Oilpan: remove GC plugin ignore for recursive value objects.

The GC_PLUGIN_IGNORE() is no longer needed as clang rolls now includes
http://crbug.com/424962

R=kouhei,haraken
BUG=424962

Review URL: https://codereview.chromium.org/735263002

git-svn-id: svn://svn.chromium.org/blink/trunk@187276 bbb929c8-8fbe-4397-9dbb-9b2b20218538
1 file changed
tree: 3791debca2a6d377ffcaf32a281bdaff42da1f20
  1. third_party/