SiteContext.cs

// Decompiled with JetBrains decompiler
// Type: Sitecore.Sites.SiteContext
// Assembly: Sitecore.Kernel, Version=8.1.0.0, Culture=neutral, PublicKeyToken=null
// 
// NOTE: This is not the complete implementation, only fractions of the important parts related 
//       to getting cookie by key from the site-context.
// 

namespace Sitecore.Sites
{
  [DebuggerDisplay("{Name}")]
  public class SiteContext
  {
    internal static string GetCookieKey(string siteName, string name)
    {
      Sitecore.Diagnostics.Assert.ArgumentNotNull((object) siteName, "siteName");
      Sitecore.Diagnostics.Assert.ArgumentNotNull((object) name, "name");
      return (siteName + "#" + name).ToLowerInvariant();
    }

    // code omitted...
  }
}