Remove always-false settings for text track selection

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 53 matching lines @@
     , m_originalCSP(RuntimeEnabledFeatures::experimentalContentSecurityPolicyFeaturesEnabled())
     , m_originalOverlayScrollbarsEnabled(RuntimeEnabledFeatures::overlayScrollbarsEnabled())
     , 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_shouldDisplaySubtitles(settings->shouldDisplaySubtitles())
-    , m_shouldDisplayCaptions(settings->shouldDisplayCaptions())
-    , m_shouldDisplayTextDescriptions(settings->shouldDisplayTextDescriptions())
     , m_defaultVideoPosterURL(settings->defaultVideoPosterURL())
     , m_originalCompositorDrivenAcceleratedScrollEnabled(settings->compositorDrivenAcceleratedScrollingEnabled())
     , m_originalLayerSquashingEnabled(settings->layerSquashingEnabled())
     , m_originalPasswordGenerationDecorationEnabled(settings->passwordGenerationDecorationEnabled())
 {
 }
 
 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->setShouldDisplaySubtitles(m_shouldDisplaySubtitles);
-    settings->setShouldDisplayCaptions(m_shouldDisplayCaptions);
-    settings->setShouldDisplayTextDescriptions(m_shouldDisplayTextDescriptions);
     settings->setDefaultVideoPosterURL(m_defaultVideoPosterURL);
     settings->setCompositorDrivenAcceleratedScrollingEnabled(m_originalCompositorDrivenAcceleratedScrollEnabled);
     settings->setLayerSquashingEnabled(m_originalLayerSquashingEnabled);
     settings->setPasswordGenerationDecorationEnabled(m_originalPasswordGenerationDecorationEnabled);
     settings->genericFontFamilySettings().reset();
 }
 
 // We can't use RefCountedSupplement because that would try to make InternalSettings RefCounted
 // and InternalSettings is already RefCounted via its base class, InternalSettingsGenerated.
 // Instead, we manually make InternalSettings supplement Page.
@@ skipping 234 matching lines @@
     settings()->setDefaultVideoPosterURL(url);
 }
 
 void InternalSettings::setPasswordGenerationDecorationEnabled(bool enabled, ExceptionState& exceptionState)
 {
     InternalSettingsGuardForSettings();
     settings()->setPasswordGenerationDecorationEnabled(enabled);
 }
 
 }