[Editing][DOM][CodeHealth] Make Node::isContentEditable and Node::isRichEditable global functions.

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 2257 matching lines @@
         m_page->focusController().setActive(true);
         LocalFrame* focusedFrame = m_page->focusController().focusedFrame();
         if (focusedFrame) {
             Element* element = focusedFrame->document()->focusedElement();
             if (element && focusedFrame->selection().selection().isNone()) {
                 // If the selection was cleared while the WebView was not
                 // focused, then the focus element shows with a focus ring but
                 // no caret and does respond to keyboard inputs.
                 if (element->isTextFormControl()) {
                     element->updateFocusAppearance(SelectionBehaviorOnFocus::Restore);
-                } else if (element->isContentEditable()) {
+                } else if (isContentEditable(*element)) {
                     // updateFocusAppearance() selects all the text of
                     // contentseditable DIVs. So we set the selection explicitly
                     // instead. Note that this has the side effect of moving the
                     // caret back to the beginning of the text.
                     Position position(element, 0);
                     focusedFrame->selection().setSelection(VisibleSelection(position, SelDefaultAffinity));
                 }
             }
         }
         m_imeAcceptEvents = true;
@@ skipping 48 matching lines @@
     if (!focused->editor().canEdit() && !inputMethodController.hasComposition())
         return false;
 
     // We should verify the parent node of this IME composition node are
     // editable because JavaScript may delete a parent node of the composition
     // node. In this case, WebKit crashes while deleting texts from the parent
     // node, which doesn't exist any longer.
     const EphemeralRange range = inputMethodController.compositionEphemeralRange();
     if (range.isNotNull()) {
         Node* node = range.startPosition().computeContainerNode();
-        if (!node || !node->isContentEditable())
+        if (!node || !isContentEditable(*node))
             return false;
     }
 
     // A keypress event is canceled. If an ongoing composition exists, then the
     // keydown event should have arisen from a handled key (e.g., backspace).
     // In this case we ignore the cancellation and continue; otherwise (no
     // ongoing composition) we exit and signal success only for attempts to
     // clear the composition.
     if (m_suppressNextKeypressEvent && !inputMethodController.hasComposition())
         return text.isEmpty();
@@ skipping 177 matching lines @@
         if (toHTMLTextAreaElement(*element).isDisabledOrReadOnly())
             return WebTextInputTypeNone;
         return WebTextInputTypeTextArea;
     }
 
     if (element->isHTMLElement()) {
         if (toHTMLElement(element)->isDateTimeFieldElement())
             return WebTextInputTypeDateTimeField;
     }
 
-    if (element->isContentEditable())
+    if (isContentEditable(*element))
         return WebTextInputTypeContentEditable;
 
     return WebTextInputTypeNone;
 }
 
 int WebViewImpl::textInputFlags()
 {
     Element* element = focusedElement();
     if (!element)
         return WebTextInputFlagNone;
@@ skipping 434 matching lines @@
 
     Element* oldFocusedElement = document->focusedElement();
     document->clearFocusedElement();
     if (!oldFocusedElement)
         return;
 
     // If a text field has focus, we need to make sure the selection controller
     // knows to remove selection from it. Otherwise, the text field is still
     // processing keyboard events even though focus has been moved to the page and
     // keystrokes get eaten as a result.
-    if (oldFocusedElement->isContentEditable() || oldFocusedElement->isTextFormControl())
+    if (isContentEditable(*oldFocusedElement) || oldFocusedElement->isTextFormControl())
         localFrame->selection().clear();
 }
 
 // TODO(dglazkov): Remove and replace with Node:hasEditableStyle.
 // http://crbug.com/612560
 static bool isElementEditable(const Element* element)
 {
-    if (element->isContentEditable())
+    if (isContentEditable(*element))
         return true;
 
     if (element->isTextFormControl()) {
         const HTMLTextFormControlElement* input = toHTMLTextFormControlElement(element);
         if (!input->isDisabledOrReadOnly())
             return true;
     }
 
     return equalIgnoringCase(element->getAttribute(HTMLNames::roleAttr), "textbox");
 }
@@ skipping 1597 matching lines @@
         return nullptr;
     return focusedFrame;
 }
 
 LocalFrame* WebViewImpl::focusedLocalFrameAvailableForIme() const
 {
     return m_imeAcceptEvents ? focusedLocalFrameInWidget() : nullptr;
 }
 
 } // namespace blink