media_device_id_salt.cc',
       'browser/media/media_device_id_salt.h',
       'browser/media/media_stream_capture_indicator.cc',
       'browser/media/media_stream_capture_indicator.h',
       'browser/media/media_stream_device_permissions.cc',
       'browser/media/media_stream_device_permissions.h',
       'browser/media/media_stream_devices_controller.cc',
       'browser/media/media_stream_devices_controller.h',
       'browser/media/media_stream_infobar_delegate.cc',
       'browser/media/media_stream_infobar_delegate.h',
       'browser/media/media_url_constants.cc',
       'browser/media/media_url_constants.h',
       'browser/media/midi_permission_context.cc',
       'browser/media/midi_permission_context.h',
       'browser/media/midi_permission_context_factory.cc',
       'browser/media/midi_permission_context_factory.h',
       'browser/media/midi_permission_infobar_delegate.cc',
       'browser/media/midi_permission_infobar_delegate.h',
       'browser/media/native_desktop_media_list.cc',
       'browser/media/native_desktop_media_list.h',
+      'browser/media/permission_bubble_media_access_handler.cc',
+      'browser/media/permission_bubble_media_access_handler.h',
       # TODO(brettw) should this go with the webrtc sources?
       'browser/media/webrtc_log_list.cc',
       'browser/media/webrtc_log_list.h',
       'browser/memory_details.cc',
       'browser/memory_details.h',
       'browser/memory_details_android.cc',
       'browser/memory_details_linux.cc',
       'browser/memory_details_mac.cc',
       'browser/memory_details_win.cc',
       'browser/mod_pagespeed/mod_pagespeed_metrics.cc',
@@ skipping 847 matching lines @@
       'browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.cc',
       'browser/guest_view/mime_handler_view/chrome_mime_handler_view_guest_delegate.h',
       'browser/guest_view/web_view/chrome_web_view_guest_delegate.cc',
       'browser/guest_view/web_view/chrome_web_view_guest_delegate.h',
       'browser/guest_view/web_view/chrome_web_view_permission_helper_delegate.cc',
       'browser/guest_view/web_view/chrome_web_view_permission_helper_delegate.h',
       'browser/guest_view/web_view/context_menu_content_type_web_view.cc',
       'browser/guest_view/web_view/context_menu_content_type_web_view.h',
       'browser/media/cast_transport_host_filter.cc',
       'browser/media/cast_transport_host_filter.h',
+      'browser/media/desktop_capture_access_handler.cc',
+      'browser/media/desktop_capture_access_handler.h',
+      'browser/media/extension_media_access_handler.cc',
+      'browser/media/extension_media_access_handler.h',
+      'browser/media/tab_capture_access_handler.cc',
+      'browser/media/tab_capture_access_handler.h',
       'browser/metrics/extensions_metrics_provider.cc',
       'browser/metrics/extensions_metrics_provider.h',
       'browser/renderer_context_menu/context_menu_content_type_app_mode.cc',
       'browser/renderer_context_menu/context_menu_content_type_app_mode.h',
       'browser/renderer_context_menu/context_menu_content_type_extension_popup.cc',
       'browser/renderer_context_menu/context_menu_content_type_extension_popup.h',
       'browser/renderer_context_menu/context_menu_content_type_platform_app.cc',
       'browser/renderer_context_menu/context_menu_content_type_platform_app.h',
       'browser/renderer_host/chrome_extension_message_filter.cc',
       'browser/renderer_host/chrome_extension_message_filter.h',
@@ skipping 2542 matching lines @@
           'variables': {
             'proto_in_dir': 'browser/sync_file_system/drive_backend',
             'proto_out_dir': 'chrome/browser/sync_file_system/drive_backend',
           },
           'includes': [ '../build/protoc.gypi' ]
         },
       ],
     },],
   ],
 }