Simplify the definition of goog.math.sign. There is no benefit to using the native Math.sin and avoids the compiler from injecting a polyfill for Math.sin.
Simplify the definition of goog.math.sign. There is no benefit to using the native Math.sin and avoids the compiler from injecting a polyfill for Math.sin.

Note that this as fixes the closure dead code removal tests when ES6 and the polyfills are enabled by default.

RELNOTES: n/a

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=133160657

platinumpixs/google-closure-library,platinumpixs/google-closure-library,ikabirov/closure-library,joeltine/closure-library,google/closure-library,codyebberson/closure-library,codyebberson/closure-library,redforks/closure-library,ChadKillingsworth/closure-library,teppeis/closure-library,redforks/closure-library,codyebberson/closure-library,Medium/closure-library,ikabirov/closure-library,google/closure-library,platinumpixs/google-closure-library,joeltine/closure-library,ChadKillingsworth/closure-library,Medium/closure-library,google/closure-library,google/closure-library,ikabirov/closure-library,codyebberson/closure-library,teppeis/closure-library,Medium/closure-library,ChadKillingsworth/closure-library,redforks/closure-library,lucidsoftware/closure-library,joeltine/closure-library,platinumpixs/google-closure-library,teppeis/closure-library,ikabirov/closure-library,redforks/closure-library,google/closure-library,lucidsoftware/closure-library,lucidsoftware/closure-library,teppeis/closure-library,lucidsoftware/closure-library,Medium/closure-library,ChadKillingsworth/closure-library,joeltine/closure-library