Revert "Make a metaprogramming hack more C++11-compatible"
Revert "Make a metaprogramming hack more C++11-compatible"

This broke Visual Studio builds.

BUG=233473
TEST=MSVC build does not fail
TBR=thakis

Review URL: https://codereview.chromium.org/14247014

git-svn-id: bf5cd6ccde378db821296732a091cfbcf5285fbd@148705 bbb929c8-8fbe-4397-9dbb-9b2b20218538

primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs,primiano/blink-gitcs