Remove empty lines following braces.

components/util/opts.rs

@@ -471,7 +471,6 @@ const DEFAULT_USER_AGENT: UserAgent = UserAgent::Gonk;
 const DEFAULT_USER_AGENT: UserAgent = UserAgent::Desktop;
 
 pub fn default_opts() -> Opts {
-
     Opts {
         is_running_problem_test: false,
         url: Some(Url::parse("about:blank").unwrap()),

components/util/panicking.rs

@@ -28,7 +28,6 @@ pub fn set_thread_local_hook(local: Box<FnBox(&Any)>) {
 /// Initiates the custom panic hook
 /// Should be called in main() after arguments have been parsed
 pub fn initiate_panic_hook() {
-
     // Set the panic handler only once. It is global.
     HOOK_SET.call_once(|| {
         // The original backtrace-printing hook. We still want to call this

components/util/time.rs

@@ -8,7 +8,6 @@ use std::{u32, u64};
 pub const NANOS_PER_SEC: u32 = 1_000_000_000;
 
 pub fn duration_from_seconds(secs: f64) -> Duration {
-
     // Get number of seconds and check that it fits in a u64.
     let whole_secs = secs.trunc();
     assert!(whole_secs >= 0.0 && whole_secs <= u64::MAX as f64);

components/util/workqueue.rs

@@ -275,7 +275,6 @@ impl<QueueData: Sync, WorkData: Send> WorkQueue<QueueData, WorkData> {
 
         // Spawn threads.
         for (i, thread) in threads.into_iter().enumerate() {
-
             spawn_named(
                 format!("{} worker {}/{}", thread_name, i + 1, thread_count),
                 move || {