Fix CSS reference filters with negative transformed children.

cc/trees/property_tree_builder.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/trees/property_tree_builder.h"
 
 #include <stddef.h>
 
 #include <map>
 #include <set>
@@ skipping 764 matching lines @@
 }
 
 static inline SkXfermode::Mode BlendMode(LayerImpl* layer) {
   return layer->test_properties()->blend_mode;
 }
 
 static inline const FilterOperations& Filters(Layer* layer) {
   return layer->filters();
 }
 
+static inline const gfx::PointF FiltersOrigin(Layer* layer) {
+  return layer->filters_origin();
+}
+
+static inline const gfx::PointF FiltersOrigin(LayerImpl* layer) {
+  return layer->test_properties()->filters_origin;
+}
+
 static inline const FilterOperations& Filters(LayerImpl* layer) {
   return layer->test_properties()->filters;
 }
 
 static inline const FilterOperations& BackgroundFilters(Layer* layer) {
   return layer->background_filters();
 }
 
 static inline const FilterOperations& BackgroundFilters(LayerImpl* layer) {
   return layer->test_properties()->background_filters;
@@ skipping 185 matching lines @@
         .push_back(node.owner_id);
   }
 
   node.opacity = Opacity(layer);
   node.blend_mode = BlendMode(layer);
   node.unscaled_mask_target_size = layer->bounds();
   node.has_render_surface = should_create_render_surface;
   node.has_copy_request = HasCopyRequest(layer);
   node.filters = Filters(layer);
   node.background_filters = BackgroundFilters(layer);
+  node.filters_origin = FiltersOrigin(layer);
   node.has_potential_opacity_animation = has_potential_opacity_animation;
   node.has_potential_filter_animation = has_potential_filter_animation;
   node.double_sided = DoubleSided(layer);
   node.subtree_hidden = HideLayerAndSubtree(layer);
   node.is_currently_animating_opacity = OpacityIsAnimating(layer);
   node.is_currently_animating_filter = FilterIsAnimating(layer);
 
   EffectTree& effect_tree = data_for_children->property_trees->effect_tree;
   if (MaskLayer(layer)) {
     node.mask_layer_id = MaskLayer(layer)->id();
@@ skipping 469 matching lines @@
     color = SkColorSetA(color, 255);
   BuildPropertyTreesTopLevelInternal(
       root_layer, page_scale_layer, inner_viewport_scroll_layer,
       outer_viewport_scroll_layer, overscroll_elasticity_layer,
       elastic_overscroll, page_scale_factor, device_scale_factor, viewport,
       device_transform, property_trees, color);
   property_trees->ResetCachedData();
 }
 
 }  // namespace cc