Remove some dead code.

chrome/browser/media_gallery/media_gallery_database.cc

Index: chrome/browser/media_gallery/media_gallery_database.cc
diff --git a/chrome/browser/media_gallery/media_gallery_database.cc b/chrome/browser/media_gallery/media_gallery_database.cc
deleted file mode 100644
index 19f964c794d157dac73d102f7e2971bf72d9a980..0000000000000000000000000000000000000000
--- a/chrome/browser/media_gallery/media_gallery_database.cc
+++ /dev/null
@@ -1,194 +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 "chrome/browser/media_gallery/media_gallery_database.h"
-
-#include <algorithm>
-#include <string>
-
-#include "base/file_path.h"
-#include "base/logging.h"
-#include "sql/statement.h"
-#include "sql/transaction.h"
-
-#if defined(OS_WIN)
-#include "base/string_util.h"
-#include "base/sys_string_conversions.h"
-#endif  // OS_WIN
-
-#define MEDIA_GALLERY_COLLECTION_ROW_FIELDS \
-    " collections.id, collections.path, collections.last_modified_time, " \
-    "collections.entry_count, collections.all_parsed "
-
-namespace chrome {
-
-namespace {
-
-const int kCurrentVersionNumber = 1;
-const int kCompatibleVersionNumber = 1;
-const base::FilePath::CharType kMediaGalleryDatabaseName[] =
-    FILE_PATH_LITERAL(".media_gallery.db");
-
-}  // namespace
-
-MediaGalleryDatabase::MediaGalleryDatabase() { }
-
-MediaGalleryDatabase::~MediaGalleryDatabase() { }
-
-sql::InitStatus MediaGalleryDatabase::Init(const base::FilePath& database_dir) {
-  db_.set_error_histogram_name("Sqlite.MediaGallery.Error");
-
-  // Set the database page size to something a little larger to give us
-  // better performance (we're typically seek rather than bandwidth limited).
-  // This only has an effect before any tables have been created, otherwise
-  // this is a NOP. Must be a power of 2 and a max of 8192.
-  db_.set_page_size(4096);
-
-  // Increase the cache size. The page size, plus a little extra, times this
-  // value, tells us how much memory the cache will use maximum.
-  // 6000 * 4KB = 24MB
-  db_.set_cache_size(6000);
-
-  if (!db_.Open(database_dir.Append(base::FilePath(kMediaGalleryDatabaseName))))
-    return sql::INIT_FAILURE;
-
-  return InitInternal(&db_);
-}
-
-sql::InitStatus MediaGalleryDatabase::InitInternal(sql::Connection* db) {
-  // Wrap the rest of init in a tranaction. This will prevent the database from
-  // getting corrupted if we crash in the middle of initialization or migration.
-  sql::Transaction committer(db);
-  if (!committer.Begin())
-    return sql::INIT_FAILURE;
-
-  // Prime the cache.
-  db->Preload();
-
-  // Create the tables and indices.
-  if (!meta_table_.Init(db, GetCurrentVersion(), kCompatibleVersionNumber))
-    return sql::INIT_FAILURE;
-
-  if (!CreateCollectionsTable(db))
-    return sql::INIT_FAILURE;
-
-  // Version check.
-  sql::InitStatus version_status = EnsureCurrentVersion();
-  if (version_status != sql::INIT_OK)
-    return version_status;
-
-  return committer.Commit() ? sql::INIT_OK : sql::INIT_FAILURE;
-}
-
-sql::Connection& MediaGalleryDatabase::GetDB() {
-  return db_;
-}
-
-sql::InitStatus MediaGalleryDatabase::EnsureCurrentVersion() {
-  // We can't read databases newer than we were designed for.
