Tapping handle shouldn't select misspelled word

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 1029 matching lines @@
       !(Selection()
             .ComputeVisibleSelectionInDOMTreeDeprecated()
             .IsContentEditable() ||
         (mev.InnerNode() && mev.InnerNode()->IsTextNode())))
     return;
 
   // Context menu events are always allowed to perform a selection.
   AutoReset<bool> mouse_down_may_start_select_change(
       &mouse_down_may_start_select_, true);
 
-  if (HitTestResultIsMisspelled(mev.GetHitTestResult()))
+  if (HitTestResultIsMisspelled(mev.GetHitTestResult()) &&

[yosin_UTC9, 2017/05/24 05:08:38]

It is better to check |FromTouch()| before calling |HitTestResultIsMisspelled()|
to reduce CPU usage.

[amaralp1, 2017/05/24 05:33:27]

Done.

+      !mev.Event().FromTouch())
     return SelectClosestMisspellingFromMouseEvent(mev);
 
   if (!frame_->GetEditor().Behavior().ShouldSelectOnContextualMenuClick())
     return;
 
   SelectClosestWordOrLinkFromMouseEvent(mev);
 }
 
 void SelectionController::PassMousePressEventToSubframe(
     const MouseEventWithHitTestResults& mev) {
@@ skipping 72 matching lines @@
 
 bool IsExtendingSelection(const MouseEventWithHitTestResults& event) {
   bool is_mouse_down_on_link_or_image =
       event.IsOverLink() || event.GetHitTestResult().GetImage();
   return (event.Event().GetModifiers() & WebInputEvent::Modifiers::kShiftKey) !=
              0 &&
          !is_mouse_down_on_link_or_image;
 }
 
 }  // namespace blink