MDL-72361 theme_boost: page scroll issue on drawer close

theme/boost/amd/src/drawers.js

@@ -63,17 +63,6 @@ const isSmall = () => {
     return browserWidth < sizes.medium;
 };
 
-/**
- * Check if the user uses a medium size browser.
- *
- * @returns {boolean} true if the body is smaller than sizes.medium max size.
- * @private
- */
-const isMedium = () => {
-    const browserWidth = getCurrentWidth();
-    return (browserWidth >= sizes.medium) && (browserWidth < sizes.large);
-};
-
 /**
  * Check if the user uses a large size browser.
  *
@@ -340,7 +329,7 @@ export default class Drawers {
         getBackdrop().then(backdrop => {
             backdrop.hide();
 
-            if (isMedium()) {
+            if (isSmall()) {
                 const pageWrapper = document.getElementById('page-wrapper');
                 pageWrapper.style.overflow = 'auto';
             }