Hook up Android closed captions 'enabled' setting to Blink

Source/web/WebSettingsImpl.h

Index: Source/web/WebSettingsImpl.h
diff --git a/Source/web/WebSettingsImpl.h b/Source/web/WebSettingsImpl.h
index f80efe0be57da9f9fd5caf5538ad38f2e2e928d1..920e4648eac7b849f712ef62f3cd1cb21d306472 100644
--- a/Source/web/WebSettingsImpl.h
+++ b/Source/web/WebSettingsImpl.h
@@ -160,13 +160,14 @@ public:
     void setTextAreasAreResizable(bool) override;
     void setTextAutosizingEnabled(bool) override;
     void setAccessibilityFontScaleFactor(float) override;
-    virtual void setTextTrackBackgroundColor(const WebString&);
-    virtual void setTextTrackFontFamily(const WebString&);
-    virtual void setTextTrackFontStyle(const WebString&);
-    virtual void setTextTrackFontVariant(const WebString&);
-    virtual void setTextTrackTextColor(const WebString&);
-    virtual void setTextTrackTextShadow(const WebString&);
-    virtual void setTextTrackTextSize(const WebString&);
+    void setTextTrackKindUserPreference(TextTrackKindUserPreference) override;
+    void setTextTrackBackgroundColor(const WebString&) override;
+    void setTextTrackFontFamily(const WebString&) override;
+    void setTextTrackFontStyle(const WebString&) override;
+    void setTextTrackFontVariant(const WebString&) override;
+    void setTextTrackTextColor(const WebString&) override;
+    void setTextTrackTextShadow(const WebString&) override;
+    void setTextTrackTextSize(const WebString&) override;
     void setThreadedScrollingEnabled(bool) override;
     void setTouchDragDropEnabled(bool) override;
     void setTouchEditingEnabled(bool) override;