Revert of Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/PeerConnection/RTCAVFoundationVideoSource.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 "RTCAVFoundationVideoSource+Private.h"
-
-#import "RTCMediaConstraints+Private.h"
-#import "RTCPeerConnectionFactory+Private.h"
-#import "RTCVideoSource+Private.h"
-
-@implementation RTCAVFoundationVideoSource {
-  webrtc::AVFoundationVideoCapturer *_capturer;
-}
-
-- (instancetype)initWithFactory:(RTCPeerConnectionFactory *)factory
-                    constraints:(RTCMediaConstraints *)constraints {
-  NSParameterAssert(factory);
-  // We pass ownership of the capturer to the source, but since we own
-  // the source, it should be ok to keep a raw pointer to the
-  // capturer.
-  _capturer = new webrtc::AVFoundationVideoCapturer();
-  rtc::scoped_refptr<webrtc::VideoTrackSourceInterface> source =
-      factory.nativeFactory->CreateVideoSource(
-          std::unique_ptr<cricket::VideoCapturer>(_capturer),
-          constraints.nativeConstraints.get());
-
-  return [super initWithNativeVideoSource:source];
-}
-
-- (void)adaptOutputFormatToWidth:(int)width
-                          height:(int)height
-                             fps:(int)fps {
-  self.capturer->AdaptOutputFormat(width, height, fps);
-}
-
-- (BOOL)canUseBackCamera {
-  return self.capturer->CanUseBackCamera();
-}
-
-- (BOOL)useBackCamera {
-  return self.capturer->GetUseBackCamera();
-}
-
-- (void)setUseBackCamera:(BOOL)useBackCamera {
-  self.capturer->SetUseBackCamera(useBackCamera);
-}
-
-- (AVCaptureSession *)captureSession {
-  return self.capturer->GetCaptureSession();
-}
-
-- (webrtc::AVFoundationVideoCapturer *)capturer {
-  return _capturer;
-}
-
-@end