[fsp] Introduce file_system_provider::Service class for the FileSystemProvider API.

webkit/browser/fileapi/file_system_context.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 "webkit/browser/fileapi/file_system_context.h"
 
 #include "base/bind.h"
 #include "base/single_thread_task_runner.h"
 #include "base/stl_util.h"
 #include "base/task_runner_util.h"
@@ skipping 52 matching lines @@
   switch (type) {
     case kFileSystemTypeTemporary:
     case kFileSystemTypePersistent:
     case kFileSystemTypeSyncable:
       return FILE_PERMISSION_SANDBOX;
 
     case kFileSystemTypeDrive:
     case kFileSystemTypeNativeForPlatformApp:
     case kFileSystemTypeNativeLocal:
     case kFileSystemTypeCloudDevice:
+    case kFileSystemTypeProvided:
       return FILE_PERMISSION_USE_FILE_PERMISSION;
 
     case kFileSystemTypeRestrictedNativeLocal:
       return FILE_PERMISSION_READ_ONLY |
              FILE_PERMISSION_USE_FILE_PERMISSION;
 
     // Following types are only accessed via IsolatedFileSystem, and
     // don't have their own permission policies.
     case kFileSystemTypeDeviceMedia:
     case kFileSystemTypeDragged:
@@ skipping 472 matching lines @@
   } else if (parent != child) {
     bool result = parent.AppendRelativePath(child, &path);
     DCHECK(result);
   }
 
   operation_runner()->GetMetadata(
       url, base::Bind(&DidGetMetadataForResolveURL, path, callback, info));
 }
 
 }  // namespace fileapi