[SyncFS] Replace leveldb classes with LevelDBWrapper

chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc

Index: chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc
diff --git a/chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc b/chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc
index 96c49c0c363bf1eae94e45b969fcb15a87a15f80..733797a010f35df97620bb34e99d53601162c026 100644
--- a/chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc
+++ b/chrome/browser/sync_file_system/drive_backend/metadata_database_unittest.cc
@@ -12,6 +12,7 @@
 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_constants.h"
 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_test_util.h"
 #include "chrome/browser/sync_file_system/drive_backend/drive_backend_util.h"
+#include "chrome/browser/sync_file_system/drive_backend/leveldb_wrapper.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database.pb.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database_index.h"
 #include "chrome/browser/sync_file_system/drive_backend/metadata_database_index_interface.h"
@@ -216,7 +217,7 @@ class MetadataDatabaseTest : public testing::Test {
 
   void SetUpDatabaseByTrackedFiles(const TrackedFile** tracked_files,
                                    int size) {
-    scoped_ptr<leveldb::DB> db = InitializeLevelDB();
+    scoped_ptr<LevelDBWrapper> db = InitializeLevelDB();
     ASSERT_TRUE(db);
 
     for (int i = 0; i < size; ++i) {
@@ -254,7 +255,7 @@ class MetadataDatabaseTest : public testing::Test {
 
   MetadataDatabase* metadata_database() { return metadata_database_.get(); }
 
-  scoped_ptr<leveldb::DB> InitializeLevelDB() {
+  scoped_ptr<LevelDBWrapper> InitializeLevelDB() {
     leveldb::DB* db = NULL;
     leveldb::Options options;
     options.create_if_missing = true;
@@ -264,22 +265,21 @@ class MetadataDatabaseTest : public testing::Test {
         leveldb::DB::Open(options, database_dir_.path().AsUTF8Unsafe(), &db);
     EXPECT_TRUE(status.ok());
 
-    db->Put(leveldb::WriteOptions(),
-            kDatabaseVersionKey,
-            base::Int64ToString(3));
-    SetUpServiceMetadata(db);
+    scoped_ptr<LevelDBWrapper> wrapper(new LevelDBWrapper(make_scoped_ptr(db)));
 
-    return make_scoped_ptr(db);
+    wrapper->Put(kDatabaseVersionKey, base::Int64ToString(3));
+    SetUpServiceMetadata(wrapper.get());
+
+    return wrapper.Pass();
   }
 
-  void SetUpServiceMetadata(leveldb::DB* db) {
+  void SetUpServiceMetadata(LevelDBWrapper* db) {
     ServiceMetadata service_metadata;
     service_metadata.set_largest_change_id(kInitialChangeID);
     service_metadata.set_sync_root_tracker_id(kSyncRootTrackerID);
     service_metadata.set_next_tracker_id(next_tracker_id_);
-    leveldb::WriteBatch batch;
-    PutServiceMetadataToBatch(service_metadata, &batch);
-    EXPECT_TRUE(db->Write(leveldb::WriteOptions(), &batch).ok());
+    PutServiceMetadataToDB(service_metadata, db);
+    EXPECT_TRUE(db->Commit().ok());
   }
 
   FileMetadata CreateSyncRootMetadata() {
@@ -451,17 +451,15 @@ class MetadataDatabaseTest : public testing::Test {
     changes->push_back(change.release());
   }
 
-  leveldb::Status PutFileToDB(leveldb::DB* db, const FileMetadata& file) {
-    leveldb::WriteBatch batch;
-    PutFileMetadataToBatch(file, &batch);
-    return db->Write(leveldb::WriteOptions(), &batch);
+  leveldb::Status PutFileToDB(LevelDBWrapper* db, const FileMetadata& file) {
+    PutFileMetadataToDB(file, db);
+    return db->Commit();
   }
 
-  leveldb::Status PutTrackerToDB(leveldb::DB* db,
+  leveldb::Status PutTrackerToDB(LevelDBWrapper* db,
                                  const FileTracker& tracker) {
-    leveldb::WriteBatch batch;
-    PutFileTrackerToBatch(tracker, &batch);
-    return db->Write(leveldb::WriteOptions(), &batch);
+    PutFileTrackerToDB(tracker, db);
+    return db->Commit();
   }
 
   void VerifyReloadConsistency() {
@@ -746,7 +744,7 @@ TEST_F(MetadataDatabaseTest, BuildPathTest) {
   inactive_folder_tracker.set_active(false);
 
   {
-    scoped_ptr<leveldb::DB> db = InitializeLevelDB();
+    scoped_ptr<LevelDBWrapper> db = InitializeLevelDB();
     ASSERT_TRUE(db);
 
     EXPECT_TRUE(PutFileToDB(db.get(), sync_root).ok());
@@ -799,7 +797,7 @@ TEST_F(MetadataDatabaseTest, FindNearestActiveAncestorTest) {
   inactive_folder_tracker.set_active(false);
 
   {
-    scoped_ptr<leveldb::DB> db = InitializeLevelDB();
+    scoped_ptr<LevelDBWrapper> db = InitializeLevelDB();
     ASSERT_TRUE(db);
 
     EXPECT_TRUE(PutFileToDB(db.get(), sync_root).ok());