Delete InvalidationReason.

sky/engine/core/editing/FrameSelection.cpp

Index: sky/engine/core/editing/FrameSelection.cpp
diff --git a/sky/engine/core/editing/FrameSelection.cpp b/sky/engine/core/editing/FrameSelection.cpp
index 4d09f7b36b45cec76a70355e7bec50ad80cd7cc9..07c8186eb915821ef8308d6e078d32731a10ea4a 100644
--- a/sky/engine/core/editing/FrameSelection.cpp
+++ b/sky/engine/core/editing/FrameSelection.cpp
@@ -1372,12 +1372,6 @@ void FrameSelection::focusedOrActiveStateChanged()
     RefPtr<Document> document = m_frame->document();
     document->updateRenderTreeIfNeeded();
 
-    // Because RenderObject::selectionBackgroundColor() and
-    // RenderObject::selectionForegroundColor() check if the frame is active,
-    // we have to update places those colors were painted.
-    if (RenderView* view = document->renderView())
-        view->invalidatePaintForSelection();
-
     // Caret appears in the active frame.
     if (activeAndFocused)
         setSelectionFromNone();