Move RTCVideoSource to webrtc/api/objc.

webrtc/api/objc/RTCVideoSource.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 <Foundation/Foundation.h>
+#import "RTCVideoSource.h"
 
-#include <string>
+#import "webrtc/api/objc/RTCMediaSource+Private.h"
+#import "webrtc/api/objc/RTCVideoSource+Private.h"
 
-NS_ASSUME_NONNULL_BEGIN
+@implementation RTCVideoSource
 
-@interface NSString (StdString)
+#pragma mark - Private
 
-@property(nonatomic, readonly) std::string stdString;
-
-+ (std::string)stdStringForString:(NSString *)nsString;
-+ (NSString *)stringForStdString:(const std::string&)stdString;
+- (rtc::scoped_refptr<webrtc::VideoSourceInterface>)nativeVideoSource {
+  return

[tkchin_webrtc, 2016/01/11 21:32:34]

nit: use a local var and return that instead to avoid weird indentation

[hjon, 2016/01/11 22:45:08]

Done.

+      static_cast<webrtc::VideoSourceInterface *>(self.nativeMediaSource.get());
+}
 
 @end
-
-NS_ASSUME_NONNULL_END