Replace pinch scrollbars with regular scrollbars.

Source/core/frame/FrameView.h

Index: Source/core/frame/FrameView.h
diff --git a/Source/core/frame/FrameView.h b/Source/core/frame/FrameView.h
index 7443273c9b318e6cff99a820d6a32d704204289e..ba6aea888edc78e86fd9c6d27fd82f6fda807431 100644
--- a/Source/core/frame/FrameView.h
+++ b/Source/core/frame/FrameView.h
@@ -269,6 +269,8 @@ public:
     enum ScrollbarModesCalculationStrategy { RulesFromWebContentOnly, AnyRule };
     void calculateScrollbarModesForLayout(ScrollbarMode& hMode, ScrollbarMode& vMode, ScrollbarModesCalculationStrategy = AnyRule);
 
+    bool visualViewportSuppliesScrollbars() const;

[skobes, 2015/08/26 18:21:32]

nit: can this be private?

[aelias_OOO_until_Jul13, 2015/08/27 03:11:34]

Done.

+
     IntPoint lastKnownMousePosition() const override;
     bool shouldSetCursor() const;
 
@@ -345,6 +347,7 @@ public:
     IntRect scrollableAreaBoundingBox() const override;
     bool scrollAnimatorEnabled() const override;
     bool usesCompositedScrolling() const override;
+    GraphicsLayer* layerForScrollbarContainer() const override;
     GraphicsLayer* layerForScrolling() const override;
     GraphicsLayer* layerForHorizontalScrollbar() const override;
     GraphicsLayer* layerForVerticalScrollbar() const override;
@@ -693,7 +696,6 @@ private:
     bool adjustScrollbarExistence(ComputeScrollbarExistenceOption = FirstPass);
     void adjustScrollbarOpacity();
     void setScrollOffsetFromUpdateScrollbars(const DoubleSize&);
-    bool visualViewportSuppliesScrollbars() const;
 
     IntRect rectToCopyOnScroll() const;