Reland: Made content editables report the caret and text selection by treating them as text controls

Source/modules/accessibility/AXObject.cpp

 /*
  * Copyright (C) 2008, 2009, 2011 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
@@ skipping 435 matching lines @@
 
 bool AXObject::isPasswordFieldAndShouldHideValue() const
 {
     Settings* settings = document()->settings();
     if (!settings || settings->accessibilityPasswordValuesEnabled())
         return false;
 
     return isPasswordField();
 }
 
-bool AXObject::isTextControl() const
-{
-    switch (roleValue()) {
-    case TextFieldRole:
-    case ComboBoxRole:
-    case SearchBoxRole:
-        return true;
-    default:
-        return false;
-    }
-}
-
 bool AXObject::isClickable() const
 {
     switch (roleValue()) {
     case ButtonRole:
     case CheckBoxRole:
     case ColorWellRole:
     case ComboBoxRole:
     case ImageMapLinkRole:
     case LinkRole:
     case ListBoxOptionRole:
@@ skipping 821 matching lines @@
 }
 
 const AtomicString& AXObject::internalRoleName(AccessibilityRole role)
 {
     static const Vector<AtomicString>* internalRoleNameVector = createInternalRoleNameVector();
 
     return internalRoleNameVector->at(role);
 }
 
 } // namespace blink