[Sync] Fixing easy lint violations.

components/sync/driver/non_blocking_data_type_controller.cc

Index: components/sync/driver/non_blocking_data_type_controller.cc
diff --git a/components/sync/driver/non_blocking_data_type_controller.cc b/components/sync/driver/non_blocking_data_type_controller.cc
index c72f31b021741071d63856ece9c1336c10768cf1..5df0fc2e5158d9edc6489c7aab4b9bf53f5b94dc 100644
--- a/components/sync/driver/non_blocking_data_type_controller.cc
+++ b/components/sync/driver/non_blocking_data_type_controller.cc
@@ -81,7 +81,7 @@ void NonBlockingDataTypeController::GetAllNodes(
   // TODO(gangwu): Casting should happen "near" where the processor factory has
   // code that instantiates a new processor.
   SharedModelTypeProcessor* processor =
-      (SharedModelTypeProcessor*)service->change_processor();
+      static_cast<SharedModelTypeProcessor*>(service->change_processor());
   RunOnModelThread(FROM_HERE,
                    base::Bind(&SharedModelTypeProcessor::GetAllNodes,
                               base::Unretained(processor),