[SP] Pass correct cull rect to fix horizontal box shadow painting at tile edge.

Source/core/paint/InlineFlowBoxPainter.cpp

Index: Source/core/paint/InlineFlowBoxPainter.cpp
diff --git a/Source/core/paint/InlineFlowBoxPainter.cpp b/Source/core/paint/InlineFlowBoxPainter.cpp
index 6f8698bbf2fc1f7e7cb37f0028580cbecd19f1fc..aac92b8321fd2573bc80eac5634249ae64e6b412 100644
--- a/Source/core/paint/InlineFlowBoxPainter.cpp
+++ b/Source/core/paint/InlineFlowBoxPainter.cpp
@@ -67,7 +67,7 @@ void InlineFlowBoxPainter::paint(const PaintInfo& paintInfo, const LayoutPoint&
         return;
     } else if (paintInfo.phase == PaintPhaseForeground) {
         // Paint our background, border and box-shadow.
-        paintBoxDecorationBackground(paintInfo, paintOffset);
+        paintBoxDecorationBackground(paintInfo, paintOffset, overflowRect);
     }
 
     // Paint our children.
@@ -210,7 +210,7 @@ InlineFlowBoxPainter::BorderPaintingType InlineFlowBoxPainter::getBorderPaintTyp
     return DontPaintBorders;
 }
 
-void InlineFlowBoxPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset)
+void InlineFlowBoxPainter::paintBoxDecorationBackground(const PaintInfo& paintInfo, const LayoutPoint& paintOffset, const LayoutRect& cullRect)
 {
     ASSERT(paintInfo.phase == PaintPhaseForeground);
     if (!paintInfo.shouldPaintWithinRoot(&m_inlineFlowBox.layoutObject()) || m_inlineFlowBox.layoutObject().style()->visibility() != VISIBLE)