Update to Chromium revision 40af916d (#303546).

- Standardize usage of virtual/override specifiers in CEF internals (see http://crbug.com/417463).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@1903 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tools/make_cpptoc_header.py

@@ -58,7 +58,6 @@ def make_cpptoc_header(header, clsname):
                '    : public CefCppToC<'+clsname+'CppToC, '+clsname+', '+capiname+'> {\n'+ \
                ' public:\n'+ \
                '  explicit '+clsname+'CppToC('+clsname+'* cls);\n'+ \
-               '  virtual ~'+clsname+'CppToC() {}\n'+ \
                '};\n\n'
     
     if dllside: