[SyncFS] Move SyncFS V1 files from drive_backend to drive_backend_v1

chrome/browser/sync_file_system/drive_backend/drive_metadata_store.h

Index: chrome/browser/sync_file_system/drive_backend/drive_metadata_store.h
diff --git a/chrome/browser/sync_file_system/drive_backend/drive_metadata_store.h b/chrome/browser/sync_file_system/drive_backend/drive_metadata_store.h
deleted file mode 100644
index 14365778c3004a378626f8f6847d75b750793479..0000000000000000000000000000000000000000
--- a/chrome/browser/sync_file_system/drive_backend/drive_metadata_store.h
+++ /dev/null
@@ -1,189 +0,0 @@
-// 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.
-
-#ifndef CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_DRIVE_METADATA_STORE_H_
-#define CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_DRIVE_METADATA_STORE_H_
-
-#include <map>
-#include <string>
-#include <utility>
-#include <vector>
-
-#include "base/callback_forward.h"
-#include "base/files/file_path.h"
-#include "base/logging.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/threading/non_thread_safe.h"
-#include "chrome/browser/sync_file_system/sync_callbacks.h"
-#include "chrome/browser/sync_file_system/sync_status_code.h"
-#include "webkit/browser/fileapi/file_system_url.h"
-
-namespace base {
-class ListValue;
-class SequencedTaskRunner;
-}
-
-namespace leveldb {
-class DB;
-class WriteBatch;
-}
-
-class GURL;
-
-namespace sync_file_system {
-
-class DriveMetadata;
-struct DBContents;
-struct FileMetadata;
-
-// This class holds a snapshot of the server side metadata.
-class DriveMetadataStore
-    : public base::NonThreadSafe,
-      public base::SupportsWeakPtr<DriveMetadataStore> {
- public:
-  typedef std::map<GURL, std::string> ResourceIdByOrigin;
-  typedef std::map<std::string, GURL> OriginByResourceId;
-  typedef std::map<base::FilePath, DriveMetadata> PathToMetadata;
-  typedef std::map<GURL, PathToMetadata> MetadataMap;
-  typedef std::vector<std::pair<fileapi::FileSystemURL, DriveMetadata> >
-      URLAndDriveMetadataList;
-  typedef base::Callback<void(SyncStatusCode status, bool created)>
-      InitializationCallback;
-
-  static const base::FilePath::CharType kDatabaseName[];
-
-  DriveMetadataStore(const base::FilePath& base_dir,
-                     base::SequencedTaskRunner* file_task_runner);
-  ~DriveMetadataStore();
-
-  // Initializes the internal database and loads its content to memory.
-  // This function works asynchronously.
-  void Initialize(const InitializationCallback& callback);
-
-  void SetLargestChangeStamp(int64 largest_changestamp,
-                             const SyncStatusCallback& callback);
-  int64 GetLargestChangeStamp() const;
-
-  // Updates database entry. Invokes |callback|, upon completion.
-  void UpdateEntry(const fileapi::FileSystemURL& url,
-                   const DriveMetadata& metadata,
-                   const SyncStatusCallback& callback);
-
-  // Deletes database entry for |url|. Invokes |callback|, upon completion.
-  void DeleteEntry(const fileapi::FileSystemURL& url,
-                   const SyncStatusCallback& callback);
-
-  // Lookups and reads the database entry for |url|.
-  SyncStatusCode ReadEntry(const fileapi::FileSystemURL& url,
-                           DriveMetadata* metadata) const;
-
-  // Marks |origin| as incremental sync and associates it with the directory
-  // identified by |resource_id|.
-  // |origin| must not already be an incremental sync origin.
-  void AddIncrementalSyncOrigin(const GURL& origin,
-                                const std::string& resource_id);
-
-  // Returns true if |origin| is an incremental sync or disabled origin.
-  bool IsKnownOrigin(const GURL& origin) const;
-
-  // Returns true if |origin| is an incremental sync origin, i.e. the origin's
-  // entire file list has been cached and is ready to apply changes
-  // incrementally.
