[File Manager] Keep showing GDrive promo banner while the search box is being used.

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

Index: chrome/browser/resources/file_manager/js/file_manager.js
diff --git a/chrome/browser/resources/file_manager/js/file_manager.js b/chrome/browser/resources/file_manager/js/file_manager.js
index 41a8d4bcf36f50891e72e05abb7464c0fa83a761..ff5309e6f6f045d9fe4927b168bd28bf34aabaa4 100644
--- a/chrome/browser/resources/file_manager/js/file_manager.js
+++ b/chrome/browser/resources/file_manager/js/file_manager.js
@@ -4352,8 +4352,6 @@ FileManager.prototype = {
     function closeBanner() {
       self.directoryModel_.removeEventListener('scan-completed',
           maybeShowBanner);
-      self.directoryModel_.removeEventListener('rescan-completed',
-          maybeShowBanner);
 
       self.dialogContainer_.removeAttribute('gdrive-welcome');
       // Stop showing the welcome banner.
@@ -4361,7 +4359,6 @@ FileManager.prototype = {
     }
 
     this.directoryModel_.addEventListener('scan-completed', maybeShowBanner);
-    this.directoryModel_.addEventListener('rescan-completed', maybeShowBanner);
 
     var style = this.document_.createElement('link');
     style.rel = 'stylesheet';