Fix copy number counting in Files.app.

chrome/browser/resources/file_manager/background/js/file_operation_manager.js

Index: chrome/browser/resources/file_manager/background/js/file_operation_manager.js
diff --git a/chrome/browser/resources/file_manager/background/js/file_operation_manager.js b/chrome/browser/resources/file_manager/background/js/file_operation_manager.js
index 00258fc94384ac4f0f84c89c4223d512a28f8f1e..c3f5678ba5649fa0ebe921027db952383b9a7dbf 100644
--- a/chrome/browser/resources/file_manager/background/js/file_operation_manager.js
+++ b/chrome/browser/resources/file_manager/background/js/file_operation_manager.js
@@ -636,15 +636,6 @@ FileOperationManager.CopyTask.prototype.run = function(
         this.processEntry_(
             entry, this.targetDirEntry,
             function(sourceEntry, destinationEntry) {
-              // Finalize the entry's progress state.
-              var sourceEntryURL = sourceEntry.toURL();
-              var processedEntry =
-                  this.processingEntries[index][sourceEntryURL];
-
-              // Update current source index.
-              this.processingSourceIndex_ = index + 1;
-              this.processedBytes = this.calcProcessedBytes_();
-
               // The destination entry may be null, if the copied file got
               // deleted just after copying.
               if (destinationEntry) {
@@ -662,7 +653,12 @@ FileOperationManager.CopyTask.prototype.run = function(
                 progressCallback();
               }
             }.bind(this),
-            callback,
+            function() {
+              // Update current source index and processing bytes.
+              this.processingSourceIndex_ = index + 1;
+              this.processedBytes = this.calcProcessedBytes_();
+              callback();
+            }.bind(this),
             errorCallback);
       },
       function() {