Fix redrawing of a composited element with a filter.

Source/core/rendering/style/StyleRareNonInheritedData.cpp

Index: Source/core/rendering/style/StyleRareNonInheritedData.cpp
diff --git a/Source/core/rendering/style/StyleRareNonInheritedData.cpp b/Source/core/rendering/style/StyleRareNonInheritedData.cpp
index 3539ba1477a46011b23a4e98d89277adc40412d5..bb79aabdfbac5a2a06bd3d283e46ca4e57b53981 100644
--- a/Source/core/rendering/style/StyleRareNonInheritedData.cpp
+++ b/Source/core/rendering/style/StyleRareNonInheritedData.cpp
@@ -288,4 +288,9 @@ bool StyleRareNonInheritedData::transitionDataEquivalent(const StyleRareNonInher
     return true;
 }
 
+bool StyleRareNonInheritedData::hasFilters() const
+{
+    return m_filter.get() && !m_filter->m_operations.isEmpty();
+}
+
 } // namespace WebCore