Move RTCVideoSource to webrtc/api/objc.

webrtc/api/objc/RTCVideoSource.mm

Index: webrtc/api/objc/RTCVideoSource.mm
diff --git a/webrtc/base/objc/NSString+StdString.h b/webrtc/api/objc/RTCVideoSource.mm
similarity index 54%
copy from webrtc/base/objc/NSString+StdString.h
copy to webrtc/api/objc/RTCVideoSource.mm
index 8bf6cc94be0346e398ab1a980af6378f06ccb7a5..0e11d0e0131f2eb111584b44647cc01d50902dfb 100644
--- a/webrtc/base/objc/NSString+StdString.h
+++ b/webrtc/api/objc/RTCVideoSource.mm
@@ -8,19 +8,18 @@
  *  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