file_manager: Rename and document some functions in file_manager_util.cc

chrome/browser/chromeos/extensions/file_manager/private_api_tasks.cc

 // Copyright 2013 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.
 
 #include "chrome/browser/chromeos/extensions/file_manager/private_api_tasks.h"
 
 #include "chrome/browser/chromeos/drive/drive_app_registry.h"
 #include "chrome/browser/chromeos/drive/drive_integration_service.h"
 #include "chrome/browser/chromeos/extensions/file_manager/file_browser_handlers.h"
 #include "chrome/browser/chromeos/extensions/file_manager/file_manager_util.h"
@@ skipping 615 matching lines @@
       return false;
     files.push_back(path);
   }
 
   Browser* browser = chrome::FindOrCreateTabbedBrowser(
       profile_, chrome::HOST_DESKTOP_TYPE_ASH);
   bool success = browser;
 
   if (browser) {
     for (size_t i = 0; i < files.size(); ++i) {
-      bool handled = util::ExecuteBuiltinHandler(browser, files[i]);
+      bool handled = util::OpenFileWithBrowser(browser, files[i]);
       if (!handled && files.size() == 1)
         success = false;
     }
   }
 
   SetResult(Value::CreateBooleanValue(success));
   SendResponse(true);
   return true;
 }
 
 }  // namespace file_manager