Strict import formatting (grouping and granularity) (#30325)

* strict imports formatting

* Reformat all imports

components/config/opts.rs

@@ -5,6 +5,14 @@
 //! Configuration options for a single run of the servo application. Created
 //! from command line arguments.
 
+use std::default::Default;
+use std::fs::{self, File};
+use std::io::{self, Read, Write};
+use std::path::{Path, PathBuf};
+use std::sync::atomic::{AtomicBool, Ordering};
+use std::sync::{RwLock, RwLockReadGuard};
+use std::{env, process};
+
 use euclid::Size2D;
 use getopts::{Matches, Options};
 use lazy_static::lazy_static;
@@ -12,14 +20,6 @@ use log::error;
 use serde::{Deserialize, Serialize};
 use servo_geometry::DeviceIndependentPixel;
 use servo_url::ServoUrl;
-use std::default::Default;
-use std::env;
-use std::fs::{self, File};
-use std::io::{self, Read, Write};
-use std::path::{Path, PathBuf};
-use std::process;
-use std::sync::atomic::{AtomicBool, Ordering};
-use std::sync::{RwLock, RwLockReadGuard};
 use url::{self, Url};
 
 use crate::{pref, set_pref};

components/config/pref_util.rs

@@ -2,13 +2,14 @@
  * 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 serde::{Deserialize, Serialize};
-use serde_json::Value;
 use std::collections::HashMap;
 use std::fmt;
 use std::str::FromStr;
 use std::sync::RwLock;
 
+use serde::{Deserialize, Serialize};
+use serde_json::Value;
+
 #[derive(Clone, Debug, Deserialize, PartialEq, Serialize)]
 pub enum PrefValue {
     Float(f64),

components/config/prefs.rs

@@ -2,15 +2,16 @@
  * 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 embedder_traits::resources::{self, Resource};
-use lazy_static::lazy_static;
-use serde_json::{self, Value};
 use std::borrow::ToOwned;
 use std::collections::HashMap;
 
+use embedder_traits::resources::{self, Resource};
+use gen::Prefs;
+use lazy_static::lazy_static;
+use serde_json::{self, Value};
+
 use crate::pref_util::Preferences;
 pub use crate::pref_util::{PrefError, PrefValue};
-use gen::Prefs;
 
 lazy_static! {
     static ref PREFS: Preferences<'static, Prefs> = {

components/config/tests/prefs.rs

@@ -2,14 +2,15 @@
  * 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 servo_config::basedir;
-use servo_config::pref_util::Preferences;
-use servo_config::prefs::{read_prefs_map, PrefValue};
 use std::collections::HashMap;
 use std::error::Error;
 use std::fs::{self, File};
 use std::io::{Read, Write};
 
+use servo_config::basedir;
+use servo_config::pref_util::Preferences;
+use servo_config::prefs::{read_prefs_map, PrefValue};
+
 #[test]
 fn test_create_prefs_map() {
     let json_str = "{