Revert of Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCVideoRendererAdapter.mm

-/*
- *  Copyright 2015 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#import "RTCVideoRendererAdapter+Private.h"
-
-#import "RTCVideoFrame+Private.h"
-
-#include <memory>
-
-namespace webrtc {
-
-class VideoRendererAdapter
-    : public rtc::VideoSinkInterface<webrtc::VideoFrame> {
- public:
-  VideoRendererAdapter(RTCVideoRendererAdapter* adapter) {
-    adapter_ = adapter;
-    size_ = CGSizeZero;
-  }
-
-  void OnFrame(const webrtc::VideoFrame& nativeVideoFrame) override {
-    RTCVideoFrame* videoFrame = [[RTCVideoFrame alloc]
-        initWithVideoBuffer:nativeVideoFrame.video_frame_buffer()
-                   rotation:static_cast<RTCVideoRotation>(
-                                nativeVideoFrame.rotation())
-                timeStampNs:nativeVideoFrame.timestamp_us() *
-                            rtc::kNumNanosecsPerMicrosec];
-    CGSize current_size = (videoFrame.rotation % 180 == 0)
-                              ? CGSizeMake(videoFrame.width, videoFrame.height)
-                              : CGSizeMake(videoFrame.height, videoFrame.width);
-
-    if (!CGSizeEqualToSize(size_, current_size)) {
-      size_ = current_size;
-      [adapter_.videoRenderer setSize:size_];
-    }
-    [adapter_.videoRenderer renderFrame:videoFrame];
-  }
-
- private:
-  __weak RTCVideoRendererAdapter *adapter_;
-  CGSize size_;
-};
-}
-
-@implementation RTCVideoRendererAdapter {
-  std::unique_ptr<webrtc::VideoRendererAdapter> _adapter;
-}
-
-@synthesize videoRenderer = _videoRenderer;
-
-- (instancetype)initWithNativeRenderer:(id<RTCVideoRenderer>)videoRenderer {
-  NSParameterAssert(videoRenderer);
-  if (self = [super init]) {
-    _videoRenderer = videoRenderer;
-    _adapter.reset(new webrtc::VideoRendererAdapter(self));
-  }
-  return self;
-}
-
-- (rtc::VideoSinkInterface<webrtc::VideoFrame> *)nativeVideoRenderer {
-  return _adapter.get();
-}
-
-@end