Move common PVer4 code into a V4ProtocolManagerUtil class.

chrome/browser/safe_browsing/local_database_manager.cc

Index: chrome/browser/safe_browsing/local_database_manager.cc
diff --git a/chrome/browser/safe_browsing/local_database_manager.cc b/chrome/browser/safe_browsing/local_database_manager.cc
index 6a022871a677f283990a7aab08bda029a15fe927..0787f804fa61726069fd1c496faf8617603ee57a 100644
--- a/chrome/browser/safe_browsing/local_database_manager.cc
+++ b/chrome/browser/safe_browsing/local_database_manager.cc
@@ -272,13 +272,13 @@ void LocalSafeBrowsingDatabaseManager::SafeBrowsingCheck::
 
 LocalSafeBrowsingDatabaseManager::LocalSafeBrowsingDatabaseManager(
     const scoped_refptr<SafeBrowsingService>& service) :
-    LocalSafeBrowsingDatabaseManager(service, NULL, V4GetHashProtocolConfig()) {
+    LocalSafeBrowsingDatabaseManager(service, NULL, V4ProtocolConfig()) {
 }
 
 LocalSafeBrowsingDatabaseManager::LocalSafeBrowsingDatabaseManager(
     const scoped_refptr<SafeBrowsingService>& service,
     net::URLRequestContextGetter* request_context_getter,
-    const V4GetHashProtocolConfig& config)
+    const V4ProtocolConfig& config)
     : SafeBrowsingDatabaseManager(request_context_getter, config),
       sb_service_(service),
       database_(NULL),