Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/prefs/chrome_pref_service_builder.cc

 // 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/prefs/chrome_pref_service_builder.h"
 
 #include "base/bind.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/metrics/histogram.h"
@@ skipping 53 matching lines @@
   return static_cast<Profile*>(context)->GetPrefs();
 }
 
 ChromePrefServiceBuilder::ChromePrefServiceBuilder() {
   ResetDefaultState();
 }
 
 ChromePrefServiceBuilder::~ChromePrefServiceBuilder() {
 }
 
-PrefService* ChromePrefServiceBuilder::CreateChromePrefs(
+PrefServiceSimple* ChromePrefServiceBuilder::CreateLocalState(
     const FilePath& pref_filename,
     base::SequencedTaskRunner* pref_io_task_runner,
     policy::PolicyService* policy_service,
+    PrefStore* extension_prefs,
+    bool async) {
+  PrefService* pref_service = Build(new PrefServiceSimple);
+  ResetDefaultState();
+  return static_cast<PrefServiceSimple*>(pref_service);
+}
+
+PrefServiceSyncable* ChromePrefServiceBuilder::CreateProfilePrefs(
+    const FilePath& pref_filename,
+    base::SequencedTaskRunner* pref_io_task_runner,
+    policy::PolicyService* policy_service,
+    PrefStore* extension_prefs,
+    bool async) {
+  PrefService* pref_service = Build(new PrefServiceSyncable);
+  ResetDefaultState();
+  return static_cast<PrefServiceSyncable*>(pref_service);
+}
+
+void ChromePrefServiceBuilder::BuildImpl(
+    const FilePath& pref_filename,
+    base::SequencedTaskRunner* pref_io_task_runner,
+    policy::PolicyService* policy_service,
     PrefStore* extension_prefs,
     bool async) {
 #if defined(OS_LINUX)
   // We'd like to see what fraction of our users have the preferences
   // stored on a network file system, as we've had no end of troubles
   // with NFS/AFS.
   // TODO(evanm): remove this once we've collected state.
   file_util::FileSystemType fstype;
   if (file_util::GetFileSystemType(pref_filename.DirName(), &fstype)) {
     UMA_HISTOGRAM_ENUMERATION("PrefService.FileSystemType",
                               static_cast<int>(fstype),
                               file_util::FILE_SYSTEM_TYPE_COUNT);
   }
 #endif
 
 #if defined(ENABLE_CONFIGURATION_POLICY)
   using policy::ConfigurationPolicyPrefStore;
   WithManagedPrefs(
       ConfigurationPolicyPrefStore::CreateMandatoryPolicyPrefStore(
           policy_service));
   WithRecommendedPrefs(
       ConfigurationPolicyPrefStore::CreateRecommendedPolicyPrefStore(
           policy_service));
 #endif  // ENABLE_CONFIGURATION_POLICY
 
   WithAsync(async);
   WithCommandLinePrefs(
       new CommandLinePrefStore(CommandLine::ForCurrentProcess()));
   WithUserPrefs(new JsonPrefStore(pref_filename, pref_io_task_runner));
-
-  PrefService* pref_service = Create();
-  ResetDefaultState();
-  return pref_service;
 }
 
 void ChromePrefServiceBuilder::ResetDefaultState() {
   WithLocalizedStringMethod(base::Bind(&l10n_util::GetStringUTF8));
   WithReadErrorCallback(base::Bind(&HandleReadError));
-  WithSyncAssociator(new PrefModelAssociator());
 }