
Change goog.vec.Ray to use 64bit arrays for its origin and direction
instead of 32bit goog.vec.Vec3 since some apps require the higher
precision.

R=nicksantos
DELTA=15  (4 added, 0 deleted, 11 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=2436


git-svn-id: 35241bd708fe29f1f6c7a4322d322e99ff93b95e@1074 0b95b8e8-c90f-11de-9d4f-f947ee5921c8

knutwalker/google-closure-library,homer6/google-closure-library,thinkfuse/google-closure,thinkfuse/google-closure,homer6/google-closure-library,prop/closure-library,homer6/google-closure-library,prop/closure-library,prop/closure-library,KgDesignes/closure-library,thinkfuse/google-closure,KgDesignes/closure-library,KgDesignes/closure-library,knutwalker/google-closure-library