Files.app: Let Files.app pass mutliple files to file handlers.

chrome/browser/chromeos/file_manager/file_tasks.cc

 // 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.
 
 #include "chrome/browser/chromeos/file_manager/file_tasks.h"
 
 #include "apps/launcher.h"
 #include "base/bind.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/stringprintf.h"
@@ skipping 291 matching lines @@
 
   // Execute the task.
   if (task.task_type == TASK_TYPE_FILE_BROWSER_HANDLER) {
     return file_browser_handlers::ExecuteFileBrowserHandler(
         profile,
         extension,
         task.action_id,
         file_urls,
         done);
   } else if (task.task_type == TASK_TYPE_FILE_HANDLER) {
+    std::vector<base::FilePath> paths;
     for (size_t i = 0; i != file_urls.size(); ++i) {
-      apps::LaunchPlatformAppWithFileHandler(
-          profile, extension, task.action_id, file_urls[i].path());
+      paths.push_back(file_urls[i].path());
     }
-
+    apps::LaunchPlatformAppWithFileHandler(
+        profile, extension, task.action_id, paths);
     if (!done.is_null())
       done.Run(extensions::api::file_browser_private::TASK_RESULT_MESSAGE_SENT);
     return true;
   }
   NOTREACHED();
   return false;
 }
 
 void FindDriveAppTasks(
     const drive::DriveAppRegistry& drive_app_registry,
@@ skipping 221 matching lines @@
     if (file_browser_handlers::IsFallbackFileBrowserHandler(
             task->task_descriptor())) {
       task->set_is_default(true);
       return;
     }
   }
 }
 
 }  // namespace file_tasks
 }  // namespace file_manager