Files.app: Let the file browser private tasks APIs use the auto-generated helper classes.

chrome/common/extensions/api/file_browser_private.json

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 [
   {
     "namespace":"fileBrowserPrivate",
     "compiler_options": {
       "implemented_in": "chrome/browser/chromeos/extensions/file_manager/file_browser_private_api_functions.h"
     },
@@ skipping 404 matching lines @@
       {
         "name": "executeTask",
         "description": "Executes file browser task over selected files",
         "parameters": [
           {
             "name": "taskId",
             "type": "string",
             "description": "The unique identifier of task to execute."
           },
           {
-            "name": "fileURLs",
+            "name": "fileUrls",
             "type": "array",
             "description": "Array of file URLs",
             "items": { "type": "string" }
           },
           {
             "name": "callback",
             "type": "function",
             "optional": true,
             "parameters": [
               {
                 "name": "success",
                 "type": "boolean",
                 "optional": true,
                 "description": "True of task execution was successfully initiated."
               }
             ]
           }
         ]
       },
       {
         "name": "setDefaultTask",
         "description": "Sets the default task for the supplied MIME types and suffixes of the supplied file URLs. Lists of MIME types and URLs may contain duplicates.",
         "parameters": [
           {
             "name": "taskId",
             "type": "string",
             "description": "The unique identifier of task to mark as default."
           },
           {
-            "name": "fileURLs",
+            "name": "fileUrls",
             "type": "array",
             "description": "Array of selected file URLs to extract suffixes from.",
             "items": { "type": "string" }
           },
           {
             "name": "mimeTypes",
             "type": "array",
             "optional": true,
             "description": "Array of selected file MIME types.",
             "items": { "type": "string" }
           },
           {
             "name": "callback",
             "type": "function",
             "optional": true,
             "parameters": []
           }
         ]
       },
       {
         "name": "getFileTasks",
         "description": "Gets the list of tasks that can be performed over selected files.",
         "parameters": [
           {
-            "name": "fileURLs",
+            "name": "fileUrls",
             "type": "array",
             "description": "Array of selected file URLs",
             "items": { "type": "string" }
           },
           {
             "name": "mimeTypes",
             "type": "array",
             "description": "Array of selected file MIME types",
             "items": { "type": "string" }
           },
@@ skipping 827 matching lines @@
       },
       {
         "name": "onDriveConnectionStatusChanged",
         "type": "function",
         "description": "Fired when the active network connection state changes. The network connection state can be retrieved via 'getDriveConnectionState'.",
         "parameters": []
       }
     ]
   }
 ]