Support for file listing in privet local filesystem

chrome/browser/local_discovery/storage/privet_filesystem_async_util.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_LOCAL_DISCOVERY_STORAGE_PRIVET_FILESYSTEM_ASYNC_UTIL_H_
 #define CHROME_BROWSER_LOCAL_DISCOVERY_STORAGE_PRIVET_FILESYSTEM_ASYNC_UTIL_H_
 
+#include <set>
+
+#include "chrome/browser/local_discovery/storage/privet_filesystem_operations.h"
+#include "content/public/browser/browser_context.h"
 #include "webkit/browser/fileapi/async_file_util.h"
 
 namespace local_discovery {
 
-class PrivetFileSystemAsyncUtil : public fileapi::AsyncFileUtil {
+class PrivetFileSystemAsyncUtil
+    : public fileapi::AsyncFileUtil,
+      public PrivetFileSystemAsyncOperationContainer {
  public:
+  explicit PrivetFileSystemAsyncUtil(content::BrowserContext* browser_context);
+  virtual ~PrivetFileSystemAsyncUtil();
+
   virtual void CreateOrOpen(
       scoped_ptr<fileapi::FileSystemOperationContext> context,
       const fileapi::FileSystemURL& url,
       int file_flags,
       const CreateOrOpenCallback& callback) OVERRIDE;
   virtual void EnsureFileExists(
       scoped_ptr<fileapi::FileSystemOperationContext> context,
       const fileapi::FileSystemURL& url,
       const EnsureFileExistsCallback& callback) OVERRIDE;
   virtual void CreateDirectory(
@@ skipping 48 matching lines @@
       const fileapi::FileSystemURL& url,
       const StatusCallback& callback) OVERRIDE;
   virtual void DeleteRecursively(
       scoped_ptr<fileapi::FileSystemOperationContext> context,
       const fileapi::FileSystemURL& url,
       const StatusCallback& callback) OVERRIDE;
   virtual void CreateSnapshotFile(
       scoped_ptr<fileapi::FileSystemOperationContext> context,
       const fileapi::FileSystemURL& url,
       const CreateSnapshotFileCallback& callback) OVERRIDE;
+
+
+  virtual void RemoveOperation(
+      PrivetFileSystemAsyncOperation* operation) OVERRIDE;
+  virtual void RemoveAllOperations() OVERRIDE;
+
+ private:
+
+  std::set<PrivetFileSystemAsyncOperation*> async_operations_;
+  content::BrowserContext* browser_context_;
 };
 
 }  // namespace local_discovery
 
 #endif  // CHROME_BROWSER_LOCAL_DISCOVERY_STORAGE_PRIVET_FILESYSTEM_ASYNC_UTIL_H_