Remove the |max_threads| argument from CreateAndSetSimpleTaskScheduler().

remoting/client/ios/app_runtime.cc

Index: remoting/client/ios/app_runtime.cc
diff --git a/remoting/client/ios/app_runtime.cc b/remoting/client/ios/app_runtime.cc
index b5fa390baaff6100d53bfb6743de8a85351fa6b9..ce576d7ef4a0020d9b06b649a2f68989885f013c 100644
--- a/remoting/client/ios/app_runtime.cc
+++ b/remoting/client/ios/app_runtime.cc
@@ -29,11 +29,9 @@ namespace remoting {
 namespace ios {
 
 AppRuntime::AppRuntime() {
-  // TODO(sergeyu): Consider adding separate pools for different task classes.
-  const int kMaxBackgroundThreads = 5;
   if (!base::TaskScheduler::GetInstance()) {
     // Make sure TaskScheduler is initialized.
-    base::TaskScheduler::CreateAndSetSimpleTaskScheduler(kMaxBackgroundThreads);
+    base::TaskScheduler::CreateAndSetSimpleTaskScheduler("RemotingIos");
   }
 
   // TODO(sergeyu): AppRuntime is not singleton, but it owns MessageLoop for the