Revert removal of grammar checking and marking code

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 696 matching lines @@
     if (cmd->inputType() != InputEvent::InputType::Paste)
         return;
     if (!spellChecker().isContinuousSpellCheckingEnabled())
         return;
     if (!SpellChecker::isSpellCheckingEnabledFor(cmd->endingSelection()))
         return;
     DCHECK(cmd->isReplaceSelectionCommand());
     const EphemeralRange& insertedRange = toReplaceSelectionCommand(cmd)->insertedRange();
     if (insertedRange.isNull())
         return;
-    spellChecker().chunkAndMarkAllMisspellings(cmd->endingSelection().rootEditableElement(), insertedRange);
+    spellChecker().chunkAndMarkAllMisspellingsAndBadGrammar(cmd->endingSelection().rootEditableElement(), insertedRange);
 }
 
 void Editor::appliedEditing(CompositeEditCommand* cmd)
 {
     EventQueueScope scope;
     frame().document()->updateStyleAndLayout();
 
     // Request spell checking after pasting before any further DOM change.
     requestSpellcheckingAfterApplyingCommand(cmd);
 
@@ skipping 678 matching lines @@
 
 DEFINE_TRACE(Editor)
 {
     visitor->trace(m_frame);
     visitor->trace(m_lastEditCommand);
     visitor->trace(m_undoStack);
     visitor->trace(m_mark);
 }
 
 } // namespace blink