Revert of Remove the blocking touch handlers for the input[type=range] and add touch-action instead

third_party/WebKit/Source/core/html/shadow/SliderThumbElement.h

Index: third_party/WebKit/Source/core/html/shadow/SliderThumbElement.h
diff --git a/third_party/WebKit/Source/core/html/shadow/SliderThumbElement.h b/third_party/WebKit/Source/core/html/shadow/SliderThumbElement.h
index b3225e0af5651b2f5860cb59d6069c1045c25a6e..ef06fa4719a2c66637f14f0da3b8ce1f9fd0edb4 100644
--- a/third_party/WebKit/Source/core/html/shadow/SliderThumbElement.h
+++ b/third_party/WebKit/Source/core/html/shadow/SliderThumbElement.h
@@ -80,31 +80,12 @@
 
 class SliderContainerElement final : public HTMLDivElement {
 public:
-    enum Direction {
-        Horizontal,
-        Vertical,
-        NoMove,
-    };
-
     DECLARE_NODE_FACTORY(SliderContainerElement);
-    HTMLInputElement* hostInput() const;
-    void defaultEventHandler(Event*) override;
-    void handleTouchEvent(TouchEvent*);
-    void updateTouchEventHandlerRegistry();
-    void didMoveToNewDocument(Document&) override;
-    void removeAllEventListeners() override;
 
 private:
     explicit SliderContainerElement(Document&);
     LayoutObject* createLayoutObject(const ComputedStyle&) override;
     const AtomicString& shadowPseudoId() const override;
-    Direction getDirection(LayoutPoint&, LayoutPoint&);
-    bool canSlide();
-
-    bool m_hasTouchEventHandler;
-    bool m_touchStarted;
-    Direction m_slidingDirection;
-    LayoutPoint m_startPoint;
 };
 
 } // namespace blink