Fix CSS reference filters with negative transformed children.

cc/blink/web_layer_impl.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "cc/blink/web_layer_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <utility>
@@ skipping 190 matching lines @@
 }
 
 WebColor WebLayerImpl::backgroundColor() const {
   return layer_->background_color();
 }
 
 void WebLayerImpl::setFilters(const cc::FilterOperations& filters) {
   layer_->SetFilters(filters);
 }
 
+void WebLayerImpl::setFiltersOrigin(const blink::WebFloatPoint& origin) {
+  layer_->SetFiltersOrigin(origin);
+}
+
 void WebLayerImpl::setBackgroundFilters(const cc::FilterOperations& filters) {
   layer_->SetBackgroundFilters(filters);
 }
 
 bool WebLayerImpl::hasActiveAnimationForTesting() {
   return layer_->HasActiveAnimationForTesting();
 }
 
 void WebLayerImpl::setScrollPositionDouble(blink::WebDoublePoint position) {
   layer_->SetScrollOffset(gfx::ScrollOffset(position.x, position.y));
@@ skipping 195 matching lines @@
 
 void WebLayerImpl::SetContentsOpaqueIsFixed(bool fixed) {
   contents_opaque_is_fixed_ = fixed;
 }
 
 void WebLayerImpl::setHasWillChangeTransformHint(bool has_will_change) {
   layer_->SetHasWillChangeTransformHint(has_will_change);
 }
 
 }  // namespace cc_blink