CSP: Add a mechanism to disable CSP 1.1 for layout tests.

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 6aa10f2d04c7cf0634324641c5dba6baf39ee7b2..f33f7492931d0475e87f350373c63023b7466afa 100644
--- a/Source/core/testing/InternalSettings.cpp
+++ b/Source/core/testing/InternalSettings.cpp
@@ -61,6 +61,7 @@ InternalSettings::Backup::Backup(Settings* settings)
     , m_originalAuthorShadowDOMForAnyElementEnabled(RuntimeEnabledFeatures::authorShadowDOMForAnyElementEnabled())
     , m_originalExperimentalWebSocketEnabled(settings->experimentalWebSocketEnabled())
     , m_originalStyleScoped(RuntimeEnabledFeatures::styleScopedEnabled())
+    , m_originalCSP(RuntimeEnabledFeatures::experimentalContentSecurityPolicyFeaturesEnabled())
     , m_originalOverlayScrollbarsEnabled(RuntimeEnabledFeatures::overlayScrollbarsEnabled())
     , m_originalEditingBehavior(settings->editingBehaviorType())
     , m_originalTextAutosizingEnabled(settings->textAutosizingEnabled())
@@ -86,6 +87,7 @@ void InternalSettings::Backup::restoreTo(Settings* settings)
     RuntimeEnabledFeatures::setAuthorShadowDOMForAnyElementEnabled(m_originalAuthorShadowDOMForAnyElementEnabled);
     settings->setExperimentalWebSocketEnabled(m_originalExperimentalWebSocketEnabled);
     RuntimeEnabledFeatures::setStyleScopedEnabled(m_originalStyleScoped);
+    RuntimeEnabledFeatures::setExperimentalContentSecurityPolicyFeaturesEnabled(m_originalCSP);
     RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(m_originalOverlayScrollbarsEnabled);
     settings->setEditingBehaviorType(m_originalEditingBehavior);
     settings->setTextAutosizingEnabled(m_originalTextAutosizingEnabled);
@@ -183,6 +185,11 @@ void InternalSettings::setStyleScopedEnabled(bool enabled)
     RuntimeEnabledFeatures::setStyleScopedEnabled(enabled);
 }
 
+void InternalSettings::setExperimentalContentSecurityPolicyFeaturesEnabled(bool enabled)
+{
+    RuntimeEnabledFeatures::setExperimentalContentSecurityPolicyFeaturesEnabled(enabled);
+}
+
 void InternalSettings::setOverlayScrollbarsEnabled(bool enabled)
 {
     RuntimeEnabledFeatures::setOverlayScrollbarsEnabled(enabled);