Split PrefService into PrefService, PrefServiceSimple and PrefServiceSyncable.

chrome/browser/prefs/pref_service_mock_builder.cc

Index: chrome/browser/prefs/pref_service_mock_builder.cc
diff --git a/chrome/browser/prefs/pref_service_mock_builder.cc b/chrome/browser/prefs/pref_service_mock_builder.cc
index ce7f4477aeb4d536e2b78db5b49d22ca113b3681..2209c96c66b265cef75ecffdb143d2d666c2dcd3 100644
--- a/chrome/browser/prefs/pref_service_mock_builder.cc
+++ b/chrome/browser/prefs/pref_service_mock_builder.cc
@@ -15,7 +15,6 @@
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/pref_value_store.h"
 #include "content/public/browser/browser_thread.h"
-#include "ui/base/l10n/l10n_util.h"
 
 using content::BrowserThread;
 
@@ -47,10 +46,18 @@ PrefServiceMockBuilder::WithCommandLine(CommandLine* command_line) {
   return *this;
 }
 
-PrefService* PrefServiceMockBuilder::Create() {
-  PrefService* pref_service = PrefServiceBuilder::Create();
+PrefServiceSimple* PrefServiceMockBuilder::CreateSimple() {
+  PrefServiceSimple* service = new PrefServiceSimple;
+  PrefServiceBuilder::Build(service);
   ResetTestingState();
-  return pref_service;
+  return service;
+}
+
+PrefServiceSyncable* PrefServiceMockBuilder::CreateSyncable() {
+  PrefServiceSyncable* service = new PrefServiceSyncable;
+  PrefServiceBuilder::Build(service);
+  ResetTestingState();
+  return service;
 }
 
 void PrefServiceMockBuilder::ResetTestingState() {