[Sync] Move //sync to //components/sync.

sync/syncable/on_disk_directory_backing_store.cc

Index: sync/syncable/on_disk_directory_backing_store.cc
diff --git a/sync/syncable/on_disk_directory_backing_store.cc b/sync/syncable/on_disk_directory_backing_store.cc
deleted file mode 100644
index 3a378472e870c13dfdc64e144bcaf653e292012f..0000000000000000000000000000000000000000
--- a/sync/syncable/on_disk_directory_backing_store.cc
+++ /dev/null
@@ -1,119 +0,0 @@
-// 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 "sync/syncable/on_disk_directory_backing_store.h"
-
-#include "base/logging.h"
-#include "base/stl_util.h"
-#include "base/metrics/histogram.h"
-#include "sync/syncable/syncable-inl.h"
-
-namespace syncer {
-namespace syncable {
-
-namespace {
-
-enum HistogramResultEnum {
-  FIRST_TRY_SUCCESS,
-  SECOND_TRY_SUCCESS,
-  SECOND_TRY_FAILURE,
-  RESULT_COUNT
-};
-
-}  // namespace
-
-OnDiskDirectoryBackingStore::OnDiskDirectoryBackingStore(
-    const std::string& dir_name,
-    const base::FilePath& backing_file_path)
-    : DirectoryBackingStore(dir_name), backing_file_path_(backing_file_path) {
-  DCHECK(backing_file_path_.IsAbsolute());
-}
-
-OnDiskDirectoryBackingStore::~OnDiskDirectoryBackingStore() {
-}
-
-DirOpenResult OnDiskDirectoryBackingStore::TryLoad(
-    Directory::MetahandlesMap* handles_map,
-    JournalIndex* delete_journals,
-    MetahandleSet* metahandles_to_purge,
-    Directory::KernelLoadInfo* kernel_load_info) {
-  DCHECK(CalledOnValidThread());
-
-  if (!IsOpen()) {
-    if (!Open(backing_file_path_))
-      return FAILED_OPEN_DATABASE;
-  }
-
-  if (!InitializeTables())
-    return FAILED_OPEN_DATABASE;
-
-  if (!LoadEntries(handles_map, metahandles_to_purge))
-    return FAILED_DATABASE_CORRUPT;
-  if (!LoadDeleteJournals(delete_journals))
-    return FAILED_DATABASE_CORRUPT;
-  if (!LoadInfo(kernel_load_info))
-    return FAILED_DATABASE_CORRUPT;
-  if (!VerifyReferenceIntegrity(handles_map))
-    return FAILED_DATABASE_CORRUPT;
-
-  return OPENED;
-}
-
-DirOpenResult OnDiskDirectoryBackingStore::Load(
-    Directory::MetahandlesMap* handles_map,
-    JournalIndex* delete_journals,
-    MetahandleSet* metahandles_to_purge,
-    Directory::KernelLoadInfo* kernel_load_info) {
-  DCHECK(CalledOnValidThread());
-  DirOpenResult result = TryLoad(handles_map, delete_journals,
-                                 metahandles_to_purge, kernel_load_info);
-  if (result == OPENED) {
-    UMA_HISTOGRAM_ENUMERATION("Sync.DirectoryOpenResult", FIRST_TRY_SUCCESS,
-                              RESULT_COUNT);
-    return OPENED;
-  }
-
-  ReportFirstTryOpenFailure();
-
-  // The fallback: delete the current database and return a fresh one.  We can
-  // fetch the user's data from the cloud.
-  STLDeleteValues(handles_map);
-  STLDeleteElements(delete_journals);
-
-  ResetAndCreateConnection();
-
-  base::DeleteFile(backing_file_path_, false);
-
-  result = TryLoad(handles_map, delete_journals, metahandles_to_purge,
-                   kernel_load_info);
-  if (result == OPENED) {
-    UMA_HISTOGRAM_ENUMERATION("Sync.DirectoryOpenResult", SECOND_TRY_SUCCESS,
-                              RESULT_COUNT);
-  } else {
-    UMA_HISTOGRAM_ENUMERATION("Sync.DirectoryOpenResult", SECOND_TRY_FAILURE,
-                              RESULT_COUNT);
-  }
-
-  return result;
-}
-
-void OnDiskDirectoryBackingStore::ReportFirstTryOpenFailure() {
-  // In debug builds, the last thing we want is to silently clear the database.
-  // It's full of evidence that might help us determine what went wrong.  It
-  // might be sqlite's fault, but it could also be a bug in sync.  We crash
-  // immediately so a developer can investigate.
-  //
-  // Developers: If you're not interested in debugging this right now, just move
-  // aside the 'Sync Data' directory in your profile.  This is similar to what
-  // the code would do if this DCHECK were disabled.
-  NOTREACHED() << "Crashing to preserve corrupt sync database";
-}
-
-const base::FilePath& OnDiskDirectoryBackingStore::backing_file_path() const {
-  DCHECK(CalledOnValidThread());
-  return backing_file_path_;
-}
-
-}  // namespace syncable
-}  // namespace syncer