
Fix a parameter type in handleBrowserEvent_. The only caller is a closure
in getProxy which gets the value from Listener.key (a number). Due to the
indirection, the compiler doesn't notice that {string} is wrong, but it
creates a lot of noise when using the runtime type checking option.

R=arv
DELTA=1  (0 added, 0 deleted, 1 changed)


Revision created by MOE tool push_codebase.
MOE_MIGRATION=4308


git-svn-id: 35241bd708fe29f1f6c7a4322d322e99ff93b95e@1629 0b95b8e8-c90f-11de-9d4f-f947ee5921c8

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