iOS: Move AppRTC logging methods to public headers.

talk/examples/objc/AppRTCDemo/ARDWebSocketChannel.m

Index: talk/examples/objc/AppRTCDemo/ARDWebSocketChannel.m
diff --git a/talk/examples/objc/AppRTCDemo/ARDWebSocketChannel.m b/talk/examples/objc/AppRTCDemo/ARDWebSocketChannel.m
index f25e9d08bbf5fe565e56047fc06af5f122e89215..a089ff870705ed0f778ed763d441a9e174f62bad 100644
--- a/talk/examples/objc/AppRTCDemo/ARDWebSocketChannel.m
+++ b/talk/examples/objc/AppRTCDemo/ARDWebSocketChannel.m
@@ -27,10 +27,11 @@
 
 #import "ARDWebSocketChannel.h"
 
-#import "ARDLogging.h"
-#import "ARDUtilities.h"
+#import "RTCLogging.h"
 #import "SRWebSocket.h"
 
+#import "ARDUtilities.h"
+
 // TODO(tkchin): move these to a configuration object.
 static NSString const *kARDWSSMessageErrorKey = @"error";
 static NSString const *kARDWSSMessagePayloadKey = @"msg";
@@ -58,7 +59,7 @@ static NSString const *kARDWSSMessagePayloadKey = @"msg";
     _delegate = delegate;
     _socket = [[SRWebSocket alloc] initWithURL:url];
     _socket.delegate = self;
-    ARDLog(@"Opening WebSocket.");
+    RTCLog(@"Opening WebSocket.");
     [_socket open];
   }
   return self;
@@ -105,12 +106,12 @@ static NSString const *kARDWSSMessagePayloadKey = @"msg";
     NSString *messageString =
         [[NSString alloc] initWithData:messageJSONObject
                               encoding:NSUTF8StringEncoding];
-    ARDLog(@"C->WSS: %@", messageString);
+    RTCLog(@"C->WSS: %@", messageString);
     [_socket send:messageString];
   } else {
     NSString *dataString =
         [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
-    ARDLog(@"C->WSS POST: %@", dataString);
+    RTCLog(@"C->WSS POST: %@", dataString);
     NSString *urlString =
         [NSString stringWithFormat:@"%@/%@/%@",
             [_restURL absoluteString], _roomId, _clientId];
@@ -127,7 +128,7 @@ static NSString const *kARDWSSMessagePayloadKey = @"msg";
     return;
   }
   [_socket close];
-  ARDLog(@"C->WSS DELETE rid:%@ cid:%@", _roomId, _clientId);
+  RTCLog(@"C->WSS DELETE rid:%@ cid:%@", _roomId, _clientId);
   NSString *urlString =
       [NSString stringWithFormat:@"%@/%@/%@",
           [_restURL absoluteString], _roomId, _clientId];
@@ -141,7 +142,7 @@ static NSString const *kARDWSSMessagePayloadKey = @"msg";
 #pragma mark - SRWebSocketDelegate
 
 - (void)webSocketDidOpen:(SRWebSocket *)webSocket {
-  ARDLog(@"WebSocket connection opened.");
+  RTCLog(@"WebSocket connection opened.");
   self.state = kARDSignalingChannelStateOpen;
   if (_roomId.length && _clientId.length) {
     [self registerWithCollider];
@@ -155,24 +156,24 @@ static NSString const *kARDWSSMessagePayloadKey = @"msg";
                                                   options:0
                                                     error:nil];
   if (![jsonObject isKindOfClass:[NSDictionary class]]) {
-    ARDLog(@"Unexpected message: %@", jsonObject);
+    RTCLogError(@"Unexpected message: %@", jsonObject);
     return;
   }
   NSDictionary *wssMessage = jsonObject;
   NSString *errorString = wssMessage[kARDWSSMessageErrorKey];
   if (errorString.length) {
-    ARDLog(@"WSS error: %@", errorString);
+    RTCLogError(@"WSS error: %@", errorString);
     return;
   }
   NSString *payload = wssMessage[kARDWSSMessagePayloadKey];
   ARDSignalingMessage *signalingMessage =
       [ARDSignalingMessage messageFromJSONString:payload];
-  ARDLog(@"WSS->C: %@", payload);
+  RTCLog(@"WSS->C: %@", payload);
   [_delegate channel:self didReceiveMessage:signalingMessage];
 }
 
 - (void)webSocket:(SRWebSocket *)webSocket didFailWithError:(NSError *)error {
-  ARDLog(@"WebSocket error: %@", error);
+  RTCLogError(@"WebSocket error: %@", error);
   self.state = kARDSignalingChannelStateError;
 }
 
@@ -180,7 +181,7 @@ static NSString const *kARDWSSMessagePayloadKey = @"msg";
     didCloseWithCode:(NSInteger)code
               reason:(NSString *)reason
             wasClean:(BOOL)wasClean {
-  ARDLog(@"WebSocket closed with code: %ld reason:%@ wasClean:%d",
+  RTCLog(@"WebSocket closed with code: %ld reason:%@ wasClean:%d",
       (long)code, reason, wasClean);
   NSParameterAssert(_state != kARDSignalingChannelStateError);
   self.state = kARDSignalingChannelStateClosed;
@@ -205,7 +206,7 @@ static NSString const *kARDWSSMessagePayloadKey = @"msg";
                                         error:nil];
   NSString *messageString =
       [[NSString alloc] initWithData:message encoding:NSUTF8StringEncoding];
-  ARDLog(@"Registering on WSS for rid:%@ cid:%@", _roomId, _clientId);
+  RTCLog(@"Registering on WSS for rid:%@ cid:%@", _roomId, _clientId);
   // Registration can fail if server rejects it. For example, if the room is
   // full.
   [_socket send:messageString];