Move Objective-C video renderers to webrtc/api/objc.

webrtc/api/objc/RTCVideoRenderer.h

Index: webrtc/api/objc/RTCVideoRenderer.h
diff --git a/webrtc/base/objc/NSString+StdString.h b/webrtc/api/objc/RTCVideoRenderer.h
similarity index 67%
copy from webrtc/base/objc/NSString+StdString.h
copy to webrtc/api/objc/RTCVideoRenderer.h
index 532032b3fca66977290d612f1e998c205cceef00..bd423873e6ab86ec26bf4a5617d1d338102bbe33 100644
--- a/webrtc/base/objc/NSString+StdString.h
+++ b/webrtc/api/objc/RTCVideoRenderer.h
@@ -9,16 +9,21 @@
  */
 
 #import <Foundation/Foundation.h>
-
-#include <string>
+#if TARGET_OS_IPHONE
+#import <UIKit/UIKit.h>
+#endif
 
 NS_ASSUME_NONNULL_BEGIN
 
-@interface NSString (StdString)
+@class RTCI420Frame;
+
+@protocol RTCVideoRenderer<NSObject>

[tkchin_webrtc, 2015/12/21 12:57:50]

space before <

[hjon, 2015/12/21 20:01:44]

Done.

 
-@property(nonatomic, readonly) std::string stdString;
+/** The size of the frame. */
+- (void)setSize:(CGSize)size;
 
-+ (std::string)stdStringForString:(NSString *)nsString;
+/** The frame to be displayed. */
+- (void)renderFrame:(RTCI420Frame *)frame;
 
 @end