Initial Contribution
Code drop from //branches/cupcake/...@124589
auto import from //branches/cupcake/...@126645
Fix a couple of type mismatches in pagemap.
auto import from //branches/cupcake/...@130745
auto import from //branches/cupcake/...@131421
auto import from //branches/cupcake/...@132276
auto import from //depot/cupcake/@137055
auto import from //depot/cupcake/@132589
auto import from //depot/cupcake/@135843
auto import from //depot/cupcake/@135843
auto import from //depot/cupcake/@136594
auto import from //branches/cupcake/...@137197
Merge commit 'remotes/korg/cupcake' into merge
auto import from //branches/cupcake_rel/...@140373
auto import //branches/master/...@140412
auto import from //branches/cupcake_rel/...@141571
Automated import from //branches/master/...@140824,140824
Automated import from //branches/donutburger/...@140818,140818
Merge commit 'korg/cupcake'