Rename FileSystemMountPointProvider::ValidateFileSystemRoot to OpenFileSystem

chrome/browser/chromeos/extensions/file_manager/file_browser_private_api.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_browser_private_api.h"
 
 #include <sys/stat.h>
 #include <sys/statvfs.h>
 #include <sys/types.h>
 #include <utime.h>
@@ skipping 598 matching lines @@
 FileBrowserPrivateAPI* FileBrowserPrivateAPI::Get(Profile* profile) {
   return FileBrowserPrivateAPIFactory::GetForProfile(profile);
 }
 
 void RequestLocalFileSystemFunction::RequestOnFileThread(
     scoped_refptr<fileapi::FileSystemContext> file_system_context,
     const GURL& source_url,
     int child_id) {
   GURL origin_url = source_url.GetOrigin();
   file_system_context->OpenFileSystem(
-      origin_url, fileapi::kFileSystemTypeExternal, false,  // create
+      origin_url, fileapi::kFileSystemTypeExternal,
+      fileapi::OPEN_FILE_SYSTEM_FAIL_IF_NONEXISTENT,
       LocalFileSystemCallbackDispatcher::CreateCallback(
           this,
           file_system_context,
           child_id,
           GetExtension()));
 }
 
 bool LogoutUserFunction::RunImpl() {
   chrome::AttemptUserExit();
   return true;
@@ skipping 2556 matching lines @@
 OpenNewWindowFunction::OpenNewWindowFunction() {}
 
 OpenNewWindowFunction::~OpenNewWindowFunction() {}
 
 bool OpenNewWindowFunction::RunImpl() {
   std::string url;
   EXTENSION_FUNCTION_VALIDATE(args_->GetString(0, &url));
   file_manager_util::OpenNewWindow(profile_, GURL(url));
   return true;
 }