add httpClient to appropriate constructors

MediaBrowser.Api/Playback/BaseStreamingService.cs

@@ -71,7 +71,7 @@ namespace MediaBrowser.Api.Playback
         protected IMediaSourceManager MediaSourceManager { get; private set; }
         protected IJsonSerializer JsonSerializer { get; private set; }
 
-        public static IHttpClient HttpClient;
+        public static IHttpClient HttpClient { get; private set; }
         protected IAuthorizationContext AuthorizationContext { get; private set; }
 
         protected EncodingHelper EncodingHelper { get; set; }
@@ -80,6 +80,7 @@ namespace MediaBrowser.Api.Playback
         /// Initializes a new instance of the <see cref="BaseStreamingService" /> class.
         /// </summary>
         protected BaseStreamingService(
+            IHttpClient httpClient,
             IServerConfigurationManager serverConfig,
             IUserManager userManager,
             ILibraryManager libraryManager,
@@ -93,6 +94,7 @@ namespace MediaBrowser.Api.Playback
             IJsonSerializer jsonSerializer,
             IAuthorizationContext authorizationContext)
         {
+            HttpClient = httpClient;
             ServerConfigurationManager = serverConfig;
             UserManager = userManager;
             LibraryManager = libraryManager;

MediaBrowser.Api/Playback/Progressive/AudioService.cs

@@ -1,4 +1,5 @@
 using System.Threading.Tasks;
+using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Devices;
 using MediaBrowser.Controller.Dlna;
@@ -33,6 +34,7 @@ namespace MediaBrowser.Api.Playback.Progressive
     public class AudioService : BaseProgressiveStreamingService
     {
         public AudioService(
+            IHttpClient httpClient,
             IServerConfigurationManager serverConfig,
             IUserManager userManager,
             ILibraryManager libraryManager,
@@ -46,7 +48,8 @@ namespace MediaBrowser.Api.Playback.Progressive
             IJsonSerializer jsonSerializer,
             IAuthorizationContext authorizationContext,
             IEnvironmentInfo environmentInfo)
-                : base(serverConfig,
+                : base(httpClient,
+                    serverConfig,
                     userManager,
                     libraryManager,
                     isoManager,

MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs

@@ -28,6 +28,7 @@ namespace MediaBrowser.Api.Playback.Progressive
         protected readonly IEnvironmentInfo EnvironmentInfo;
 
         public BaseProgressiveStreamingService(
+            IHttpClient httpClient,
             IServerConfigurationManager serverConfig,
             IUserManager userManager,
             ILibraryManager libraryManager,
@@ -41,7 +42,8 @@ namespace MediaBrowser.Api.Playback.Progressive
             IJsonSerializer jsonSerializer,
             IAuthorizationContext authorizationContext,
             IEnvironmentInfo environmentInfo)
-            : base(serverConfig,
+            : base(httpClient,
+                serverConfig,
                 userManager,
                 libraryManager,
                 isoManager,

MediaBrowser.Api/Playback/Progressive/VideoService.cs

@@ -1,4 +1,5 @@
 using System.Threading.Tasks;
+using MediaBrowser.Common.Net;
 using MediaBrowser.Controller.Configuration;
 using MediaBrowser.Controller.Devices;
 using MediaBrowser.Controller.Dlna;
@@ -69,6 +70,7 @@ namespace MediaBrowser.Api.Playback.Progressive
     public class VideoService : BaseProgressiveStreamingService
     {
         public VideoService(
+            IHttpClient httpClient,
             IServerConfigurationManager serverConfig,
             IUserManager userManager,
             ILibraryManager libraryManager,
@@ -82,7 +84,8 @@ namespace MediaBrowser.Api.Playback.Progressive
             IJsonSerializer jsonSerializer,
             IAuthorizationContext authorizationContext,
             IEnvironmentInfo environmentInfo)
-            : base(serverConfig,
+            : base(httpClient,
+                serverConfig,
                 userManager,
                 libraryManager,
                 isoManager,

MediaBrowser.Api/Playback/UniversalAudioService.cs

@@ -77,6 +77,7 @@ namespace MediaBrowser.Api.Playback
     public class UniversalAudioService : BaseApiService
     {
         public UniversalAudioService(
+            IHttpClient httpClient,
             IServerConfigurationManager serverConfigurationManager,
             IUserManager userManager,
             ILibraryManager libraryManager,
@@ -95,6 +96,7 @@ namespace MediaBrowser.Api.Playback
             IEnvironmentInfo environmentInfo,
             ILoggerFactory loggerFactory)
         {
+            HttpClient = httpClient;
             ServerConfigurationManager = serverConfigurationManager;
             UserManager = userManager;
             LibraryManager = libraryManager;
@@ -115,6 +117,7 @@ namespace MediaBrowser.Api.Playback
             _logger = loggerFactory.CreateLogger(nameof(UniversalAudioService));
         }
 
+        protected IHttpClient HttpClient { get; private set; }
         protected IServerConfigurationManager ServerConfigurationManager { get; private set; }
         protected IUserManager UserManager { get; private set; }
         protected ILibraryManager LibraryManager { get; private set; }
@@ -323,7 +326,8 @@ namespace MediaBrowser.Api.Playback
             }
             else
             {
-                var service = new AudioService(ServerConfigurationManager,
+                var service = new AudioService(HttpClient,
+                    ServerConfigurationManager,
                     UserManager,
                     LibraryManager,
                     IsoManager,