Hook up Android closed captions 'enabled' setting to Blink

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 f7c896f5e1026b44bad940b6900dc9be57aa5d38..36cb1acded5f239d43323df9ec4026124f76b512 100644
--- a/Source/core/testing/InternalSettings.cpp
+++ b/Source/core/testing/InternalSettings.cpp
@@ -342,6 +342,12 @@ void InternalSettings::setDefaultVideoPosterURL(const String& url, ExceptionStat
     settings()->setDefaultVideoPosterURL(url);
 }
 
+void InternalSettings::setTextTracksEnabled(bool enabled, ExceptionState& exceptionState)
+{
+    InternalSettingsGuardForSettings();
+    settings()->setTextTracksEnabled(enabled);
+}
+
 DEFINE_TRACE(InternalSettings)
 {
     visitor->trace(m_page);