Fix crash from ipc_fuzzer

printing/printing_context_win.h

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef PRINTING_PRINTING_CONTEXT_WIN_H_
 #define PRINTING_PRINTING_CONTEXT_WIN_H_
 
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
@@ skipping 34 matching lines @@
   // Reads the settings from the selected device context. Updates settings_ and
   // its margins.
   virtual Result InitializeSettings(const base::string16& device_name,
                                     DEVMODE* dev_mode);
 
   HDC contest() const { return context_; }
 
   void set_context(HDC context) { context_ = context; }
 
  private:
-  virtual scoped_ptr<DEVMODE, base::FreeDeleter> ShowPrintDialog(
+  scoped_ptr<DEVMODE, base::FreeDeleter> ShowPrintDialog(
       HANDLE printer,
       gfx::NativeView parent_view,
       DEVMODE* dev_mode);
 
   // Used in response to the user canceling the printing.
   static BOOL CALLBACK AbortProc(HDC hdc, int nCode);
 
   // The selected printer context.
   HDC context_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintingContextWin);
 };
 
 }  // namespace printing
 
 #endif  // PRINTING_PRINTING_CONTEXT_WIN_H_