Reland "Remove web_rtc_video_encoder_factory.h from the Blink API"

This is a reland of c96f561e

This CL has no changes compared to the original one. The error was on CL
https://crrev.com/c/1778671 (already relanded in https://crrev.com/c/1782514).

Original change's description:
> Remove web_rtc_video_encoder_factory.h from the Blink API
>
> ... now that its solely client has been Onion soup'ed [1].
>
> [1] https://crrev.com/c/1778673/
>
> BUG=787254
> R=guidou@chromium.org, haraken@chromium.org
>
> Change-Id: Iec6d37197e2899f3381029b0e9b628c8d927722b
> Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1778674
> Commit-Queue: Antonio Gomes <tonikitoo@igalia.com>
> Reviewed-by: Kentaro Hara <haraken@chromium.org>
> Reviewed-by: Guido Urdaneta <guidou@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#692769}

TBR=guidou@chromium.org

Bug: 787254
Change-Id: I70c21c22fac29972fe122ff21ee7c430f89b5acf
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1783166Reviewed-by: Antonio Gomes <tonikitoo@igalia.com>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Antonio Gomes <tonikitoo@igalia.com>
Cr-Commit-Position: refs/heads/master@{#693085}

third_party/blink/public/BUILD.gn

@@ -162,7 +162,6 @@ source_set("blink_headers") {
     "platform/modules/peerconnection/rtc_video_decoder_factory.h",
     "platform/modules/peerconnection/rtc_video_encoder_factory.h",
     "platform/modules/peerconnection/two_keys_adapter_map.h",
-    "platform/modules/peerconnection/web_rtc_video_encoder_factory.h",
     "platform/modules/peerconnection/webrtc_audio_sink.h",
     "platform/modules/peerconnection/webrtc_util.h",
     "platform/modules/peerconnection/webrtc_video_track_source.h",

third_party/blink/public/platform/modules/peerconnection/web_rtc_video_encoder_factory.h

-// Copyright 2019 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.
-
-#ifndef THIRD_PARTY_BLINK_PUBLIC_PLATFORM_MODULES_PEERCONNECTION_WEB_RTC_VIDEO_ENCODER_FACTORY_H_
-#define THIRD_PARTY_BLINK_PUBLIC_PLATFORM_MODULES_PEERCONNECTION_WEB_RTC_VIDEO_ENCODER_FACTORY_H_
-
-#include <memory>
-
-#include "media/base/video_codecs.h"
-#include "third_party/blink/public/platform/web_common.h"
-
-namespace webrtc {
-class VideoEncoder;
-}
-
-namespace media {
-class GpuVideoAcceleratorFactories;
-}
-
-namespace blink {
-
-// TODO(crbug.com/787254): Remove this API when its clients are Onion souped.
-BLINK_PLATFORM_EXPORT std::unique_ptr<webrtc::VideoEncoder>
-CreateRTCVideoEncoder(media::VideoCodecProfile profile,
-                      media::GpuVideoAcceleratorFactories* gpu_factories);
-
-}  // namespace blink
-
-#endif  // THIRD_PARTY_BLINK_PUBLIC_PLATFORM_MODULES_PEERCONNECTION_WEB_RTC_VIDEO_ENCODER_FACTORY_H_

third_party/blink/renderer/platform/peerconnection/rtc_video_encoder.cc

@@ -29,7 +29,6 @@
 #include "media/video/h264_parser.h"
 #include "media/video/video_encode_accelerator.h"
 #include "mojo/public/cpp/base/shared_memory_utils.h"
-#include "third_party/blink/public/platform/modules/peerconnection/web_rtc_video_encoder_factory.h"
 #include "third_party/blink/renderer/platform/scheduler/public/post_cross_thread_task.h"
 #include "third_party/blink/renderer/platform/webrtc/webrtc_video_frame_adapter.h"
 #include "third_party/blink/renderer/platform/wtf/cross_thread_functional.h"
@@ -884,12 +883,6 @@ void RTCVideoEncoder::Impl::ReturnEncodedImage(
   UseOutputBitstreamBufferId(bitstream_buffer_id);
 }
 
-std::unique_ptr<webrtc::VideoEncoder> CreateRTCVideoEncoder(
-    media::VideoCodecProfile profile,
-    media::GpuVideoAcceleratorFactories* gpu_factories) {
-  return std::make_unique<RTCVideoEncoder>(profile, gpu_factories);
-}
-
 RTCVideoEncoder::RTCVideoEncoder(
     media::VideoCodecProfile profile,
     media::GpuVideoAcceleratorFactories* gpu_factories)

third_party/blink/renderer/platform/peerconnection/rtc_video_encoder_factory.cc

@@ -11,7 +11,7 @@
 #include "media/media_buildflags.h"
 #include "media/video/gpu_video_accelerator_factories.h"
 #include "third_party/blink/public/common/features.h"
-#include "third_party/blink/public/platform/modules/peerconnection/web_rtc_video_encoder_factory.h"
+#include "third_party/blink/renderer/platform/peerconnection/rtc_video_encoder.h"
 #include "third_party/webrtc/api/video_codecs/sdp_video_format.h"
 #include "third_party/webrtc/api/video_codecs/video_encoder.h"
 #include "third_party/webrtc/common_video/h264/profile_level_id.h"
@@ -124,7 +124,7 @@ RTCVideoEncoderFactory::CreateVideoEncoder(
     const webrtc::SdpVideoFormat& format) {
   for (size_t i = 0; i < supported_formats_.size(); ++i) {
     if (IsSameFormat(format, supported_formats_[i])) {
-      return blink::CreateRTCVideoEncoder(profiles_[i], gpu_factories_);
+      return std::make_unique<RTCVideoEncoder>(profiles_[i], gpu_factories_);
     }
   }
   return nullptr;