Updating custom scrollbar style

Source/core/frame/FrameView.cpp

Index: Source/core/frame/FrameView.cpp
diff --git a/Source/core/frame/FrameView.cpp b/Source/core/frame/FrameView.cpp
index 63c7faa24d53d41603d8cea36476da2ffbb9c253..2831235bb74e10dd17042f86bff1e654334118ee 100644
--- a/Source/core/frame/FrameView.cpp
+++ b/Source/core/frame/FrameView.cpp
@@ -323,6 +323,26 @@ void FrameView::detachCustomScrollbars()
     }
 }
 
+void FrameView::recalculateCustomScrollbarStyle()
+{
+    if (hasCustomScrollbars()) {

[skobes, 2014/11/07 17:54:41]

You don't need this check since you are checking isCustomScrollbar() below.

[MuVen, 2014/11/07 18:31:19]

Done.

[MuVen, 2014/11/07 18:31:19]

Done.

+        bool didStyleRecalculated = false;

[skobes, 2014/11/07 17:54:41]

Call this "didStyleChange".

[MuVen, 2014/11/07 18:31:19]

Done.

+        if (m_horizontalScrollbar && m_horizontalScrollbar->isCustomScrollbar()) {
+            m_horizontalScrollbar->styleChanged();
+            didStyleRecalculated = true;
+        }
+        if (m_verticalScrollbar && m_verticalScrollbar->isCustomScrollbar()) {
+            m_verticalScrollbar->styleChanged();
+            didStyleRecalculated = true;
+        }
+        if (didStyleRecalculated) {
+            updateScrollbarGeometry();
+            updateScrollCorner();
+            positionScrollbarLayers();
+        }
+    }
+}
+
 void FrameView::recalculateScrollbarOverlayStyle()
 {
     ScrollbarOverlayStyle oldOverlayStyle = scrollbarOverlayStyle();