sync: Remove ClearUserData command.

sync/internal_api/sync_manager.cc

Index: sync/internal_api/sync_manager.cc
diff --git a/sync/internal_api/sync_manager.cc b/sync/internal_api/sync_manager.cc
index cff524d520a4a76854b55176b79160a282263329..fdfe229a4121cda860e6a83e62cedf96949393f7 100644
--- a/sync/internal_api/sync_manager.cc
+++ b/sync/internal_api/sync_manager.cc
@@ -826,12 +826,6 @@ void SyncManager::RequestCleanupDisabledTypes(
   }
 }
 
-void SyncManager::RequestClearServerData() {
-  DCHECK(thread_checker_.CalledOnValidThread());
-  if (data_->scheduler())
-    data_->scheduler()->ClearUserData();
-}
-
 void SyncManager::RequestConfig(
     const browser_sync::ModelSafeRoutingInfo& routing_info,
     const ModelTypeSet& types, ConfigureReason reason) {
@@ -2056,18 +2050,6 @@ void SyncManager::SyncInternal::OnSyncEngineEvent(
     return;
   }
 
-  if (event.what_happened == SyncEngineEvent::CLEAR_SERVER_DATA_SUCCEEDED) {
-    FOR_EACH_OBSERVER(SyncManager::Observer, observers_,
-                      OnClearServerDataSucceeded());
-    return;
-  }
-
-  if (event.what_happened == SyncEngineEvent::CLEAR_SERVER_DATA_FAILED) {
-    FOR_EACH_OBSERVER(SyncManager::Observer, observers_,
-                      OnClearServerDataFailed());
-    return;
-  }
-
   if (event.what_happened == SyncEngineEvent::UPDATED_TOKEN) {
     FOR_EACH_OBSERVER(SyncManager::Observer, observers_,
                       OnUpdatedToken(event.updated_token));