Add -fno-threadsafe-statics to the Linux build.
Add -fno-threadsafe-statics to the Linux build.

We already depend on our static initializers being thread safe, since MSVC does
not implement locking around static initialization.  This avoids extra locking
(__cxa_guard_acquire / __cxa_guard_release).

Review URL: http://codereview.chromium.org/149607


git-svn-id: http://src.chromium.org/svn/trunk/src@20616 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 6f80dc32a228667fcb274cb3684d16700513fef6
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser