Use initial values for flood/lighting-color/flood-opacity when detached

third_party/WebKit/Source/core/svg/SVGFEFloodElement.cpp

Index: third_party/WebKit/Source/core/svg/SVGFEFloodElement.cpp
diff --git a/third_party/WebKit/Source/core/svg/SVGFEFloodElement.cpp b/third_party/WebKit/Source/core/svg/SVGFEFloodElement.cpp
index 663a9807fa181a56a8e2a8479bd40289d5304bc2..3f2a25d9ad50e9e15abea316dc97ff526a0236d4 100644
--- a/third_party/WebKit/Source/core/svg/SVGFEFloodElement.cpp
+++ b/third_party/WebKit/Source/core/svg/SVGFEFloodElement.cpp
@@ -53,16 +53,15 @@ bool SVGFEFloodElement::setFilterEffectAttribute(FilterEffect* effect, const Qua
 
 PassRefPtrWillBeRawPtr<FilterEffect> SVGFEFloodElement::build(SVGFilterBuilder*, Filter* filter)
 {
-    LayoutObject* layoutObject = this->layoutObject();
-    if (!layoutObject)
-        return nullptr;
-
-    ASSERT(layoutObject->style());
-    const SVGComputedStyle& svgStyle = layoutObject->style()->svgStyle();
-
-    Color color = svgStyle.floodColor();
-    float opacity = svgStyle.floodOpacity();
+    Color color = Color::black;
+    float opacity = 1;
+    if (LayoutObject* layoutObject = this->layoutObject()) {
+        ASSERT(layoutObject->style());
+        const SVGComputedStyle& svgStyle = layoutObject->styleRef().svgStyle();
 
+        color = svgStyle.floodColor();
+        opacity = svgStyle.floodOpacity();
+    }
     return FEFlood::create(filter, color, opacity);
 }