Revert of Tracking filter mutation via SVGElementProxy

third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp

Index: third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
diff --git a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
index 94fbc5cda53008ab813598cd8b48e27211c42e3d..a67b4ba2474a25536837507d6a14ee11147ee99a 100644
--- a/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
+++ b/third_party/WebKit/Source/modules/canvas2d/CanvasRenderingContext2DState.cpp
@@ -272,6 +272,13 @@
   m_isTransformInvertible = true;
 }
 
+static void updateFilterReferences(HTMLCanvasElement* canvasElement,
+                                   CanvasRenderingContext2D* context,
+                                   const FilterOperations& filters) {
+  context->clearFilterReferences();
+  context->addFilterReferences(filters, canvasElement->document());
+}
+
 sk_sp<SkImageFilter> CanvasRenderingContext2DState::getFilter(
     Element* styleResolutionHost,
     IntSize canvasSize,
@@ -315,7 +322,8 @@
       m_resolvedFilter =
           SkiaImageFilterBuilder::build(lastEffect, ColorSpaceDeviceRGB);
       if (m_resolvedFilter) {
-        context->updateFilterReferences(filterStyle->filter());
+        updateFilterReferences(toHTMLCanvasElement(styleResolutionHost),
+                               context, filterStyle->filter());
         if (lastEffect->originTainted())
           context->setOriginTainted();
       }