-  bool IsIncrementalSyncOrigin(const GURL& origin) const;
-
-  // Returns true if |origin| is a disabled origin.
-  bool IsOriginDisabled(const GURL& origin) const;
-
-  void EnableOrigin(const GURL& origin,
-                    const SyncStatusCallback& callback);
-
-  void DisableOrigin(const GURL& origin,
-                     const SyncStatusCallback& callback);
-
-  void RemoveOrigin(const GURL& origin,
-                    const SyncStatusCallback& callback);
-
-  // Sets the directory identified by |resource_id| as the sync data directory.
-  // All data for the Sync FileSystem should be store into the directory.
-  void SetSyncRootDirectory(const std::string& resource_id);
-  void SetOriginRootDirectory(const GURL& origin,
-                              const std::string& resource_id);
-
-  // Returns a set of URLs for files in conflict.
-  SyncStatusCode GetConflictURLs(
-      fileapi::FileSystemURLSet* urls) const;
-
-  // Returns a set of URLs and Resource IDs for files to be fetched.
-  SyncStatusCode GetToBeFetchedFiles(URLAndDriveMetadataList* list) const;
-
-  // Returns resource id for |origin|.
-  // This may return an empty string if |origin| is not a incremental or
-  // disabled origin.
-  std::string GetResourceIdForOrigin(const GURL& origin) const;
-
-  const std::string& sync_root_directory() const {
-    DCHECK(CalledOnValidThread());
-    return sync_root_directory_resource_id_;
-  }
-
-  const ResourceIdByOrigin& incremental_sync_origins() const {
-    DCHECK(CalledOnValidThread());
-    return incremental_sync_origins_;
-  }
-
-  const ResourceIdByOrigin& disabled_origins() const {
-    DCHECK(CalledOnValidThread());
-    return disabled_origins_;
-  }
-
-  // Returns all tracked origins. i.e. incremental_sync_origins_ and
-  // disabled_origins_.
-  void GetAllOrigins(std::vector<GURL>* origins);
-
-  // Maps |resource_id| to corresponding |origin|.
-  // Returns true if the directory indicated by |resource_id| is not an origin
-  // root directory.
-  bool GetOriginByOriginRootDirectoryId(const std::string& resource_id,
-                                        GURL* origin);
-
-  // Returns all file metadata for the given origin.
-  scoped_ptr<base::ListValue> DumpFiles(const GURL& origin);
-
- private:
-  friend class DriveMetadataStoreTest;
-
-  void WriteToDB(scoped_ptr<leveldb::WriteBatch> batch,
-                 const SyncStatusCallback& callback);
-
-  void UpdateDBStatus(SyncStatusCode status);
-  void UpdateDBStatusAndInvokeCallback(const SyncStatusCallback& callback,
-                                       const leveldb::Status& status);
-  void DidInitialize(const InitializationCallback& callback,
-                     scoped_ptr<DBContents> contents);
-  void DidUpdateOrigin(const SyncStatusCallback& callback,
-                       SyncStatusCode status);
-
-  leveldb::DB* GetDBInstanceForTesting();
-
-  scoped_refptr<base::SequencedTaskRunner> file_task_runner_;
-  base::FilePath base_dir_;
-  scoped_ptr<leveldb::DB> db_;
-  SyncStatusCode db_status_;
-
-  int64 largest_changestamp_;
-  MetadataMap metadata_map_;
-
-  std::string sync_root_directory_resource_id_;
-  ResourceIdByOrigin incremental_sync_origins_;
-  ResourceIdByOrigin disabled_origins_;
-
-  OriginByResourceId origin_by_resource_id_;
-
-  DISALLOW_COPY_AND_ASSIGN(DriveMetadataStore);
-};
-
-}  // namespace sync_file_system
-
-#endif  // CHROME_BROWSER_SYNC_FILE_SYSTEM_DRIVE_BACKEND_DRIVE_METADATA_STORE_H_