Bug 1499828 Part 5 - Don't suppress events when pausing in the middleman, r=lsmyth.

--HG--
extra : rebase_source : aa979192a153c4d32f5da8fd1927591fb1cbc262

devtools/server/actors/targets/browsing-context.js

@@ -1183,7 +1183,14 @@ const browsingContextTargetPrototype = {
       return;
     }
     const windowUtils = this.window.windowUtils;
-    windowUtils.suppressEventHandling(true);
+
+    // Events are not suppressed when running in the middleman, as we are in a
+    // different process from the debuggee and may want to process events in
+    // the middleman for e.g. the overlay drawn when rewinding.
+    if (Debugger.recordReplayProcessKind() != "Middleman") {
+      windowUtils.suppressEventHandling(true);
+    }
+
     windowUtils.suspendTimeouts();
   },
 
@@ -1197,7 +1204,9 @@ const browsingContextTargetPrototype = {
     }
     const windowUtils = this.window.windowUtils;
     windowUtils.resumeTimeouts();
-    windowUtils.suppressEventHandling(false);
+    if (Debugger.recordReplayProcessKind() != "Middleman") {
+      windowUtils.suppressEventHandling(false);
+    }
   },
 
   _changeTopLevelDocument(window) {