Moved JsonPrefStore to use SequencedWorkerPool

chrome/service/service_process_prefs.cc

Index: chrome/service/service_process_prefs.cc
diff --git a/chrome/service/service_process_prefs.cc b/chrome/service/service_process_prefs.cc
index 7de70a4b573e39fab97d28f3ebe7d882d2c984a3..6b61c3406e22b51d50e2445ed6e740103b5639e8 100644
--- a/chrome/service/service_process_prefs.cc
+++ b/chrome/service/service_process_prefs.cc
@@ -4,12 +4,15 @@
 
 #include "chrome/service/service_process_prefs.h"
 
+#include "base/message_loop_proxy.h"
 #include "base/values.h"
 
 ServiceProcessPrefs::ServiceProcessPrefs(
     const FilePath& pref_filename,
-    base::MessageLoopProxy* file_message_loop_proxy)
-    : prefs_(new JsonPrefStore(pref_filename, file_message_loop_proxy)) {
+    base::SequencedWorkerPool* blocking_pool)
+    : prefs_(JsonPrefStore::Create(
+        pref_filename,
+        JsonPrefStore::GetTaskRunnerForFile(pref_filename, blocking_pool))) {
 }
 
 ServiceProcessPrefs::~ServiceProcessPrefs() {}