Remove most of scoped styles.

Source/core/testing/InternalSettings.cpp

Index: Source/core/testing/InternalSettings.cpp
diff --git a/Source/core/testing/InternalSettings.cpp b/Source/core/testing/InternalSettings.cpp
index 0d9dbefc3c655c50e40eb826cfe2cb3dee9bc2e8..39d0d997e9c4d322a3ef1731c99bd653b031f970 100644
--- a/Source/core/testing/InternalSettings.cpp
+++ b/Source/core/testing/InternalSettings.cpp
@@ -61,7 +61,6 @@ InternalSettings::Backup::Backup(Settings* settings)
     : m_originalCSSExclusionsEnabled(RuntimeEnabledFeatures::cssExclusionsEnabled())
     , m_originalAuthorShadowDOMForAnyElementEnabled(RuntimeEnabledFeatures::authorShadowDOMForAnyElementEnabled())
     , m_originalExperimentalWebSocketEnabled(settings->experimentalWebSocketEnabled())
-    , m_originalStyleScoped(RuntimeEnabledFeatures::styleScopedEnabled())
     , m_originalCSP(RuntimeEnabledFeatures::experimentalContentSecurityPolicyFeaturesEnabled())
     , m_originalOverlayScrollbarsEnabled(RuntimeEnabledFeatures::overlayScrollbarsEnabled())
     , m_originalEditingBehavior(settings->editingBehaviorType())
@@ -87,7 +86,6 @@ void InternalSettings::Backup::restoreTo(Settings* settings)
     RuntimeEnabledFeatures::setCSSExclusionsEnabled(m_originalCSSExclusionsEnabled);
     RuntimeEnabledFeatures::setAuthorShadowDOMForAnyElementEnabled(m_originalAuthorShadowDOMForAnyElementEnabled);
     settings->setExperimentalWebSocketEnabled(m_originalExperimentalWebSocketEnabled);
-    RuntimeEnabledFeatures::setStyleScopedEnabled(m_originalStyleScoped);
     RuntimeEnabledFeatures::setExperimentalContentSecurityPolicyFeaturesEnabled(m_originalCSP);
     RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(m_originalOverlayScrollbarsEnabled);
     settings->setEditingBehaviorType(m_originalEditingBehavior);
@@ -182,11 +180,6 @@ void InternalSettings::setExperimentalWebSocketEnabled(bool isEnabled)
     settings()->setExperimentalWebSocketEnabled(isEnabled);
 }
 
-void InternalSettings::setStyleScopedEnabled(bool enabled)
-{
-    RuntimeEnabledFeatures::setStyleScopedEnabled(enabled);
-}
-
 void InternalSettings::setExperimentalContentSecurityPolicyFeaturesEnabled(bool enabled)
 {
     RuntimeEnabledFeatures::setExperimentalContentSecurityPolicyFeaturesEnabled(enabled);