1 files changed, 7 insertions, 5 deletions
diff --git a/WebCore/platform/graphics/filters/SourceAlpha.cpp b/WebCore/platform/graphics/filters/SourceAlpha.cpp
index 7dc56d9..a505b4b 100644
--- a/WebCore/platform/graphics/filters/SourceAlpha.cpp
+++ b/WebCore/platform/graphics/filters/SourceAlpha.cpp
@@ -31,9 +31,9 @@
 
 namespace WebCore {
 
-PassRefPtr<SourceAlpha> SourceAlpha::create()
+PassRefPtr<SourceAlpha> SourceAlpha::create(Filter* filter)
 {
-    return adoptRef(new SourceAlpha);
+    return adoptRef(new SourceAlpha(filter));
 }
 
 const AtomicString& SourceAlpha::effectName()
@@ -42,16 +42,18 @@ const AtomicString& SourceAlpha::effectName()
     return s_effectName;
 }
 
-void SourceAlpha::determineAbsolutePaintRect(Filter* filter)
+void SourceAlpha::determineAbsolutePaintRect()
 {
+    Filter* filter = this->filter();
     FloatRect paintRect = filter->sourceImageRect();
     paintRect.scale(filter->filterResolution().width(), filter->filterResolution().height());
     setAbsolutePaintRect(enclosingIntRect(paintRect));
 }
 
-void SourceAlpha::apply(Filter* filter)
+void SourceAlpha::apply()
 {
-    GraphicsContext* filterContext = effectContext(filter);
+    GraphicsContext* filterContext = effectContext();
+    Filter* filter = this->filter();
     if (!filterContext || !filter->sourceImage())
         return;