Fix promise support check in content scripts

mozilla · Jun 18, 2018 · a62cf86 · a62cf86
1 parent 0cbd8b4
commit a62cf86
Showing 1 changed file with 4 additions and 4 deletions.
diff --git a/src/browser-polyfill.js b/src/browser-polyfill.js
@@ -36,11 +36,11 @@ const supportsPromises = () => {
   }
   try {
     return isThenable(browser.runtime.getPlatformInfo());
-  } catch (error) {/* silence ESLint */}
-  // Microsoft Edge doesn’t support `browser.runtime.getPlatformInfo()`
+  } catch (error) { /* silence ESLint */ }
+  // Content scripts can’t access the platform info
   try {
-    return isThenable(browser.windows.get(browser.windows.WINDOW_ID_CURRENT));
-  } catch (error) {/* silence ESLint */}
+    return isThenable(browser.i18n.getAcceptLanguages());
+  } catch (error) { /* silence ESLint */ }
   return false;
 };