Rename FileSystemMountPointProvider::ValidateFileSystemRoot to OpenFileSystem

chrome/browser/chromeos/extensions/file_manager/file_handler_util.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/extensions/file_manager/file_handler_util.h"
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/i18n/case_conversion.h"
 #include "base/json/json_writer.h"
@@ skipping 806 matching lines @@
   scoped_refptr<fileapi::FileSystemContext> file_system_context_handler =
       BrowserContext::GetStoragePartitionForSite(profile(), site)->
       GetFileSystemContext();
 
   GURL origin_url =
       Extension::GetBaseURLFromExtensionId(extension->id()).GetOrigin();
   BrowserThread::PostTask(
       BrowserThread::FILE, FROM_HERE,
       base::Bind(&fileapi::FileSystemContext::OpenFileSystem,
                  file_system_context_handler,
-                 origin_url, fileapi::kFileSystemTypeExternal, false, // create
+                 origin_url, fileapi::kFileSystemTypeExternal,
+                 fileapi::OPEN_FILE_SYSTEM_FAIL_IF_NONEXISTENT,
                  ExecuteTasksFileSystemCallbackDispatcher::CreateCallback(
                      this,
                      file_system_context_handler,
                      extension,
                      extension_pid,
                      action_id_,
                      file_urls)));
   return true;
 }
 
@@ skipping 133 matching lines @@
     extensions::LaunchPlatformAppWithFileHandler(profile(), GetExtension(),
         action_id_, file_urls[i].path());
   }
 
   if (!done.is_null())
     done.Run(true);
   return true;
 }
 
 } // namespace file_handler_util