MIPS: Make object accessors more const-correct.
Port r21897 (1b152ae)
Fix MIPS implementation of READ_DOUBLE_FIELD() to use const parameter.
Original commit message:
Getting closer to making our IsFOO and FOO::cast methods
const-correct...
BUG=
R=gergely@homejinni.com, jkummerow@chromium.org
Review URL: https://codereview.chromium.org/
344203005
Patch from Balazs Kilvady <kilvadyb@homejinni.com>.
git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@21904
ce2b1a6d-e550-0410-aec6-
3dcde31c8c00