style: Run rustfmt.

components/malloc_size_of/lib.rs

@@ -748,9 +748,7 @@ where
             Component::Slotted(ref selector) | Component::Host(Some(ref selector)) => {
                 selector.size_of(ops)
             },
-            Component::Is(ref list) | Component::Where(ref list) => {
+            Component::Is(ref list) | Component::Where(ref list) => list.size_of(ops),
-                list.size_of(ops)
-            },
             Component::PseudoElement(ref pseudo) => (*pseudo).size_of(ops),
             Component::Combinator(..) |
             Component::ExplicitAnyNamespace |

components/style/gecko/selector_parser.rs

@@ -14,8 +14,8 @@ use crate::string_cache::{Atom, Namespace, WeakAtom, WeakNamespace};
 use crate::values::serialize_atom_identifier;
 use cssparser::{BasicParseError, BasicParseErrorKind, Parser};
 use cssparser::{CowRcStr, SourceLocation, ToCss, Token};
-use selectors::parser::{self as selector_parser, Selector};
 use selectors::parser::SelectorParseErrorKind;
+use selectors::parser::{self as selector_parser, Selector};
 use selectors::visitor::SelectorVisitor;
 use selectors::SelectorList;
 use std::fmt;

components/style/servo/selector_parser.rs

@@ -324,7 +324,6 @@ impl ::selectors::parser::NonTSPseudoClass for NonTSPseudoClass {
     }
 }
 
-
 impl ToCss for NonTSPseudoClass {
     fn to_css<W>(&self, dest: &mut W) -> fmt::Result
     where