Use in-class initializers for base::WeakPtrFactory in media/.

Generated by: https://chromium-review.googlesource.com/c/chromium/src/+/1689216

Bug: 981415
Change-Id: Ie618bea17c512ae540df8f595cf12d515c49f4d2
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1692019
Reviewed-by: Dale Curtis <dalecurtis@chromium.org>
Commit-Queue: Jeremy Roman <jbroman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#675735}

• media/audio/alive_checker.cc[diff]
• media/audio/alive_checker.h[diff]
• media/audio/alsa/alsa_output.cc[diff]
• media/audio/alsa/alsa_output.h[diff]
• media/audio/audio_debug_recording_helper.cc[diff]
• media/audio/audio_debug_recording_helper.h[diff]
• media/audio/audio_debug_recording_manager.cc[diff]
• media/audio/audio_debug_recording_manager.h[diff]
• media/audio/audio_input_controller.cc[diff]
• media/audio/audio_input_controller.h[diff]
• media/audio/audio_output_controller.cc[diff]
• media/audio/audio_output_controller.h[diff]
• media/audio/audio_output_dispatcher_impl.cc[diff]
• media/audio/audio_output_dispatcher_impl.h[diff]
• media/audio/audio_output_resampler.cc[diff]
• media/audio/audio_output_resampler.h[diff]
• media/audio/power_observer_helper.cc[diff]
• media/audio/power_observer_helper.h[diff]
• media/base/fallback_video_decoder.cc[diff]
• media/base/fallback_video_decoder.h[diff]
• media/base/pipeline_impl.cc[diff]
• media/base/pipeline_impl.h[diff]
• media/base/serial_runner.cc[diff]
• media/base/serial_runner.h[diff]
• media/base/text_renderer.cc[diff]
• media/base/text_renderer.h[diff]
• media/base/video_thumbnail_decoder.cc[diff]
• media/base/video_thumbnail_decoder.h[diff]
• media/blink/cdm_session_adapter.cc[diff]
• media/blink/cdm_session_adapter.h[diff]
• media/blink/key_system_config_selector.cc[diff]
• media/blink/key_system_config_selector.h[diff]
• media/blink/multibuffer_data_source.cc[diff]
• media/blink/multibuffer_data_source.h[diff]
• media/blink/multibuffer_reader.cc[diff]
• media/blink/multibuffer_reader.h[diff]
• media/blink/resource_multibuffer_data_provider.cc[diff]
• media/blink/resource_multibuffer_data_provider.h[diff]
• media/blink/video_frame_compositor.cc[diff]
• media/blink/video_frame_compositor.h[diff]
• media/blink/webcontentdecryptionmodulesession_impl.cc[diff]
• media/blink/webcontentdecryptionmodulesession_impl.h[diff]
• media/blink/webencryptedmediaclient_impl.cc[diff]
• media/blink/webencryptedmediaclient_impl.h[diff]
• media/blink/webmediaplayer_impl.cc[diff]
• media/blink/webmediaplayer_impl.h[diff]
• media/capabilities/in_memory_video_decode_stats_db_impl.cc[diff]
• media/capabilities/in_memory_video_decode_stats_db_impl.h[diff]
• media/capabilities/video_decode_stats_db_impl.cc[diff]
• media/capabilities/video_decode_stats_db_impl.h[diff]
• media/capture/video/fake_video_capture_device.cc[diff]
• media/capture/video/fake_video_capture_device.h[diff]
• media/capture/video/linux/v4l2_capture_delegate.cc[diff]
• media/capture/video/linux/v4l2_capture_delegate.h[diff]
• media/cast/cast_sender_impl.cc[diff]
• media/cast/cast_sender_impl.h[diff]
• media/cast/net/cast_transport_impl.cc[diff]
• media/cast/net/cast_transport_impl.h[diff]
• media/cast/net/pacing/paced_sender.cc[diff]
• media/cast/net/pacing/paced_sender.h[diff]
• media/cast/net/rtp/rtp_sender.cc[diff]
• media/cast/net/rtp/rtp_sender.h[diff]
• media/cast/net/udp_transport_impl.cc[diff]
• media/cast/net/udp_transport_impl.h[diff]
