-Fixed Metro build

Src/Newtonsoft.Json.Tests/Linq/LinqToJsonTest.cs

@@ -43,6 +43,7 @@ using Newtonsoft.Json.Utilities.LinqBridge;
 #else
 using System.Linq;
 #endif
+using System.IO;
 
 namespace Newtonsoft.Json.Tests.Linq
 {

Src/Newtonsoft.Json.Tests/Serialization/SerializationEventAttributeTests.cs

@@ -39,6 +39,7 @@ using TestFixture = Microsoft.VisualStudio.TestTools.UnitTesting.TestClassAttrib
 using Test = Microsoft.VisualStudio.TestTools.UnitTesting.TestMethodAttribute;
 #endif
 using Newtonsoft.Json.Linq;
+using Newtonsoft.Json.Utilities;
 
 namespace Newtonsoft.Json.Tests.Serialization
 {

Src/Newtonsoft.Json.Tests/TestFixtureBase.cs

@@ -42,6 +42,11 @@ using TestMethod = Microsoft.VisualStudio.TestTools.UnitTesting.TestMethodAttrib
 #endif
 using Newtonsoft.Json.Utilities;
 using System.Collections;
+#if NET20
+using Newtonsoft.Json.Utilities.LinqBridge;
+#else
+using System.Linq;
+#endif
 
 namespace Newtonsoft.Json.Tests
 {

Src/Newtonsoft.Json/Newtonsoft.Json.Metro.csproj

@@ -212,6 +212,7 @@
     <Compile Include="Serialization\IContractResolver.cs" />
     <Compile Include="Serialization\IReferenceResolver.cs" />
     <Compile Include="Serialization\IValueProvider.cs" />
+    <Compile Include="Serialization\JPropertyKeyedCollection.cs" />
     <Compile Include="Serialization\JsonArrayContract.cs" />
     <Compile Include="Serialization\JsonContract.cs" />
     <Compile Include="Serialization\JsonDictionaryContract.cs" />

Src/Newtonsoft.Json/Serialization/JsonTypeReflector.cs

@@ -28,7 +28,6 @@ using System.ComponentModel;
 using System.Globalization;
 using System.Reflection;
 #if !NETFX_CORE
-using System.Runtime.Serialization;
 using System.Security.Permissions;
 #endif
 using Newtonsoft.Json.Utilities;
@@ -40,6 +39,7 @@ using Newtonsoft.Json.Utilities.LinqBridge;
 #else
 using System.Linq;
 #endif
+using System.Runtime.Serialization;
 
 namespace Newtonsoft.Json.Serialization
 {
@@ -403,7 +403,7 @@ namespace Newtonsoft.Json.Serialization
       {
         if (_fullyTrusted == null)
         {
-#if !(NET20 || NET35 || SILVERLIGHT)
+#if !(NET20 || NET35 || SILVERLIGHT || NETFX_CORE)
           AppDomain appDomain = AppDomain.CurrentDomain;
 
           _fullyTrusted = appDomain.IsHomogenous && appDomain.IsFullyTrusted;