[fsp] Add the getMetadata operation.

chrome/browser/chromeos/fileapi/file_system_backend.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/fileapi/file_system_backend.h"
 
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/chromeos/fileapi/file_access_permissions.h"
@@ skipping 63 matching lines @@
 }
 
 bool FileSystemBackend::CanHandleType(fileapi::FileSystemType type) const {
   switch (type) {
     case fileapi::kFileSystemTypeExternal:
     case fileapi::kFileSystemTypeDrive:
     case fileapi::kFileSystemTypeRestrictedNativeLocal:
     case fileapi::kFileSystemTypeNativeLocal:
     case fileapi::kFileSystemTypeNativeForPlatformApp:
     case fileapi::kFileSystemTypeDeviceMediaAsFileStorage:
+    case fileapi::kFileSystemTypeProvided:
       return true;
     default:
       return false;
   }
 }
 
 void FileSystemBackend::Initialize(fileapi::FileSystemContext* context) {
 }
 
 void FileSystemBackend::ResolveURL(const fileapi::FileSystemURL& url,
@@ skipping 166 matching lines @@
   if (url.type() == fileapi::kFileSystemTypeDeviceMediaAsFileStorage) {
     // MTP file operations run on MediaTaskRunner.
     return fileapi::FileSystemOperation::Create(
         url, context,
         make_scoped_ptr(new fileapi::FileSystemOperationContext(
             context, MediaFileSystemBackend::MediaTaskRunner())));
   }
 
   DCHECK(url.type() == fileapi::kFileSystemTypeNativeLocal ||
          url.type() == fileapi::kFileSystemTypeRestrictedNativeLocal ||
-         url.type() == fileapi::kFileSystemTypeDrive);
+         url.type() == fileapi::kFileSystemTypeDrive ||
+         url.type() == fileapi::kFileSystemTypeProvided);
   return fileapi::FileSystemOperation::Create(
       url, context,
       make_scoped_ptr(new fileapi::FileSystemOperationContext(context)));
 }
 
 bool FileSystemBackend::SupportsStreaming(
     const fileapi::FileSystemURL& url) const {
   return url.type() == fileapi::kFileSystemTypeDrive;
 }
 
@@ skipping 62 matching lines @@
 }
 
 bool FileSystemBackend::GetVirtualPath(
     const base::FilePath& filesystem_path,
     base::FilePath* virtual_path) {
   return mount_points_->GetVirtualPath(filesystem_path, virtual_path) ||
          system_mount_points_->GetVirtualPath(filesystem_path, virtual_path);
 }
 
 }  // namespace chromeos