Remove logic to reset input method more than needed

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

 /*
  * Copyright (C) 2006, 2007, 2008, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
  *
  * 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
@@ skipping 1335 matching lines @@
     if (flag == m_areMarkedTextMatchesHighlighted)
         return;
 
     m_areMarkedTextMatchesHighlighted = flag;
     frame().document()->markers().repaintMarkers(DocumentMarker::TextMatch);
 }
 
 void Editor::respondToChangedSelection(const VisibleSelection& oldSelection, FrameSelection::SetSelectionOptions options)
 {
     spellChecker().respondToChangedSelection(oldSelection, options);
-    frame().inputMethodController().cancelCompositionIfSelectionIsInvalid();
     notifyComponentsOnChangedSelection();
 }
 
 SpellChecker& Editor::spellChecker() const
 {
     return frame().spellChecker();
 }
 
 void Editor::toggleOverwriteModeEnabled()
 {
@@ skipping 50 matching lines @@
 
 DEFINE_TRACE(Editor)
 {
     visitor->trace(m_frame);
     visitor->trace(m_lastEditCommand);
     visitor->trace(m_undoStack);
     visitor->trace(m_mark);
 }
 
 } // namespace blink