Rename and use --max-heap-pages parameter (#1666)

substrate/core/client/src/genesis.rs

@@ -54,7 +54,7 @@ mod tests {
 	native_executor_instance!(Executor, test_client::runtime::api::dispatch, test_client::runtime::native_version, include_bytes!("../../test-runtime/wasm/target/wasm32-unknown-unknown/release/substrate_test_runtime.compact.wasm"));
 
 	fn executor() -> executor::NativeExecutor<Executor> {
-		NativeExecutionDispatch::new()
+		NativeExecutionDispatch::new(None)
 	}
 
 	fn construct_block(
@@ -207,7 +207,7 @@ mod tests {
 			&backend,
 			Some(&InMemoryChangesTrieStorage::new()),
 			&mut overlay,
-			&Executor::new(),
+			&Executor::new(None),
 			"Core_execute_block",
 			&b1data,
 			ExecutionStrategy::NativeWhenPossible,