Rename Toolkit's webextensions component directory to better reflect what it is.

toolkit/components/webextensions/test/mochitest/chrome.ini

@@ -0,0 +1,35 @@
+[DEFAULT]
+support-files =
+  chrome_head.js
+  head.js
+  head_cookies.js
+  file_sample.html
+  webrequest_chromeworker.js
+  webrequest_test.jsm
+tags = webextensions
+
+[test_chrome_ext_background_debug_global.html]
+skip-if = (os == 'android') # android doesn't have devtools
+[test_chrome_ext_background_page.html]
+skip-if = (toolkit == 'android') # android doesn't have devtools
+[test_chrome_ext_eventpage_warning.html]
+[test_chrome_ext_contentscript_unrecognizedprop_warning.html]
+skip-if = (os == 'android') # browser.tabs is undefined. Bug 1258975 on android.
+[test_chrome_ext_hybrid_addons.html]
+[test_chrome_ext_trustworthy_origin.html]
+[test_chrome_ext_webnavigation_resolved_urls.html]
+skip-if = (os == 'android') # browser.tabs is undefined. Bug 1258975 on android.
+[test_chrome_ext_shutdown_cleanup.html]
+[test_chrome_native_messaging_paths.html]
+skip-if = os != "mac" && os != "linux"
+[test_ext_cookies_expiry.html]
+[test_ext_cookies_permissions_bad.html]
+[test_ext_cookies_permissions_good.html]
+[test_ext_cookies_containers.html]
+[test_ext_jsversion.html]
+[test_ext_schema.html]
+[test_chrome_ext_storage_cleanup.html]
+[test_chrome_ext_idle.html]
+[test_chrome_ext_downloads_saveAs.html]
+[test_chrome_ext_webrequest_background_events.html]
+skip-if = os == 'android' # webrequest api unsupported (bug 1258975).