We have thread safe statics now, there's no reason to use lazy
instance anymore.

BUG=686866
TEST=compiles.
CQ_INCLUDE_TRYBOTS=master.tryserver.chromium.linux:linux_optional_gpu_tests_rel;master.tryserver.chromium.mac:mac_optional_gpu_tests_rel;master.tryserver.chromium.win:win_optional_gpu_tests_rel

Review-Url: https://codereview.chromium.org/2668813002
Cr-Commit-Position: refs/heads/master@{#449830}