Support a negation pseudo-class, :not(), in <content select>

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 55 matching lines @@
     , m_originalEditingBehavior(settings->editingBehaviorType())
     , m_originalTextAutosizingEnabled(settings->textAutosizingEnabled())
     , m_originalTextAutosizingWindowSizeOverride(settings->textAutosizingWindowSizeOverride())
     , m_originalAccessibilityFontScaleFactor(settings->accessibilityFontScaleFactor())
     , m_originalMediaTypeOverride(settings->mediaTypeOverride())
     , m_originalMockScrollbarsEnabled(settings->mockScrollbarsEnabled())
     , m_langAttributeAwareFormControlUIEnabled(RuntimeEnabledFeatures::langAttributeAwareFormControlUIEnabled())
     , m_imagesEnabled(settings->imagesEnabled())
     , m_defaultVideoPosterURL(settings->defaultVideoPosterURL())
     , m_originalLayerSquashingEnabled(settings->layerSquashingEnabled())
+    , m_originalPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled(RuntimeEnabledFeatures::pseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled())
 {
 }
 
 void InternalSettings::Backup::restoreTo(Settings* settings)
 {
     RuntimeEnabledFeatures::setCSSExclusionsEnabled(m_originalCSSExclusionsEnabled);
     RuntimeEnabledFeatures::setAuthorShadowDOMForAnyElementEnabled(m_originalAuthorShadowDOMForAnyElementEnabled);
     RuntimeEnabledFeatures::setStyleScopedEnabled(m_originalStyleScoped);
     RuntimeEnabledFeatures::setExperimentalContentSecurityPolicyFeaturesEnabled(m_originalCSP);
     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);
     RuntimeEnabledFeatures::setLangAttributeAwareFormControlUIEnabled(m_langAttributeAwareFormControlUIEnabled);
     settings->setImagesEnabled(m_imagesEnabled);
     settings->setDefaultVideoPosterURL(m_defaultVideoPosterURL);
     settings->setLayerSquashingEnabled(m_originalLayerSquashingEnabled);
     settings->genericFontFamilySettings().reset();
+    RuntimeEnabledFeatures::setPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled(m_originalPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled);
 }
 
 #if ENABLE(OILPAN)
 InternalSettings* InternalSettings::from(Page& page)
 {
     if (!HeapSupplement<Page>::from(page, supplementName()))
         HeapSupplement<Page>::provideTo(page, supplementName(), new InternalSettings(page));
     return static_cast<InternalSettings*>(HeapSupplement<Page>::from(page, supplementName()));
 }
 #else
@@ skipping 70 matching lines @@
 void InternalSettings::setStyleScopedEnabled(bool enabled)
 {
     RuntimeEnabledFeatures::setStyleScopedEnabled(enabled);
 }
 
 void InternalSettings::setExperimentalContentSecurityPolicyFeaturesEnabled(bool enabled)
 {
     RuntimeEnabledFeatures::setExperimentalContentSecurityPolicyFeaturesEnabled(enabled);
 }
 
+void InternalSettings::setPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled(bool enabled)
+{
+    RuntimeEnabledFeatures::setPseudoClassesInMatchingCriteriaInAuthorShadowTreesEnabled(enabled);
+}
+
 void InternalSettings::setOverlayScrollbarsEnabled(bool enabled)
 {
     RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(enabled);
 }
 
 void InternalSettings::setViewportEnabled(bool enabled, ExceptionState& exceptionState)
 {
     InternalSettingsGuardForSettings();
     settings()->setViewportEnabled(enabled);
 }
@@ skipping 141 matching lines @@
 void InternalSettings::trace(Visitor* visitor)
 {
     visitor->trace(m_page);
     InternalSettingsGenerated::trace(visitor);
 #if ENABLE(OILPAN)
     HeapSupplement<Page>::trace(visitor);
 #endif
 }
 
 }