Handle navigation committed event

index.bs

@@ -2840,6 +2840,7 @@ BrowsingContextEvent = (
   browsingContext.HistoryUpdated //
   browsingContext.Load //
   browsingContext.NavigationAborted //
+  browsingContext.NavigationCommitted //
   browsingContext.NavigationFailed //
   browsingContext.NavigationStarted //
   browsingContext.UserPromptClosed //
@@ -5116,6 +5117,44 @@ aborted</dfn> steps given |navigable| and |navigation status|:
 
 </div>
 
+#### The browsingContext.navigationCommitted Event #### {#event-browsingContext-navigationCommitted}
+
+<dl>
+   <dt>Event Type</dt>
+   <dd>
+      <pre class="cddl local-cddl">
+        browsingContext.NavigationCommitted = (
+         method: "browsingContext.navigationCommitted",
+         params: browsingContext.NavigationInfo
+        )
+      </pre>
+   </dd>
+</dl>
+
+<div algorithm>
+The [=remote end event trigger=] is the <dfn export>WebDriver BiDi navigation
+committed</dfn> steps given |navigable| and |navigation status|:
+
+1. Let |params| be the result of [=get the navigation info=] given |navigable|
+   and |navigation status|.
+
+1. Let |body| be a [=/map=] matching the
+    <code>browsingContext.NavigationCommitted</code> production, with the
+    <code>params</code> field set to |params|.
+
+1. Let |navigation id| be |navigation status|'s id.
+
+1. Let |related navigables| be a [=/set=] containing |navigable|.
+
+1. [=Resume=] with "<code>navigation committed</code>", |navigation id|, and |navigation status|.
+
+1. For each |session| in the [=set of sessions for which an event is enabled=]
+   given "<code>browsingContext.navigationCommitted</code>" and |related navigables|:
+
+  1. [=Emit an event=] with |session| and |body|.
+
+</div>
+
 
 #### The browsingContext.navigationFailed Event #### {#event-browsingContext-navigationFailed}