Mark public ObjC APIs as explicitly visible.
BUG=
Review URL: https://codereview.webrtc.org/1899573002
Cr-Commit-Position: refs/heads/master@{#12431}
diff --git a/webrtc/base/objc/RTCCameraPreviewView.h b/webrtc/base/objc/RTCCameraPreviewView.h
index 03e94c2..9fa4cd6 100644
--- a/webrtc/base/objc/RTCCameraPreviewView.h
+++ b/webrtc/base/objc/RTCCameraPreviewView.h
@@ -11,12 +11,15 @@
#import <Foundation/Foundation.h>
#import <UIKit/UIKit.h>
+#import "webrtc/base/objc/RTCMacros.h"
+
@class AVCaptureSession;
@class RTCAVFoundationVideoSource;
/** RTCCameraPreviewView is a view that renders local video from an
* AVCaptureSession.
*/
+RTC_EXPORT
@interface RTCCameraPreviewView : UIView
/** The capture session being rendered in the view. Capture session