Make fragment-only URLs always be document-local references

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

Index: third_party/WebKit/Source/core/css/resolver/FilterOperationResolver.cpp
diff --git a/third_party/WebKit/Source/core/css/resolver/FilterOperationResolver.cpp b/third_party/WebKit/Source/core/css/resolver/FilterOperationResolver.cpp
index 5f1a77734e78cc6881f45212d6dd7044236edb54..ade326092eb9962e4192c6c27797ed21162f9d0c 100644
--- a/third_party/WebKit/Source/core/css/resolver/FilterOperationResolver.cpp
+++ b/third_party/WebKit/Source/core/css/resolver/FilterOperationResolver.cpp
@@ -35,6 +35,7 @@
 #include "core/css/resolver/StyleResolverState.h"
 #include "core/frame/UseCounter.h"
 #include "core/layout/svg/ReferenceFilterBuilder.h"
+#include "core/svg/SVGURIReference.h"
 
 namespace blink {
 
@@ -130,10 +131,9 @@ FilterOperations FilterOperationResolver::createFilterOperations(StyleResolverSt
             countFilterUse(FilterOperation::REFERENCE, state.document());
 
             const CSSURIValue& urlValue = toCSSURIValue(*currValue);
-            KURL url = state.document().completeURL(urlValue.url());
-
-            ReferenceFilterOperation* operation = ReferenceFilterOperation::create(urlValue.url(), AtomicString(url.fragmentIdentifier()));
-            if (!equalIgnoringFragmentIdentifier(url, state.document().url())) {
+            SVGURLReferenceResolver resolver(urlValue.value(), state.document());
+            ReferenceFilterOperation* operation = ReferenceFilterOperation::create(urlValue.value(), resolver.fragmentIdentifier());
+            if (!resolver.isLocal()) {
                 if (!urlValue.loadRequested())
                     state.elementStyleResources().addPendingSVGDocument(operation, &urlValue);
                 else if (urlValue.cachedDocument())