Oilpan: remove consts when checking GC-class convertibility.

Achieve the desired conversion outcomes when working with const types,
explicitly removing "const" qualifiers throughout before testing if
class types can be converted to GarbageCollected{Mixin,Finalized} etc.

R=haraken@chromium.org,erik.corry@gmail.com
BUG=

Review URL: https://codereview.chromium.org/282263006

git-svn-id: svn://svn.chromium.org/blink/trunk@174175 bbb929c8-8fbe-4397-9dbb-9b2b20218538
3 files changed
tree: 0e49a71776bc517dd5a2b92bd7e86c01a70edef2
  1. third_party/