Delete the non-static CLD data source logic.

components/translate/content/common/cld_data_source.cc

-// 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.
-
-#include "components/translate/content/common/cld_data_source.h"
-
-#include "base/lazy_instance.h"
-
-namespace {
-
-// This is the global instance managed by Get/Set/SetDefault
-translate::CldDataSource* g_instance = NULL;
-
-// Global instances for the builtin data source types
-base::LazyInstance<translate::CldDataSource>::Leaky g_wrapped_static =
-    LAZY_INSTANCE_INITIALIZER;
-base::LazyInstance<translate::CldDataSource>::Leaky g_wrapped_standalone =
-    LAZY_INSTANCE_INITIALIZER;
-base::LazyInstance<translate::CldDataSource>::Leaky g_wrapped_component =
-    LAZY_INSTANCE_INITIALIZER;
-
-bool g_disable_sanity_checks_for_test = false;
-
-}  // namespace
-
-namespace translate {
-
-CldDataSource::CldDataSource() : m_cached_filepath(), m_file_lock() {
-}
-
-std::string CldDataSource::GetName() {
-  if (this == GetStaticDataSource()) return "static";
-  if (this == GetComponentDataSource()) return "component";
-  if (this == GetStandaloneDataSource()) return "standalone";
-  NOTREACHED() << "Subclass failed to override GetName()";
-  return "unknown";
-}
-
-// static
-void CldDataSource::DisableSanityChecksForTest() {
-  g_disable_sanity_checks_for_test = true;
-}
-
-// static
-void CldDataSource::EnableSanityChecksForTest() {
-  g_disable_sanity_checks_for_test = false;
-}
-
-void CldDataSource::SetCldDataFilePath(const base::FilePath& path) {
-  DCHECK(g_disable_sanity_checks_for_test ||
-         this == GetComponentDataSource() ||
-         this == GetStandaloneDataSource()) << "CLD Data Source misconfigured!";
-  base::AutoLock lock(m_file_lock);
-  m_cached_filepath = path;
-}
-
-base::FilePath CldDataSource::GetCldDataFilePath() {
-  DCHECK(g_disable_sanity_checks_for_test ||
-         this == GetComponentDataSource() ||
-         this == GetStandaloneDataSource()) << "CLD Data Source misconfigured!";
-  base::AutoLock lock(m_file_lock);
-  return m_cached_filepath;
-}
-
-// static
-void CldDataSource::SetDefault(CldDataSource* data_source) {
-  if (g_instance == NULL) Set(data_source);
-}
-
-// static
-void CldDataSource::Set(CldDataSource* data_source) {
-  g_instance = data_source;
-}
-
-// static
-CldDataSource* CldDataSource::Get() {
-  DCHECK(g_instance != NULL) << "No CLD data source was configured!";
-  if (g_instance != NULL) return g_instance;
-  return GetStaticDataSource();
-}
-
-// static
-CldDataSource* CldDataSource::GetStaticDataSource() {
-  return &g_wrapped_static.Get();
-}
-
-// static
-bool CldDataSource::IsUsingStaticDataSource() {
-  return Get()->GetName() == "static";
-}
-
-// static
-CldDataSource* CldDataSource::GetStandaloneDataSource() {
-  return &g_wrapped_standalone.Get();
-}
-
-// static
-bool CldDataSource::IsUsingStandaloneDataSource() {
-  return Get()->GetName() == "standalone";
-}
-
-// static
-CldDataSource* CldDataSource::GetComponentDataSource() {
-  return &g_wrapped_component.Get();
-}
-
-// static
-bool CldDataSource::IsUsingComponentDataSource() {
-  return Get()->GetName() == "component";
-}
-
-}  // namespace translate