Make "chrome" available via window.top.
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=51979465
Make JS Compiler CodePrinter public.
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=52050801
Add a unit test showing skipping parameters in function signatures.
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=52061244
Fix @dispose for custom disposables.

Patch from Jacques, see discussion at:
https://groups.google.com/forum/#!topic/closure-compiler-discuss/knBsNMRXsiE
Fixes issue 1089
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=52062249
Merge remote-tracking branch: upstream/master