Tweaks for new Objective-C API.

webrtc/api/objc/RTCVideoFrame.h

Index: webrtc/api/objc/RTCVideoFrame.h
diff --git a/webrtc/api/objc/RTCVideoFrame.h b/webrtc/api/objc/RTCVideoFrame.h
index c71029051a76efc6eac0fa990d1736523bf4bc34..d3b188e28e63fe52477f1e33e3c924899c826305 100644
--- a/webrtc/api/objc/RTCVideoFrame.h
+++ b/webrtc/api/objc/RTCVideoFrame.h
@@ -16,20 +16,20 @@ NS_ASSUME_NONNULL_BEGIN
 @interface RTCVideoFrame : NSObject
 
 /** Width without rotation applied. */
-@property(nonatomic, readonly) size_t width;
+@property(nonatomic, assign, readonly) size_t width;

[tkchin_webrtc, 2016/02/26 00:45:25]

ditto no assign + readonly

 
 /** Height without rotation applied. */
-@property(nonatomic, readonly) size_t height;
-@property(nonatomic, readonly) size_t chromaWidth;
-@property(nonatomic, readonly) size_t chromaHeight;
-@property(nonatomic, readonly) size_t chromaSize;
+@property(nonatomic, assign, readonly) size_t height;
+@property(nonatomic, assign, readonly) size_t chromaWidth;
+@property(nonatomic, assign, readonly) size_t chromaHeight;
+@property(nonatomic, assign, readonly) size_t chromaSize;
 // These can return NULL if the object is not backed by a buffer.
 @property(nonatomic, readonly, nullable) const uint8_t *yPlane;
 @property(nonatomic, readonly, nullable) const uint8_t *uPlane;
 @property(nonatomic, readonly, nullable) const uint8_t *vPlane;
-@property(nonatomic, readonly) int32_t yPitch;
-@property(nonatomic, readonly) int32_t uPitch;
-@property(nonatomic, readonly) int32_t vPitch;
+@property(nonatomic, assign, readonly) int32_t yPitch;
+@property(nonatomic, assign, readonly) int32_t uPitch;
+@property(nonatomic, assign, readonly) int32_t vPitch;
 
 - (nonnull instancetype)init NS_UNAVAILABLE;