codebase cleanup

[12ya]

for loop refactoring,
remove unused func newStaticCloseChecker from http2/tansport_test/

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Message from Gopher Robot:

Patch Set 1:

(1 comment)

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Message from Ian Lance Taylor:

Patch Set 1:

(2 comments)

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[ravichandra-eluri]

LGTM. Nice cleanup! Switching to range over ints is definitely the move here.

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