Elide lifetimes where possible after rustup (#34824)

The new version of rust allows us to elide some lifetimes and clippy is
now complaining about this. This change elides them where possible and
removes the clippy exceptions.

Fixes #34804.

Signed-off-by: Martin Robinson <mrobinson@igalia.com>

components/script/layout_dom/element.rs

@@ -56,7 +56,7 @@ pub struct ServoLayoutElement<'dom> {
     element: LayoutDom<'dom, Element>,
 }
 
-impl<'dom> fmt::Debug for ServoLayoutElement<'dom> {
+impl fmt::Debug for ServoLayoutElement<'_> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         write!(f, "<{}", self.element.local_name())?;
         if let Some(id) = self.id() {
@@ -800,7 +800,7 @@ impl<'dom> ThreadSafeLayoutElement<'dom> for ServoThreadSafeLayoutElement<'dom>
 ///
 /// Note that the element implementation is needed only for selector matching,
 /// not for inheritance (styles are inherited appropriately).
-impl<'dom> ::selectors::Element for ServoThreadSafeLayoutElement<'dom> {
+impl ::selectors::Element for ServoThreadSafeLayoutElement<'_> {
     type Impl = SelectorImpl;
 
     fn opaque(&self) -> ::selectors::OpaqueElement {

components/script/layout_dom/node.rs

@@ -59,7 +59,7 @@ pub struct ServoLayoutNode<'dom> {
 unsafe impl Send for ServoLayoutNode<'_> {}
 unsafe impl Sync for ServoLayoutNode<'_> {}
 
-impl<'dom> fmt::Debug for ServoLayoutNode<'dom> {
+impl fmt::Debug for ServoLayoutNode<'_> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         if let Some(el) = self.as_element() {
             el.fmt(f)
@@ -95,7 +95,7 @@ impl<'dom> ServoLayoutNode<'dom> {
     }
 }
 
-impl<'dom> style::dom::NodeInfo for ServoLayoutNode<'dom> {
+impl style::dom::NodeInfo for ServoLayoutNode<'_> {
     fn is_element(&self) -> bool {
         self.node.is_element_for_layout()
     }
@@ -262,7 +262,7 @@ impl<'dom> ServoThreadSafeLayoutNode<'dom> {
     }
 }
 
-impl<'dom> style::dom::NodeInfo for ServoThreadSafeLayoutNode<'dom> {
+impl style::dom::NodeInfo for ServoThreadSafeLayoutNode<'_> {
     fn is_element(&self) -> bool {
         self.node.is_element()
     }

components/script/layout_dom/shadow_root.rs

@@ -18,7 +18,7 @@ pub struct ServoShadowRoot<'dom> {
     shadow_root: LayoutDom<'dom, ShadowRoot>,
 }
 
-impl<'dom> fmt::Debug for ServoShadowRoot<'dom> {
+impl fmt::Debug for ServoShadowRoot<'_> {
     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
         self.as_node().fmt(f)
     }