Moves most service interfaces, ensure IOHelper is registered

src/Umbraco.Core/Runtime/CoreRuntime.cs

@@ -42,6 +42,11 @@ namespace Umbraco.Core.Runtime
         /// </summary>
         protected IProfilingLogger ProfilingLogger { get; private set; }
 
+        /// <summary>
+        /// Gets the <see cref="IIOHelper"/>
+        /// </summary>
+        protected IIOHelper IOHelper { get; private set; }
+
         /// <inheritdoc />
         public IRuntimeState State => _state;
 
@@ -56,6 +61,10 @@ namespace Umbraco.Core.Runtime
             var profiler = Profiler = GetProfiler();
             var profilingLogger = ProfilingLogger = new ProfilingLogger(logger, profiler);
 
+            IOHelper = GetIOHelper();
+            if (IOHelper == null)
+                throw new InvalidOperationException($"The object returned from {nameof(GetIOHelper)} cannot be null");
+
             // the boot loader boots using a container scope, so anything that is PerScope will
             // be disposed after the boot loader has booted, and anything else will remain.
             // note that this REQUIRES that perWebRequestScope has NOT been enabled yet, else
@@ -130,7 +139,7 @@ namespace Umbraco.Core.Runtime
 
                 // create the composition
                 composition = new Composition(register, typeLoader, ProfilingLogger, _state, configs);
-                composition.RegisterEssentials(Logger, Profiler, ProfilingLogger, mainDom, appCaches, databaseFactory, typeLoader, _state);
+                composition.RegisterEssentials(Logger, Profiler, ProfilingLogger, mainDom, appCaches, databaseFactory, typeLoader, _state, IOHelper);
 
                 // run handlers
                 RuntimeOptions.DoRuntimeEssentials(composition, appCaches, typeLoader, databaseFactory);
@@ -313,6 +322,13 @@ namespace Umbraco.Core.Runtime
         protected virtual IProfiler GetProfiler()
             => new LogProfiler(Logger);
 
+        /// <summary>
+        /// Gets a <see cref="IIOHelper"/>
+        /// </summary>
+        /// <returns></returns>
+        protected virtual IIOHelper GetIOHelper()
+            => new Umbraco.Core.IO.IOHelper();
+
         /// <summary>
         /// Gets the application caches.
         /// </summary>