Bug 1696323 - Return early when attempting to focus a remote iframe whose BrowsingContext is already the focused one. r=edgar

Differential Revision: https://phabricator.services.mozilla.com/D112534

dom/ipc/BrowserBridgeChild.cpp

@@ -28,6 +28,11 @@
 
 using namespace mozilla::ipc;
 
+mozilla::LazyLogModule gBrowserChildFocusLog("BrowserChildFocus");
+
+#define LOGBROWSERCHILDFOCUS(args) \
+  MOZ_LOG(gBrowserChildFocusLog, mozilla::LogLevel::Debug, args)
+
 namespace mozilla::dom {
 
 BrowserBridgeChild::BrowserBridgeChild(BrowsingContext* aBrowsingContext,
@@ -77,6 +82,8 @@ void BrowserBridgeChild::NavigateByKey(bool aForward,
 }
 
 void BrowserBridgeChild::Activate(uint64_t aActionId) {
+  LOGBROWSERCHILDFOCUS(
+      ("BrowserBridgeChild::Activate actionid: %" PRIu64, aActionId));
   Unused << SendActivate(aActionId);
 }