Imported Upstream version 3.6.0

Former-commit-id: da6be194a6b1221998fc28233f2503bd61dd9d14

mcs/class/System.Web.Mvc3/Mvc/Razor/MvcCSharpRazorCodeGenerator.cs

@@ -0,0 +1,30 @@
+using System.CodeDom;
+using System.Web.Razor;
+using System.Web.Razor.Generator;
+
+namespace System.Web.Mvc.Razor
+{
+    internal class MvcCSharpRazorCodeGenerator : CSharpRazorCodeGenerator
+    {
+        private const string DefaultModelTypeName = "dynamic";
+
+        public MvcCSharpRazorCodeGenerator(string className, string rootNamespaceName, string sourceFileName, RazorEngineHost host)
+            : base(className, rootNamespaceName, sourceFileName, host)
+        {
+            var mvcHost = host as MvcWebPageRazorHost;
+            if (mvcHost != null && !mvcHost.IsSpecialPage)
+            {
+                // set the default model type to "dynamic" (Dev10 bug 935656)
+                // don't set it for "special" pages (such as "_viewStart.cshtml")
+                SetBaseType(DefaultModelTypeName);
+            }
+        }
+
+        private void SetBaseType(string modelTypeName)
+        {
+            var baseType = new CodeTypeReference(Context.Host.DefaultBaseClass + "<" + modelTypeName + ">");
+            Context.GeneratedClass.BaseTypes.Clear();
+            Context.GeneratedClass.BaseTypes.Add(baseType);
+        }
+    }
+}