Rename fileBrowserPrivate to fileManagerPrivate

ui/file_manager/gallery/js/background.js

Index: ui/file_manager/gallery/js/background.js
diff --git a/ui/file_manager/gallery/js/background.js b/ui/file_manager/gallery/js/background.js
index e76a91b4f21c69b23ce9bd11876636409d80b647..74133613ae15a32ce4fc19b17e2a6d5c93014a31 100644
--- a/ui/file_manager/gallery/js/background.js
+++ b/ui/file_manager/gallery/js/background.js
@@ -30,7 +30,7 @@ function BackgroundComponents(stringData, volumeManager) {
  */
 BackgroundComponents.load = function() {
   var stringDataPromise = new Promise(function(fulfill) {
-    chrome.fileBrowserPrivate.getStrings(function(stringData) {
+    chrome.fileManagerPrivate.getStrings(function(stringData) {
       loadTimeData.data = stringData;
       fulfill(stringData);
     });
@@ -62,7 +62,7 @@ var backgroundComponentsPromise = BackgroundComponents.load();
  */
 function resolveEntries(entries) {
   return new Promise(function(fulfill, reject) {
-    chrome.fileBrowserPrivate.resolveIsolatedEntries(entries,
+    chrome.fileManagerPrivate.resolveIsolatedEntries(entries,
                                                      function(externalEntries) {
       if (!chrome.runtime.lastError)
         fulfill(externalEntries);