Select All should show handles if they were already present

third_party/WebKit/Source/core/editing/SelectionController.cpp

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights
  * reserved.
  * Copyright (C) 2006 Alexey Proskuryakov (ap@webkit.org)
  * Copyright (C) 2012 Digia Plc. and/or its subsidiary(-ies)
  * Copyright (C) 2015 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ skipping 662 matching lines @@
   newSelection.setIsDirectional(isDirectional);
   const bool isHandleVisible = handleVisibility == HandleVisibility::Visible;
   if (selection().visibleSelection<EditingInFlatTreeStrategy>() ==
           newSelection &&
       selection().isHandleVisible() == isHandleVisible)
     return;
 
   const FrameSelection::SetSelectionOptions options =
       isHandleVisible
           ? FrameSelection::CloseTyping | FrameSelection::ClearTypingStyle |
-                FrameSelection::HandleVisible
+                FrameSelection::ShowHandle
           : FrameSelection::CloseTyping | FrameSelection::ClearTypingStyle;
 
   selection().setSelection(newSelection, options, CursorAlignOnScroll::IfNeeded,
                            granularity);
 }
 
 void SelectionController::setCaretAtHitTestResult(
     const HitTestResult& hitTestResult) {
   Node* innerNode = hitTestResult.innerNode();
   const VisiblePositionInFlatTree& visibleHitPos =
@@ skipping 366 matching lines @@
   return event.event().altKey() && event.isOverLink();
 }
 
 bool isExtendingSelection(const MouseEventWithHitTestResults& event) {
   bool isMouseDownOnLinkOrImage =
       event.isOverLink() || event.hitTestResult().image();
   return event.event().shiftKey() && !isMouseDownOnLinkOrImage;
 }
 
 }  // namespace blink