Explicitly @synthesize ObjC @properties

This is required after https://code.google.com/p/gyp/source/detail?r=1768
turned on -Wobjc-missing-property-synthesis for ninja builds (until then it
was only enabled for xcode builds) to allow chromium_deps to roll in
webrtc/DEPS.

BUG=2560
R=kjellander@webrtc.org

Review URL: https://webrtc-codereview.appspot.com/3089004

git-svn-id: http://webrtc.googlecode.com/svn/trunk@5047 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/examples/ios/AppRTCDemo/GAEChannelClient.m b/talk/examples/ios/AppRTCDemo/GAEChannelClient.m
index 9126f67..e0d9a80 100644
--- a/talk/examples/ios/AppRTCDemo/GAEChannelClient.m
+++ b/talk/examples/ios/AppRTCDemo/GAEChannelClient.m
@@ -38,6 +38,9 @@
 
 @implementation GAEChannelClient
 
+@synthesize delegate = _delegate;
+@synthesize webView = _webView;
+
 - (id)initWithToken:(NSString *)token delegate:(id<GAEMessageHandler>)delegate {
   self = [super init];
   if (self) {