Revert of Split iOS sdk in to separate targets

webrtc/sdk/objc/Framework/Classes/Video/RTCShader.h

Index: webrtc/sdk/objc/Framework/Classes/Video/RTCShader.h
diff --git a/webrtc/sdk/objc/Framework/Classes/Video/RTCShader.h b/webrtc/sdk/objc/Framework/Classes/Video/RTCShader.h
deleted file mode 100644
index c35a528b445537b711a8570c358295320a8002de..0000000000000000000000000000000000000000
--- a/webrtc/sdk/objc/Framework/Classes/Video/RTCShader.h
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- *  Copyright 2016 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 <Foundation/Foundation.h>
-
-#import "RTCOpenGLDefines.h"
-
-@class RTCVideoFrame;
-
-@protocol RTCShader <NSObject>
-
-- (BOOL)drawFrame:(RTCVideoFrame *)frame;
-
-@end
-
-// Shader for non-native I420 frames.
-@interface RTCI420Shader : NSObject <RTCShader>
-
-- (instancetype)init NS_UNAVAILABLE;
-- (instancetype)initWithContext:(GlContextType *)context NS_DESIGNATED_INITIALIZER;
-- (BOOL)drawFrame:(RTCVideoFrame *)frame;
-
-@end
-
-// Native CVPixelBufferRef rendering is only supported on iPhone because it
-// depends on CVOpenGLESTextureCacheCreate.
-#if TARGET_OS_IPHONE
-
-// Shader for native NV12 frames.
-@interface RTCNativeNV12Shader : NSObject <RTCShader>
-
-- (instancetype)init NS_UNAVAILABLE;
-- (instancetype)initWithContext:(GlContextType *)context NS_DESIGNATED_INITIALIZER;
-- (BOOL)drawFrame:(RTCVideoFrame *)frame;
-
-@end
-
-#endif  // TARGET_OS_IPHONE