• media/cast/receiver/frame_receiver.cc[diff]
• media/cast/receiver/frame_receiver.h[diff]
• media/cast/sender/audio_sender.cc[diff]
• media/cast/sender/audio_sender.h[diff]
• media/cast/sender/external_video_encoder.cc[diff]
• media/cast/sender/external_video_encoder.h[diff]
• media/cast/sender/frame_sender.cc[diff]
• media/cast/sender/frame_sender.h[diff]
• media/cast/sender/size_adaptable_video_encoder_base.cc[diff]
• media/cast/sender/size_adaptable_video_encoder_base.h[diff]
• media/cast/sender/video_sender.cc[diff]
• media/cast/sender/video_sender.h[diff]
• media/cast/test/fake_media_source.cc[diff]
• media/cast/test/fake_media_source.h[diff]
• media/cast/test/utility/in_process_receiver.cc[diff]
• media/cast/test/utility/in_process_receiver.h[diff]
• media/cast/test/utility/udp_proxy.cc[diff]
• media/cast/test/utility/udp_proxy.h[diff]
• media/cdm/cdm_adapter.cc[diff]
• media/cdm/cdm_adapter.h[diff]
• media/cdm/library_cdm/clear_key_cdm/cdm_video_decoder.cc[diff]
• media/cdm/library_cdm/clear_key_cdm/clear_key_cdm_proxy.cc[diff]
• media/cdm/library_cdm/clear_key_cdm/clear_key_cdm_proxy.h[diff]
• media/cdm/library_cdm/clear_key_cdm/clear_key_persistent_session_cdm.cc[diff]
• media/cdm/library_cdm/clear_key_cdm/clear_key_persistent_session_cdm.h[diff]
• media/filters/decoder_selector.cc[diff]
• media/filters/decoder_selector.h[diff]
• media/filters/decoder_stream.cc[diff]
• media/filters/decoder_stream.h[diff]
• media/filters/decrypting_audio_decoder.cc[diff]
• media/filters/decrypting_audio_decoder.h[diff]
• media/filters/decrypting_demuxer_stream.cc[diff]
• media/filters/decrypting_demuxer_stream.h[diff]
• media/filters/decrypting_media_resource.cc[diff]
• media/filters/decrypting_media_resource.h[diff]
• media/filters/decrypting_video_decoder.cc[diff]
• media/filters/decrypting_video_decoder.h[diff]
• media/filters/fake_video_decoder.cc[diff]
• media/filters/fake_video_decoder.h[diff]
• media/filters/ffmpeg_demuxer.cc[diff]
• media/filters/ffmpeg_demuxer.h[diff]
• media/filters/offloading_video_decoder.cc[diff]
• media/filters/offloading_video_decoder.h[diff]
• media/filters/pipeline_controller.cc[diff]
• media/filters/pipeline_controller.h[diff]
• media/filters/vp9_parser.cc[diff]
• media/filters/vp9_parser.h[diff]
• media/gpu/ipc/client/gpu_video_decode_accelerator_host.cc[diff]
• media/gpu/ipc/client/gpu_video_decode_accelerator_host.h[diff]
• media/gpu/ipc/service/gpu_video_decode_accelerator.cc[diff]
• media/gpu/ipc/service/gpu_video_decode_accelerator.h[diff]
• media/gpu/ipc/service/vda_video_decoder.cc[diff]
• media/gpu/ipc/service/vda_video_decoder.h[diff]
• media/gpu/test/video_player/test_vda_video_decoder.cc[diff]
• media/gpu/test/video_player/test_vda_video_decoder.h[diff]
• media/gpu/test/video_player/video_decoder_client.cc[diff]
• media/gpu/test/video_player/video_decoder_client.h[diff]
• media/learning/impl/distribution_reporter.cc[diff]
• media/learning/impl/distribution_reporter.h[diff]
• media/learning/impl/learning_session_impl.cc[diff]
• media/learning/impl/learning_session_impl.h[diff]
• media/midi/midi_manager_unittest.cc[diff]
• media/mojo/clients/mojo_cdm.cc[diff]
• media/mojo/clients/mojo_cdm.h[diff]
• media/mojo/clients/mojo_decryptor.cc[diff]
• media/mojo/clients/mojo_decryptor.h[diff]
• media/mojo/clients/mojo_demuxer_stream_impl.cc[diff]
• media/mojo/clients/mojo_demuxer_stream_impl.h[diff]
• media/mojo/clients/mojo_video_decoder.cc[diff]
