Always generate the checkBigInt (Math.floor(x) == x) test for int receiver type checks and argument type checks, since the int32 tests don't make sense in the absence of bailouts.

Also remove dead code for checks that are no longer generated.

R=floitsch@google.com

Review URL: https://codereview.chromium.org//763883004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42088 260f80e4-7a28-3924-810f-c04153c831b5
Revert "Workaround for canPlayType in Dartium"

This keeps the test.

R=leafp@google.com

Review URL: https://codereview.chromium.org//748883004

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42089 260f80e4-7a28-3924-810f-c04153c831b5
More work on logging - new classes and timers.

R=brianwilkerson@google.com
BUG=

Review URL: https://codereview.chromium.org//780643002

git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge@42090 260f80e4-7a28-3924-810f-c04153c831b5