Bug 1385932 - Reenable browser_urlbar_search_reflows.js on Linux. r=mconley

MozReview-Commit-ID: H24TSQKemBp

--HG--
extra : rebase_source : f0c885c24b1716aa5e402c193eeccb94bb3a9fc6

browser/base/content/test/performance/browser.ini

@@ -19,7 +19,6 @@ skip-if = !e10s
 [browser_urlbar_keyed_search_reflows.js]
 skip-if = (os == 'linux') || (os == 'win' && debug) # Disabled on Linux and Windows debug due to perma failures. Bug 1392320.
 [browser_urlbar_search_reflows.js]
-skip-if = (os == 'linux') # Disabled on Linux and OS X opt due to frequent failures. Bug 1385932
 [browser_windowclose_reflows.js]
 [browser_windowopen_reflows.js]
 skip-if = os == 'linux' # Disabled due to frequent failures. Bug 1380465.