Change butter bar message depending on the type of operation and the number of files.

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

Index: chrome/browser/resources/file_manager/js/file_copy_manager_wrapper.js
diff --git a/chrome/browser/resources/file_manager/js/file_copy_manager_wrapper.js b/chrome/browser/resources/file_manager/js/file_copy_manager_wrapper.js
index 704fdd41fc1797be211cb2563ec681b670417ca6..671d9bb05dc575a28925d980a0c6573334d94c6d 100644
--- a/chrome/browser/resources/file_manager/js/file_copy_manager_wrapper.js
+++ b/chrome/browser/resources/file_manager/js/file_copy_manager_wrapper.js
@@ -70,20 +70,6 @@ FileCopyManagerWrapper.prototype.onEvent = function(eventName, eventArgs) {
 };
 
 /**
- * Get the overall progress data of all queued copy tasks.
- * @return {Object} An object containing the following parameters:
- *    percentage - The percentage (0-1) of finished items.
- *    pendingItems - The number of pending/unfinished items.
- */
-FileCopyManagerWrapper.prototype.getProgress = function() {
-  var cm = this.getCopyManagerSync_();
-  if (cm)
-    return cm.getProgress();
-
-  return {percentage: NaN, pendingItems: 0};
-};
-
-/**
  * @return {Object} Status object.
  */
 FileCopyManagerWrapper.prototype.getStatus = function() {
@@ -105,7 +91,12 @@ FileCopyManagerWrapper.prototype.getStatus = function() {
     totalItems: 0,
     totalFiles: 0,
     totalDirectories: 0,
-    totalBytes: 0
+    totalBytes: 0,
+
+    percentage: NaN,
+    pendingCopies: 0,
+    pendingMoves: 0,
+    filename: ''  // In case pendingItems == 1
   };
 };