Remove IME API from Blink

Source/core/dom/Element.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  *           (C) 2001 Peter Kelly (pmk@post.com)
  *           (C) 2001 Dirk Mueller (mueller@kde.org)
  *           (C) 2007 David Smith (catfish.man@gmail.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2012, 2013 Apple Inc. All rights reserved.
  *           (C) 2007 Eric Seidel (eric@webkit.org)
  *
  * This library is free software; you can redistribute it and/or
@@ skipping 3218 matching lines @@
 void Element::createUniqueElementData()
 {
     if (!m_elementData)
         m_elementData = UniqueElementData::create();
     else {
         ASSERT(!m_elementData->isUnique());
         m_elementData = toShareableElementData(m_elementData)->makeUniqueCopy();
     }
 }
 
-InputMethodContext& Element::inputMethodContext()
-{
-    return ensureElementRareData().ensureInputMethodContext(toHTMLElement(this));
-}
-
-bool Element::hasInputMethodContext() const
-{
-    return hasRareData() && elementRareData()->hasInputMethodContext();
-}
-
 void Element::synchronizeStyleAttributeInternal() const
 {
     ASSERT(isStyledElement());
     ASSERT(elementData());
     ASSERT(elementData()->m_styleAttributeIsDirty);
     elementData()->m_styleAttributeIsDirty = false;
     const StylePropertySet* inlineStyle = this->inlineStyle();
     const_cast<Element*>(this)->setSynchronizedLazyAttribute(styleAttr,
         inlineStyle ? AtomicString(inlineStyle->asText()) : nullAtom);
 }
@@ skipping 186 matching lines @@
 {
 #if ENABLE(OILPAN)
     if (hasRareData())
         visitor->trace(elementRareData());
     visitor->trace(m_elementData);
 #endif
     ContainerNode::trace(visitor);
 }
 
 } // namespace blink