Added DataTypeController integration and UI surfacing for syncing Search Engines.

chrome/browser/sync/profile_sync_factory.h

Index: chrome/browser/sync/profile_sync_factory.h
===================================================================
--- chrome/browser/sync/profile_sync_factory.h	(revision 98647)
+++ chrome/browser/sync/profile_sync_factory.h	(working copy)
@@ -138,6 +138,13 @@
   virtual SyncComponents CreateSessionSyncComponents(
       ProfileSyncService* profile_sync_service,
       browser_sync::UnrecoverableErrorHandler* error_handler) = 0;
+
+  // Instantiates both a model associator and change processor for the search
+  // engine data type.  The pointers in the return struct are owned by the
+  // caller.
+  virtual SyncComponents CreateSearchEngineSyncComponents(
+      ProfileSyncService* profile_sync_service,
+      browser_sync::UnrecoverableErrorHandler* error_handler) = 0;
 };
 
 #endif  // CHROME_BROWSER_SYNC_PROFILE_SYNC_FACTORY_H__