Remove ScrollbarThemeClient repaint methods.

third_party/WebKit/Source/platform/scroll/Scrollbar.h

Index: third_party/WebKit/Source/platform/scroll/Scrollbar.h
diff --git a/third_party/WebKit/Source/platform/scroll/Scrollbar.h b/third_party/WebKit/Source/platform/scroll/Scrollbar.h
index 820b1a139c35a80967a22ed3f1ec29a9b149d526..d66e7817c0b31afb17da6ce837046f776e440f9d 100644
--- a/third_party/WebKit/Source/platform/scroll/Scrollbar.h
+++ b/third_party/WebKit/Source/platform/scroll/Scrollbar.h
@@ -141,10 +141,10 @@ public:
     float elasticOverscroll() const override { return m_elasticOverscroll; }
     void setElasticOverscroll(float elasticOverscroll) override { m_elasticOverscroll = elasticOverscroll; }
 
-    bool trackNeedsRepaint() const override { return m_trackNeedsRepaint; }
-    void setTrackNeedsRepaint(bool trackNeedsRepaint) override { m_trackNeedsRepaint = trackNeedsRepaint; }
-    bool thumbNeedsRepaint() const override { return m_thumbNeedsRepaint; }
-    void setThumbNeedsRepaint(bool thumbNeedsRepaint) override { m_thumbNeedsRepaint = thumbNeedsRepaint; }
+    bool trackNeedsRepaint() const { return m_trackNeedsRepaint; }
+    void setTrackNeedsRepaint(bool trackNeedsRepaint) { m_trackNeedsRepaint = trackNeedsRepaint; }
+    bool thumbNeedsRepaint() const { return m_thumbNeedsRepaint; }
+    void setThumbNeedsRepaint(bool thumbNeedsRepaint) { m_thumbNeedsRepaint = thumbNeedsRepaint; }
 
     bool overlapsResizer() const { return m_overlapsResizer; }
     void setOverlapsResizer(bool overlapsResizer) { m_overlapsResizer = overlapsResizer; }