Use an SVGElementProxy in ReferenceClipPathOperation

third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp

Index: third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp b/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
index d7f165302bd2963fe4db136bad08c947a0ca1f09..3bbcc2e917661d6565f3324356e66679f12d6269 100644
--- a/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/StyleBuilderConverter.cpp
@@ -138,17 +138,11 @@ PassRefPtr<ClipPathOperation> StyleBuilderConverter::convertClipPath(
   if (value.isBasicShapeValue())
     return ShapeClipPathOperation::create(basicShapeForValue(state, value));
   if (value.isURIValue()) {
-    SVGURLReferenceResolver resolver(toCSSURIValue(value).value(),
-                                     state.document());
-    // If the reference is non-local, then the fragment will remain as a
-    // null string, which makes the element lookup fail.
-    AtomicString fragmentIdentifier;
-    if (resolver.isLocal())
-      fragmentIdentifier = resolver.fragmentIdentifier();
-    // TODO(fs): Doesn't work with forward or external SVG references
-    // (crbug.com/391604, crbug.com/109212, ...)
-    return ReferenceClipPathOperation::create(toCSSURIValue(value).value(),
-                                              fragmentIdentifier);
+    const CSSURIValue& urlValue = toCSSURIValue(value);
+    SVGElementProxy& elementProxy =
+        state.elementStyleResources().cachedOrPendingFromValue(urlValue);
+    // TODO(fs): Doesn't work with external SVG references (crbug.com/109212.)
+    return ReferenceClipPathOperation::create(urlValue.value(), elementProxy);
   }
   DCHECK(value.isIdentifierValue() &&
          toCSSIdentifierValue(value).getValueID() == CSSValueNone);