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-rw-r--r--src/DotNetOpenAuth.OAuth/OAuth/ChannelElements/OAuthChannel.cs4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/DotNetOpenAuth.OAuth/OAuth/ChannelElements/OAuthChannel.cs b/src/DotNetOpenAuth.OAuth/OAuth/ChannelElements/OAuthChannel.cs
index db131a9..1362ca9 100644
--- a/src/DotNetOpenAuth.OAuth/OAuth/ChannelElements/OAuthChannel.cs
+++ b/src/DotNetOpenAuth.OAuth/OAuth/ChannelElements/OAuthChannel.cs
@@ -9,7 +9,6 @@ namespace DotNetOpenAuth.OAuth.ChannelElements {
using System.Collections.Generic;
using System.Diagnostics;
using System.Diagnostics.CodeAnalysis;
- using System.Diagnostics.Contracts;
using System.Globalization;
using System.IO;
using System.Linq;
@@ -21,6 +20,7 @@ namespace DotNetOpenAuth.OAuth.ChannelElements {
using DotNetOpenAuth.Messaging.Bindings;
using DotNetOpenAuth.Messaging.Reflection;
using DotNetOpenAuth.OAuth.Messages;
+ using Validation;
/// <summary>
/// An OAuth-specific implementation of the <see cref="Channel"/> class.
@@ -42,7 +42,7 @@ namespace DotNetOpenAuth.OAuth.ChannelElements {
Requires.NotNull(tokenManager, "tokenManager");
Requires.NotNull(securitySettings, "securitySettings");
Requires.NotNull(signingBindingElement, "signingBindingElement");
- Requires.True(signingBindingElement.SignatureCallback == null, "signingBindingElement", OAuthStrings.SigningElementAlreadyAssociatedWithChannel);
+ Requires.That(signingBindingElement.SignatureCallback == null, "signingBindingElement", OAuthStrings.SigningElementAlreadyAssociatedWithChannel);
Requires.NotNull(bindingElements, "bindingElements");
this.TokenManager = tokenManager;