Refactor ModelTypePayloadMap and ObjectIdPayloadMap to StateMaps.

sync/engine/sync_scheduler_impl.h

Index: sync/engine/sync_scheduler_impl.h
diff --git a/sync/engine/sync_scheduler_impl.h b/sync/engine/sync_scheduler_impl.h
index c86588a254a24ee947bb597635dd6fa2a66db506..e7e99a4347e0212e89508f433d219dae4e4d078b 100644
--- a/sync/engine/sync_scheduler_impl.h
+++ b/sync/engine/sync_scheduler_impl.h
@@ -20,7 +20,7 @@
 #include "sync/engine/nudge_source.h"
 #include "sync/engine/sync_scheduler.h"
 #include "sync/engine/syncer.h"
-#include "sync/internal_api/public/base/model_type_payload_map.h"
+#include "sync/internal_api/public/base/model_type_state_map.h"
 #include "sync/internal_api/public/engine/polling_constants.h"
 #include "sync/internal_api/public/util/weak_handle.h"
 #include "sync/sessions/sync_session.h"
@@ -47,9 +47,9 @@ class SyncSchedulerImpl : public SyncScheduler {
       NudgeSource source,
       ModelTypeSet types,
       const tracked_objects::Location& nudge_location) OVERRIDE;
-  virtual void ScheduleNudgeWithPayloadsAsync(
+  virtual void ScheduleNudgeWithStatesAsync(
       const base::TimeDelta& delay, NudgeSource source,
-      const ModelTypePayloadMap& types_with_payloads,
+      const ModelTypeStateMap& type_state_map,
       const tracked_objects::Location& nudge_location) OVERRIDE;
   virtual void SetNotificationsEnabled(bool notifications_enabled) OVERRIDE;
 
@@ -252,7 +252,7 @@ class SyncSchedulerImpl : public SyncScheduler {
   void ScheduleNudgeImpl(
       const base::TimeDelta& delay,
       sync_pb::GetUpdatesCallerInfo::GetUpdatesSource source,
-      const ModelTypePayloadMap& types_with_payloads,
+      const ModelTypeStateMap& type_state_map,
       bool is_canary_job, const tracked_objects::Location& nudge_location);
 
   // Returns true if the client is currently in exponential backoff.