Stop dismissing selection handles when selection is kept

third_party/WebKit/Source/core/editing/InputMethodController.h

 /*
  * Copyright (C) 2006, 2007, 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 108 matching lines @@
   explicit InputMethodController(LocalFrame&);
 
   Editor& editor() const;
   LocalFrame& frame() const {
     DCHECK(m_frame);
     return *m_frame;
   }
 
   String composingText() const;
   void selectComposition() const;
+
+  EphemeralRange ephemeralRangeForOffsets(const PlainTextRange&) const;
+
+  // Returns true if selection offsets were successfully set.
   bool setSelectionOffsets(
       const PlainTextRange&,
       FrameSelection::SetSelectionOptions = FrameSelection::CloseTyping);
 
   void addCompositionUnderlines(const Vector<CompositionUnderline>& underlines,
                                 ContainerNode* rootEditableElement,
                                 unsigned offset);
 
   bool insertText(const String&);
   bool insertTextAndMoveCaret(const String&,
@@ skipping 19 matching lines @@
   int textInputFlags() const;
   WebTextInputMode inputModeOfFocusedElement() const;
 
   // Implements |SynchronousMutationObserver|.
   void contextDestroyed(Document*) final;
 };
 
 }  // namespace blink
 
 #endif  // InputMethodController_h