[InputEvent] Fire "insertCompositionText" during IME

third_party/WebKit/Source/core/editing/commands/TypingCommand.cpp

 /*
  * Copyright (C) 2005, 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 449 matching lines @@
       insertText(m_textToInsert, m_selectInsertedText, editingState);
       return;
   }
 
   NOTREACHED();
 }
 
 InputEvent::InputType TypingCommand::inputType() const {
   using InputType = InputEvent::InputType;
 
+  if (m_compositionType != TextCompositionNone)
+    return InputType::InsertCompositionText;
+
   switch (m_commandType) {
     // TODO(chongz): |DeleteSelection| is used by IME but we don't have
     // direction info.
     case DeleteSelection:
       return InputType::DeleteContentBackward;
     case DeleteKey:
-      if (m_compositionType != TextCompositionNone)
-        return InputType::DeleteComposedCharacterBackward;
       return deletionInputTypeFromTextGranularity(DeleteDirection::Backward,
                                                   m_granularity);
     case ForwardDeleteKey:
-      if (m_compositionType != TextCompositionNone)
-        return InputType::DeleteComposedCharacterForward;
       return deletionInputTypeFromTextGranularity(DeleteDirection::Forward,
                                                   m_granularity);
     case InsertText:
       return InputType::InsertText;
     case InsertLineBreak:
       return InputType::InsertLineBreak;
     case InsertParagraphSeparator:
     case InsertParagraphSeparatorInQuotedContent:
       return InputType::InsertParagraph;
     default:
@@ skipping 464 matching lines @@
   }
   NOTREACHED();
   m_preservesTypingStyle = false;
 }
 
 bool TypingCommand::isTypingCommand() const {
   return true;
 }
 
 }  // namespace blink