CSSValue Immediates: Change CSSValue to an object instead of a pointer

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 48c12d2a81ad265e7d406ccff9cd3309585dca71..4e3b311269f23a85d2ebc25f3ba2e1e74fdd28d0 100644
--- a/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
+++ b/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
@@ -341,7 +341,7 @@ SkImageFilter* CanvasRenderingContext2DState::getFilter(Element* styleResolution
 
         // TODO(junov): crbug.com/502877 Feed m_fillStyle and m_strokeStyle into FillPaint and
         // StrokePaint respectively for filters that reference SVG.
-        StyleBuilder::applyProperty(CSSPropertyWebkitFilter, resolverState, m_filterValue.get());
+        StyleBuilder::applyProperty(CSSPropertyWebkitFilter, resolverState, *m_filterValue);
         RefPtrWillBeRawPtr<FilterEffectBuilder> filterEffectBuilder = FilterEffectBuilder::create();
         const float effectiveZoom = 1.0f; // Deliberately ignore zoom on the canvas element
         filterEffectBuilder->build(styleResolutionHost, filterStyle->filter(), effectiveZoom);
@@ -434,7 +434,7 @@ void CanvasRenderingContext2DState::setShadowColor(SkColor shadowColor)
     shadowParameterChanged();
 }
 
-void CanvasRenderingContext2DState::setFilter(PassRefPtrWillBeRawPtr<CSSValue> filterValue)
+void CanvasRenderingContext2DState::setFilter(CSSValue filterValue)
 {
     m_filterValue = filterValue;
     m_resolvedFilter.clear();