Use try syntax for Option where appropriate

1 files changed, 8 insertions, 16 deletions

diff --git a/components/script/dom/window.rs b/components/script/dom/window.rs
index 422abd7079e..58d463cc2a3 100644
--- a/components/script/dom/window.rs
+++ b/components/script/dom/window.rs
@@ -592,15 +592,11 @@ impl WindowMethods for Window {
     // https://html.spec.whatwg.org/multipage/#dom-frameelement
     fn GetFrameElement(&self) -> Option<DomRoot<Element>> {
         // Steps 1-3.
-        let window_proxy = match self.window_proxy.get() {
-            None => return None,
-            Some(window_proxy) => window_proxy,
-        };
+        let window_proxy = self.window_proxy.get()?;
+
         // Step 4-5.
-        let container = match window_proxy.frame_element() {
-            None => return None,
-            Some(container) => container,
-        };
+        let container = window_proxy.frame_element()?;
+
         // Step 6.
         let container_doc = document_from_node(container);
         let current_doc = GlobalScope::current().expect("No current global object").as_window().Document();
@@ -688,10 +684,8 @@ impl WindowMethods for Window {
     // https://html.spec.whatwg.org/multipage/#dom-parent
     fn GetParent(&self) -> Option<DomRoot<WindowProxy>> {
         // Steps 1-3.
-        let window_proxy = match self.undiscarded_window_proxy() {
-            Some(window_proxy) => window_proxy,
-            None => return None,
-        };
+        let window_proxy = self.undiscarded_window_proxy()?;
+
         // Step 4.
         if let Some(parent) = window_proxy.parent() {
             return Some(DomRoot::from_ref(parent));
@@ -703,10 +697,8 @@ impl WindowMethods for Window {
     // https://html.spec.whatwg.org/multipage/#dom-top
     fn GetTop(&self) -> Option<DomRoot<WindowProxy>> {
         // Steps 1-3.
-        let window_proxy = match self.undiscarded_window_proxy() {
-            Some(window_proxy) => window_proxy,
-            None => return None,
-        };
+        let window_proxy = self.undiscarded_window_proxy()?;
+
         // Steps 4-5.
         Some(DomRoot::from_ref(window_proxy.top()))
     }