Replace the time crate with std::time in components/compositing (#30613)

* Replace the time crate with std::time in components/compositing

Signed-off-by: Reid Swan <reidswan@outlook.com>

* Remove elapsed_since_epoch function

---------

Signed-off-by: Reid Swan <reidswan@outlook.com>

components/compositing/compositor.rs

@@ -8,6 +8,7 @@ use std::fs::{create_dir_all, File};
 use std::io::Write;
 use std::num::NonZeroU32;
 use std::rc::Rc;
+use std::time::{SystemTime, UNIX_EPOCH};
 
 use canvas::canvas_paint_thread::ImageUpdate;
 use compositing_traits::{
@@ -42,7 +43,6 @@ use script_traits::{
 };
 use servo_geometry::{DeviceIndependentPixel, FramebufferUintLength};
 use style_traits::{CSSPixel, DevicePixel, PinchZoomFactor};
-use time::{now, precise_time_ns, precise_time_s};
 use webrender;
 use webrender::{CaptureBits, RenderApi, Transaction};
 use webrender_api::units::{
@@ -1753,7 +1753,10 @@ impl<Window: WindowMethods + ?Sized> IOCompositor<Window> {
         // we get the current time, inform the layout thread about it and remove the
         // pending metric from the list.
         if !self.pending_paint_metrics.is_empty() {
-            let paint_time = precise_time_ns();
+            let paint_time = SystemTime::now()
+                .duration_since(UNIX_EPOCH)
+                .unwrap_or_default()
+                .as_nanos() as u64;
             let mut to_remove = Vec::new();
             // For each pending paint metrics pipeline id
             for (id, pending_epoch) in &self.pending_paint_metrics {
@@ -1974,8 +1977,12 @@ impl<Window: WindowMethods + ?Sized> IOCompositor<Window> {
             return false;
         }
 
+        let now = SystemTime::now()
+            .duration_since(UNIX_EPOCH)
+            .unwrap_or_default()
+            .as_secs() as f64;
         // If a pinch-zoom happened recently, ask for tiles at the new resolution
-        if self.zoom_action && precise_time_s() - self.zoom_time > 0.3 {
+        if self.zoom_action && now - self.zoom_time > 0.3 {
             self.zoom_action = false;
         }
 
@@ -2055,7 +2062,11 @@ impl<Window: WindowMethods + ?Sized> IOCompositor<Window> {
     }
 
     pub fn capture_webrender(&mut self) {
-        let capture_id = now().to_timespec().sec.to_string();
+        let capture_id = SystemTime::now()
+            .duration_since(UNIX_EPOCH)
+            .unwrap_or_default()
+            .as_secs()
+            .to_string();
         let available_path = [env::current_dir(), Ok(env::temp_dir())]
             .iter()
             .filter_map(|val| {

components/profile_traits/time.rs

@@ -2,11 +2,12 @@
  * License, v. 2.0. If a copy of the MPL was not distributed with this
  * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
 
+use std::time::{SystemTime, UNIX_EPOCH};
+
 use ipc_channel::ipc::IpcSender;
 use log::warn;
 use serde::{Deserialize, Serialize};
 use servo_config::opts;
-use time::precise_time_ns;
 
 #[derive(Clone, Debug, Deserialize, Eq, Ord, PartialEq, PartialOrd, Serialize)]
 pub struct TimerMetadata {
@@ -138,16 +139,28 @@ where
     if opts::get().debug.signpost {
         signpost::start(category as u32, &[0, 0, 0, (category as usize) >> 4]);
     }
-    let start_time = precise_time_ns();
+    let start_time = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap_or_default()
+        .as_nanos();
 
     let val = callback();
 
-    let end_time = precise_time_ns();
+    let end_time = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap_or_default()
+        .as_nanos();
     if opts::get().debug.signpost {
         signpost::end(category as u32, &[0, 0, 0, (category as usize) >> 4]);
     }
 
-    send_profile_data(category, meta, &profiler_chan, start_time, end_time);
+    send_profile_data(
+        category,
+        meta,
+        &profiler_chan,
+        start_time as u64,
+        end_time as u64,
+    );
     val
 }