Implement computedRole and computedName (behind a flag)

Source/core/testing/InternalSettings.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  * Copyright (C) 2013 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.
@@ skipping 57 matching lines @@
     , m_originalAccessibilityFontScaleFactor(settings->accessibilityFontScaleFactor())
     , m_originalMediaTypeOverride(settings->mediaTypeOverride())
     , m_originalMockScrollbarsEnabled(settings->mockScrollbarsEnabled())
     , m_originalMockGestureTapHighlightsEnabled(settings->mockGestureTapHighlightsEnabled())
     , m_langAttributeAwareFormControlUIEnabled(RuntimeEnabledFeatures::langAttributeAwareFormControlUIEnabled())
     , m_imagesEnabled(settings->imagesEnabled())
     , m_defaultVideoPosterURL(settings->defaultVideoPosterURL())
     , m_originalLayerSquashingEnabled(settings->layerSquashingEnabled())
     , m_originalPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled(RuntimeEnabledFeatures::pseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled())
     , m_originalImageColorProfilesEnabled(RuntimeEnabledFeatures::imageColorProfilesEnabled())
+    , m_originalComputedAccessibilityInfoEnabled(RuntimeEnabledFeatures::computedAccessibilityInfoEnabled())
 {
 }
 
 void InternalSettings::Backup::restoreTo(Settings* settings)
 {
     RuntimeEnabledFeatures::setAuthorShadowDOMForAnyElementEnabled(m_originalAuthorShadowDOMForAnyElementEnabled);
+    RuntimeEnabledFeatures::setComputedAccessibilityInfoEnabled(m_originalComputedAccessibilityInfoEnabled);
     RuntimeEnabledFeatures::setExperimentalContentSecurityPolicyFeaturesEnabled(m_originalCSP);
     RuntimeEnabledFeatures::setLaxMixedContentCheckingEnabled(m_originalLaxMixedContentCheckingEnabled);
     RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(m_originalOverlayScrollbarsEnabled);
     settings->setEditingBehaviorType(m_originalEditingBehavior);
     settings->setTextAutosizingEnabled(m_originalTextAutosizingEnabled);
     settings->setTextAutosizingWindowSizeOverride(m_originalTextAutosizingWindowSizeOverride);
     settings->setAccessibilityFontScaleFactor(m_originalAccessibilityFontScaleFactor);
     settings->setMediaTypeOverride(m_originalMediaTypeOverride);
     settings->setMockScrollbarsEnabled(m_originalMockScrollbarsEnabled);
     settings->setMockGestureTapHighlightsEnabled(m_originalMockGestureTapHighlightsEnabled);
@@ skipping 83 matching lines @@
 {
     InternalSettingsGuardForSettings();
     settings()->setMockGestureTapHighlightsEnabled(enabled);
 }
 
 void InternalSettings::setAuthorShadowDOMForAnyElementEnabled(bool isEnabled)
 {
     RuntimeEnabledFeatures::setAuthorShadowDOMForAnyElementEnabled(isEnabled);
 }
 
+void InternalSettings::setComputedAccessibilityInfoEnabled(bool enabled)
+{
+    RuntimeEnabledFeatures::setComputedAccessibilityInfoEnabled(enabled);
+}
+
 void InternalSettings::setExperimentalContentSecurityPolicyFeaturesEnabled(bool enabled)
 {
     RuntimeEnabledFeatures::setExperimentalContentSecurityPolicyFeaturesEnabled(enabled);
 }
 
 void InternalSettings::setLaxMixedContentCheckingEnabled(bool enabled)
 {
     RuntimeEnabledFeatures::setLaxMixedContentCheckingEnabled(enabled);
 }
 
@@ skipping 244 matching lines @@
         hoverType = HoverTypeOnDemand;
     else if (token == "hover")
         hoverType = HoverTypeHover;
     else
         exceptionState.throwDOMException(SyntaxError, "The hover type token ('" + token + ")' is invalid.");
 
     settings()->setPrimaryHoverType(hoverType);
 }
 
 }