Implement sync in the NonBlockingTypeProcessor

sync/engine/non_blocking_type_processor_core.h

Index: sync/engine/non_blocking_type_processor_core.h
diff --git a/sync/engine/non_blocking_type_processor_core.h b/sync/engine/non_blocking_type_processor_core.h
index c9cec886b479b3e6fd3846714dfeaae6338ad349..e2263499562f82fe9515b0455ee40b79ac155636 100644
--- a/sync/engine/non_blocking_type_processor_core.h
+++ b/sync/engine/non_blocking_type_processor_core.h
@@ -9,6 +9,7 @@
 #include "base/threading/non_thread_safe.h"
 #include "sync/base/sync_export.h"
 #include "sync/engine/commit_contributor.h"
+#include "sync/engine/non_blocking_sync_common.h"
 #include "sync/engine/update_handler.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/protocol/sync.pb.h"
@@ -67,6 +68,9 @@ class SYNC_EXPORT NonBlockingTypeProcessorCore
   virtual void ApplyUpdates(sessions::StatusController* status) OVERRIDE;
   virtual void PassiveApplyUpdates(sessions::StatusController* status) OVERRIDE;
 
+  // Entry point for NonBlockingTypeProcessor to send commit requests.
+  void RequestCommits(const CommitRequestDataList& request_list);
+
   // CommitContributor implementation.
   virtual scoped_ptr<CommitContribution> GetContribution(
       size_t max_entries) OVERRIDE;