Files app: fix "Buy more storage" link in the low Drive space warning

chrome/browser/resources/file_manager/js/drive_banners.js

Index: chrome/browser/resources/file_manager/js/drive_banners.js
diff --git a/chrome/browser/resources/file_manager/js/drive_banners.js b/chrome/browser/resources/file_manager/js/drive_banners.js
index 23c0288c16156a823989358d8c00e8b523f75445..eeaf0441d4c5afbdfcbe61126291cf9eae4019f9 100644
--- a/chrome/browser/resources/file_manager/js/drive_banners.js
+++ b/chrome/browser/resources/file_manager/js/drive_banners.js
@@ -282,10 +282,11 @@ FileListBannerController.prototype.showLowGDriveSpaceWarning_ =
         util.bytesToSi(sizeStats.remainingSizeKB * 1024));
     box.appendChild(text);
 
-    var link = this.document_.createElement('div');
+    var link = this.document_.createElement('a');
     link.className = 'plain-link';
     link.textContent = str('DRIVE_BUY_MORE_SPACE_LINK');
     link.href = GOOGLE_DRIVE_BUY_STORAGE;
+    link.target = '_blank';
     box.appendChild(link);
 
     var close = this.document_.createElement('div');