iOS: Move AppRTC logging methods to public headers.

talk/examples/objc/AppRTCDemo/ios/ARDVideoCallViewController.m

 /*
  * libjingle
  * Copyright 2015 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  *  1. Redistributions of source code must retain the above copyright notice,
  *     this list of conditions and the following disclaimer.
  *  2. Redistributions in binary form must reproduce the above copyright notice,
@@ skipping 10 matching lines @@
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #import "ARDVideoCallViewController.h"
 
 #import "RTCAVFoundationVideoSource.h"
+#import "RTCLogging.h"
 
 #import "ARDAppClient.h"
-#import "ARDLogging.h"
 #import "ARDVideoCallView.h"
 
 @interface ARDVideoCallViewController () <ARDAppClientDelegate,
     ARDVideoCallViewDelegate>
 @property(nonatomic, strong) RTCVideoTrack *localVideoTrack;
 @property(nonatomic, strong) RTCVideoTrack *remoteVideoTrack;
 @property(nonatomic, readonly) ARDVideoCallView *videoCallView;
 @end
 
 @implementation ARDVideoCallViewController {
@@ skipping 19 matching lines @@
       [self statusTextForState:RTCICEConnectionNew];
   self.view = _videoCallView;
 }
 
 #pragma mark - ARDAppClientDelegate
 
 - (void)appClient:(ARDAppClient *)client
     didChangeState:(ARDAppClientState)state {
   switch (state) {
     case kARDAppClientStateConnected:
-      ARDLog(@"Client connected.");
+      RTCLog(@"Client connected.");
       break;
     case kARDAppClientStateConnecting:
-      ARDLog(@"Client connecting.");
+      RTCLog(@"Client connecting.");
       break;
     case kARDAppClientStateDisconnected:
-      ARDLog(@"Client disconnected.");
+      RTCLog(@"Client disconnected.");
       [self hangup];
       break;
   }
 }
 
 - (void)appClient:(ARDAppClient *)client
     didChangeConnectionState:(RTCICEConnectionState)state {
-  ARDLog(@"ICE state changed: %d", state);
+  RTCLog(@"ICE state changed: %d", state);
   __weak ARDVideoCallViewController *weakSelf = self;
   dispatch_async(dispatch_get_main_queue(), ^{
     ARDVideoCallViewController *strongSelf = weakSelf;
     strongSelf.videoCallView.statusLabel.text =
         [strongSelf statusTextForState:state];
   });
 }
 
 - (void)appClient:(ARDAppClient *)client
     didReceiveLocalVideoTrack:(RTCVideoTrack *)localVideoTrack {
@@ skipping 87 matching lines @@
 - (void)showAlertWithMessage:(NSString*)message {
   UIAlertView* alertView = [[UIAlertView alloc] initWithTitle:nil
                                                       message:message
                                                      delegate:nil
                                             cancelButtonTitle:@"OK"
                                             otherButtonTitles:nil];
   [alertView show];
 }
 
 @end