Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/prefs/pref_service_syncable_builder.h

Index: chrome/browser/prefs/pref_service_syncable_builder.h
diff --git a/chrome/browser/prefs/pref_service_syncable_builder.h b/chrome/browser/prefs/pref_service_syncable_builder.h
new file mode 100644
index 0000000000000000000000000000000000000000..1dfb9acac2f2f159cd1b1b1aabb96589c83f6f6a
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+++ b/chrome/browser/prefs/pref_service_syncable_builder.h
@@ -0,0 +1,42 @@
+// 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.
+
+#ifndef CHROME_BROWSER_PREFS_PREF_SERVICE_SYNCABLE_BUILDER_H_
+#define CHROME_BROWSER_PREFS_PREF_SERVICE_SYNCABLE_BUILDER_H_
+
+#include "chrome/browser/prefs/pref_service_builder.h"
+
+class CommandLine;
+class PrefServiceSyncable;
+
+namespace policy {
+class PolicyService;
+}
+
+// A PrefServiceBuilder that also knows how to build a
+// PrefServiceSyncable, and may know about Chrome concepts such as
+// PolicyService.
+class PrefServiceSyncableBuilder : public PrefServiceBuilder {
+ public:
+  PrefServiceSyncableBuilder();
+  virtual ~PrefServiceSyncableBuilder();
+
+#if defined(ENABLE_CONFIGURATION_POLICY)
+  // Set up policy pref stores using the given policy service.
+  PrefServiceSyncableBuilder& WithManagedPolicies(
+      policy::PolicyService* service);
+  PrefServiceSyncableBuilder& WithRecommendedPolicies(
+      policy::PolicyService* service);
+#endif
+
+  // Specifies to use an actual command-line backed command-line pref store.
+  PrefServiceSyncableBuilder& WithCommandLine(CommandLine* command_line);
+
+  virtual PrefServiceSyncable* CreateSyncable();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(PrefServiceSyncableBuilder);
+};
+
+#endif  // CHROME_BROWSER_PREFS_PREF_SERVICE_SYNCABLE_BUILDER_H_