Guard polyfills against window possibly being undefined #7205
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jxom
requested review from
amyrlam,
bugzpodder,
gaearon,
ianschmitz,
iansu,
mrmckeb,
petetnt and
Timer
as code owners
ianschmitz
suggested changes
Aug 9, 2019
ianschmitz
reviewed
Aug 9, 2019
ianschmitz
approved these changes
Sep 24, 2019
ianschmitz
changed the title
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Hello!
This PR is just a small one, and ensures that window is not undefined before it invokes the polyfill.