Simplify ImeSwitcherFactory

Now we can assume that subtype mechanism is always available.  We do not need to change the behvior at runtime anymore.  No behavior change is intended in the supported platforms.

BUG=none
TEST=compile

git-svn-id: https://mozc.googlecode.com/svn/trunk@406 a6090854-d499-a067-5803-1114d4e51264
3 files changed
tree: 1358f6a3cfd7400416a29ae9aec7c1a3f4696351
  1. src/