Revert of Rename AppRTCDemo on Android and iOS to AppRTCMobile

webrtc/examples/objc/AppRTCDemo/ARDSignalingMessage.h

Index: webrtc/examples/objc/AppRTCDemo/ARDSignalingMessage.h
diff --git a/webrtc/examples/objc/AppRTCDemo/ARDSignalingMessage.h b/webrtc/examples/objc/AppRTCDemo/ARDSignalingMessage.h
new file mode 100644
index 0000000000000000000000000000000000000000..e60517282b9c925433fad983ad5250446b8fe516
--- /dev/null
+++ b/webrtc/examples/objc/AppRTCDemo/ARDSignalingMessage.h
@@ -0,0 +1,59 @@
+/*
+ *  Copyright 2014 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 "WebRTC/RTCIceCandidate.h"
+#import "WebRTC/RTCSessionDescription.h"
+
+typedef enum {
+  kARDSignalingMessageTypeCandidate,
+  kARDSignalingMessageTypeCandidateRemoval,
+  kARDSignalingMessageTypeOffer,
+  kARDSignalingMessageTypeAnswer,
+  kARDSignalingMessageTypeBye,
+} ARDSignalingMessageType;
+
+@interface ARDSignalingMessage : NSObject
+
+@property(nonatomic, readonly) ARDSignalingMessageType type;
+
++ (ARDSignalingMessage *)messageFromJSONString:(NSString *)jsonString;
+- (NSData *)JSONData;
+
+@end
+
+@interface ARDICECandidateMessage : ARDSignalingMessage
+
+@property(nonatomic, readonly) RTCIceCandidate *candidate;
+
+- (instancetype)initWithCandidate:(RTCIceCandidate *)candidate;
+
+@end
+
+@interface ARDICECandidateRemovalMessage : ARDSignalingMessage
+
+@property(nonatomic, readonly) NSArray<RTCIceCandidate *> *candidates;
+
+- (instancetype)initWithRemovedCandidates:
+    (NSArray<RTCIceCandidate *> *)candidates;
+
+@end
+
+@interface ARDSessionDescriptionMessage : ARDSignalingMessage
+
+@property(nonatomic, readonly) RTCSessionDescription *sessionDescription;
+
+- (instancetype)initWithDescription:(RTCSessionDescription *)description;
+
+@end
+
+@interface ARDByeMessage : ARDSignalingMessage
+@end