Devtools[LayoutEditor]: Pass data about property change from InspectorOverlayPage

Source/web/InspectorOverlayImpl.h

Index: Source/web/InspectorOverlayImpl.h
diff --git a/Source/web/InspectorOverlayImpl.h b/Source/web/InspectorOverlayImpl.h
index 277a5097ecefb0b18b529315f34232d7073b5b61..efe8467649126ebd2f8a2ec2997420ac770f9132 100644
--- a/Source/web/InspectorOverlayImpl.h
+++ b/Source/web/InspectorOverlayImpl.h
@@ -56,7 +56,7 @@ class Page;
 class WebViewImpl;
 class LayoutEditor;
 
-class InspectorOverlayImpl final : public NoBaseWillBeGarbageCollectedFinalized<InspectorOverlayImpl>, public InspectorOverlay, public WebPageOverlay, public InspectorOverlayHost::Listener {
+class InspectorOverlayImpl final : public NoBaseWillBeGarbageCollectedFinalized<InspectorOverlayImpl>, public InspectorOverlay, public WebPageOverlay, public InspectorOverlayHost::DebuggerListener {
     WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED(InspectorOverlayImpl);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(InspectorOverlayImpl);
 public:
@@ -83,13 +83,14 @@ public:
     void suspendUpdates() override;
     void resumeUpdates() override;
     void clear() override;
+    void setCSSAgent(InspectorCSSAgent*) override;
 
     bool handleInputEvent(const WebInputEvent&);
     void invalidate();
 private:
     explicit InspectorOverlayImpl(WebViewImpl*);
 
-    // InspectorOverlayHost::Listener implementation.
+    // InspectorOverlayHost::DebuggerListener implementation.
     void overlayResumed() override;
     void overlaySteppedOver() override;