Oilpan: Unship Oilpan from CSSValues

Source/modules/canvas2d/CanvasRenderingContext2DState.cpp

Index: Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
diff --git a/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp b/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
index 94b6d969cc35ec778d0894bd298375ebb4331097..47b872978823ccb0df821e04eed656e9fb592fd0 100644
--- a/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
+++ b/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
@@ -178,7 +178,6 @@ DEFINE_TRACE(CanvasRenderingContext2DState)
 {
     visitor->trace(m_strokeStyle);
     visitor->trace(m_fillStyle);
-    visitor->trace(m_filterValue);
     CSSFontSelectorClient::trace(visitor);
 }
 
@@ -435,7 +434,7 @@ void CanvasRenderingContext2DState::setShadowColor(SkColor shadowColor)
     shadowParameterChanged();
 }
 
-void CanvasRenderingContext2DState::setFilter(PassRefPtrWillBeRawPtr<CSSValue> filterValue)
+void CanvasRenderingContext2DState::setFilter(PassRefPtr<CSSValue> filterValue)
 {
     m_filterValue = filterValue;
     m_resolvedFilter.clear();