• media/mojo/clients/mojo_video_decoder.h[diff]
• media/mojo/services/deferred_destroy_strong_binding_set.h[diff]
• media/mojo/services/media_resource_shim.cc[diff]
• media/mojo/services/media_resource_shim.h[diff]
• media/mojo/services/mojo_audio_decoder_service.cc[diff]
• media/mojo/services/mojo_audio_decoder_service.h[diff]
• media/mojo/services/mojo_audio_input_stream.cc[diff]
• media/mojo/services/mojo_audio_input_stream.h[diff]
• media/mojo/services/mojo_audio_output_stream.cc[diff]
• media/mojo/services/mojo_audio_output_stream.h[diff]
• media/mojo/services/mojo_cdm_allocator.cc[diff]
• media/mojo/services/mojo_cdm_allocator.h[diff]
• media/mojo/services/mojo_cdm_file_io.cc[diff]
• media/mojo/services/mojo_cdm_file_io.h[diff]
• media/mojo/services/mojo_cdm_helper.cc[diff]
• media/mojo/services/mojo_cdm_helper.h[diff]
• media/mojo/services/mojo_cdm_proxy.cc[diff]
• media/mojo/services/mojo_cdm_proxy.h[diff]
• media/mojo/services/mojo_cdm_proxy_service.cc[diff]
• media/mojo/services/mojo_cdm_proxy_service.h[diff]
• media/mojo/services/mojo_cdm_proxy_unittest.cc[diff]
• media/mojo/services/mojo_cdm_service.cc[diff]
• media/mojo/services/mojo_cdm_service.h[diff]
• media/mojo/services/mojo_decryptor_service.cc[diff]
• media/mojo/services/mojo_decryptor_service.h[diff]
• media/mojo/services/mojo_demuxer_stream_adapter.cc[diff]
• media/mojo/services/mojo_demuxer_stream_adapter.h[diff]
• media/mojo/services/mojo_media_log.cc[diff]
• media/mojo/services/mojo_media_log.h[diff]
• media/mojo/services/mojo_provision_fetcher.cc[diff]
• media/mojo/services/mojo_provision_fetcher.h[diff]
• media/mojo/services/mojo_renderer_service.cc[diff]
• media/mojo/services/mojo_renderer_service.h[diff]
• media/mojo/services/mojo_video_decoder_service.cc[diff]
• media/mojo/services/mojo_video_decoder_service.h[diff]
• media/mojo/services/mojo_video_encode_accelerator_service.cc[diff]
• media/mojo/services/mojo_video_encode_accelerator_service.h[diff]
• media/mojo/services/video_decode_perf_history.cc[diff]
• media/mojo/services/video_decode_perf_history.h[diff]
• media/remoting/courier_renderer.cc[diff]
• media/remoting/courier_renderer.h[diff]
• media/remoting/demuxer_stream_adapter.cc[diff]
• media/remoting/demuxer_stream_adapter.h[diff]
• media/remoting/demuxer_stream_adapter_unittest.cc[diff]
• media/remoting/end2end_test_renderer.cc[diff]
• media/remoting/end2end_test_renderer.h[diff]
• media/remoting/fake_remoter.cc[diff]
• media/remoting/fake_remoter.h[diff]
• media/remoting/receiver.cc[diff]
• media/remoting/receiver.h[diff]
• media/remoting/renderer_controller.cc[diff]
• media/remoting/renderer_controller.h[diff]
• media/remoting/rpc_broker.cc[diff]
• media/remoting/rpc_broker.h[diff]
• media/remoting/rpc_broker_unittest.cc[diff]
• media/remoting/stream_provider.cc[diff]
• media/remoting/stream_provider.h[diff]
• media/renderers/audio_renderer_impl.cc[diff]
• media/renderers/audio_renderer_impl.h[diff]
• media/renderers/decrypting_renderer.cc[diff]
• media/renderers/decrypting_renderer.h[diff]
• media/renderers/renderer_impl.cc[diff]
• media/renderers/renderer_impl.h[diff]
• media/renderers/video_renderer_impl.cc[diff]
• media/renderers/video_renderer_impl.h[diff]
• media/renderers/video_resource_updater.cc[diff]
• media/renderers/video_resource_updater.h[diff]
• media/video/fake_video_encode_accelerator.cc[diff]
• media/video/fake_video_encode_accelerator.h[diff]