Fix CSS reference filters with negative transformed children.

cc/layers/layer_impl.cc

 // Copyright 2012 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/layers/layer_impl.h"
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
@@ skipping 805 matching lines @@
 bool LayerImpl::HasAnimationThatInflatesBounds() const {
   return GetAnimationHost()->HasAnimationThatInflatesBounds(element_id());
 }
 
 bool LayerImpl::FilterAnimationBoundsForBox(const gfx::BoxF& box,
                                             gfx::BoxF* bounds) const {
   return GetAnimationHost()->FilterAnimationBoundsForBox(element_id(), box,
                                                          bounds);
 }
 
+void LayerImpl::SetFiltersOrigin(const gfx::PointF& filters_origin) {
+  filters_origin_ = filters_origin;
+}
+
 bool LayerImpl::TransformAnimationBoundsForBox(const gfx::BoxF& box,
                                                gfx::BoxF* bounds) const {
   return GetAnimationHost()->TransformAnimationBoundsForBox(element_id(), box,
                                                             bounds);
 }
 
 void LayerImpl::SetUpdateRect(const gfx::Rect& update_rect) {
   update_rect_ = update_rect;
   SetNeedsPushProperties();
 }
@@ skipping 283 matching lines @@
            .layer_transforms_should_scale_layer_contents) {
     return default_scale;
   }
 
   gfx::Vector2dF transform_scales = MathUtil::ComputeTransform2dScaleComponents(
       ScreenSpaceTransform(), default_scale);
   return std::max(transform_scales.x(), transform_scales.y());
 }
 
 }  // namespace cc