First round of dead file removal

experimental/visual_studio_plugin/src/MsAd7.BaseImpl/CodeContext.cs

-// Copyright 2009 The Native Client Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can
-// be found in the LICENSE file.
-using System;
-using System.Diagnostics;
-using Microsoft.VisualStudio;
-using Microsoft.VisualStudio.Debugger.Interop;
-
-namespace Google.MsAd7.BaseImpl {
-  public class CodeContext : MemoryContext, IDebugCodeContext2 {
-    public CodeContext(string name,
-                       ulong address,
-                       ulong count,
-                       DocumentContext docContext)
-        : base(name, address, count) {
-      docContext_ = docContext;
-      if (docContext_ != null) {
-        docContext_.AddCodeContext(this);
-      }
-    }
-
-    public static readonly CodeContext NullContext = 
-      new CodeContext("<No symbols available>", 0, 0, null);
-
-    #region Implementation of IDebugCodeContext2
-
-    public int GetDocumentContext(out IDebugDocumentContext2 ppSrcCxt) {
-      Debug.WriteLine("CodeContext.GetDocumentContext");
-
-      ppSrcCxt = docContext_;
-      return VSConstants.S_OK;
-    }
-
-    public int GetLanguageInfo(ref string pbstrLanguage, ref Guid pguidLanguage) {
-      Debug.WriteLine("CodeContext.GetLanguageInfo");
-
-      return docContext_.GetLanguageInfo(ref pbstrLanguage, ref pguidLanguage);
-    }
-
-    #endregion
-
-    #region Private Implementation
-
-    private readonly DocumentContext docContext_;
-
-    #endregion
-  }
-}