-  if (meta_table_.GetCompatibleVersionNumber() > kCurrentVersionNumber) {
-    VLOG(1) << "Media Gallery database is too new.";
-    return sql::INIT_TOO_NEW;
-  }
-  int cur_version = meta_table_.GetVersionNumber();
-  if (cur_version == 0) {
-    DVLOG(1) << "Initializing the Media Gallery database.";
-
-    ++cur_version;
-    meta_table_.SetVersionNumber(cur_version);
-    meta_table_.SetCompatibleVersionNumber(
-        std::min(cur_version, kCompatibleVersionNumber));
-  }
-  return sql::INIT_OK;
-}
-
-// static
-int MediaGalleryDatabase::GetCurrentVersion() {
-  return kCurrentVersionNumber;
-}
-
-CollectionId MediaGalleryDatabase::CreateCollectionRow(
-    CollectionRow* row) {
-  const char* sql = "INSERT INTO collections"
-      "(path, last_modified_time, entry_count, all_parsed) "
-      "VALUES(?, ?, ?, ?)";
-
-  sql::Statement statement(GetDB().GetCachedStatement(SQL_FROM_HERE, sql));
-#if defined(OS_WIN)
-  // We standardize on UTF8 encoding for paths.
-  std::string path(base::SysWideToUTF8(row->path.value()));
-#elif defined(OS_POSIX)
-  std::string path(row->path.value());
-#endif
-
-#if defined(FILE_PATH_USES_WIN_SEPARATORS)
-  // We standardize on POSIX-style paths, since any platform can understand
-  // them.
-  ReplaceChars(path, "\\", "/", &path);
-#endif  // FILE_PATH_USES_WIN_SEPARATORS
-
-  statement.BindString(0, path.c_str());
-  statement.BindInt64(1, row->last_modified_time.ToInternalValue());
-  statement.BindInt(2, row->entry_count);
-  statement.BindInt(3, row->all_parsed ? 1 : 0);
-
-  if (!statement.Run()) {
-    VLOG(0) << "Failed to add collection " << row->path.value()
-            << " to table media_gallery.collections";
-    return 0;
-  }
-  return row->id = GetDB().GetLastInsertRowId();
-}
-
-bool MediaGalleryDatabase::GetCollectionRow(CollectionId id,
-                                            CollectionRow* row) {
-  sql::Statement statement(GetDB().GetCachedStatement(SQL_FROM_HERE,
-      "SELECT" MEDIA_GALLERY_COLLECTION_ROW_FIELDS
-      "FROM collections WHERE id=?"));
-  statement.BindInt64(0, id);
-
-  if (statement.Step()) {
-    FillCollectionRow(statement, row);
-    return true;
-  }
-  return false;
-}
-
-// Convenience method to fill a row from a statement. Must be in sync with the
-// columns in MEDIA_GALLERY_COLLECTION_ROW_FIELDS
-void MediaGalleryDatabase::FillCollectionRow(const sql::Statement& statement,
-                                             CollectionRow* row) {
-  row->id = statement.ColumnInt64(0);
-#if defined(OS_WIN)
-  row->path = base::FilePath(base::SysUTF8ToWide(statement.ColumnString(1)));
-#elif defined(OS_POSIX)
-  row->path = base::FilePath(statement.ColumnString(1));
-#endif  // OS_WIN
-  row->last_modified_time = base::Time::FromInternalValue(
-      statement.ColumnInt64(2));
-  row->entry_count = statement.ColumnInt(3);
-  row->all_parsed = statement.ColumnInt(4) != 0;
-}
-
-// static
-bool MediaGalleryDatabase::DoesCollectionsTableExist(sql::Connection *db) {
-  return db->DoesTableExist("collections");
-}
-
-// static
-bool MediaGalleryDatabase::CreateCollectionsTable(sql::Connection* db) {
-  if (DoesCollectionsTableExist(db))
-    return true;
-
-  // TODO(tpayne): Add unique constraint on path once we standardize on path
-  // format.
-  return db->Execute("CREATE TABLE collections"
-                     "(id INTEGER PRIMARY KEY,"
-                     " path LONGVARCHAR NOT NULL,"
-                     " last_modified_time INTEGER NOT NULL,"
-                     " entry_count INTEGER DEFAULT 0 NOT NULL,"
-                     " all_parsed INTEGER DEFAULT 0 NOT NULL)");
-}
-
-}  // namespace chrome