Fix CSS reference filters with negative transformed children.

cc/layers/render_surface_impl.h

 // Copyright 2011 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.
 
 #ifndef CC_LAYERS_RENDER_SURFACE_IMPL_H_
 #define CC_LAYERS_RENDER_SURFACE_IMPL_H_
 
 #include <stddef.h>
 
 #include <memory>
@@ skipping 138 matching lines @@
   LayerImpl* ReplicaLayer();
 
   LayerImpl* MaskLayer();
   bool HasMask() const;
 
   LayerImpl* ReplicaMaskLayer();
   bool HasReplicaMask() const;
 
   const FilterOperations& Filters() const;
   const FilterOperations& BackgroundFilters() const;
+  gfx::PointF FiltersOrigin() const;
   gfx::Transform FiltersTransform() const;
 
   bool HasCopyRequest() const;
 
   void ResetPropertyChangedFlag() { surface_property_changed_ = false; }
   bool SurfacePropertyChanged() const;
   bool SurfacePropertyChangedOnlyFromDescendant() const;
 
   DamageTracker* damage_tracker() const { return damage_tracker_.get(); }
 
@@ skipping 71 matching lines @@
   int target_render_surface_layer_index_history_;
   size_t current_layer_index_history_;
 
   friend class LayerIterator;
 
   DISALLOW_COPY_AND_ASSIGN(RenderSurfaceImpl);
 };
 
 }  // namespace cc
 #endif  // CC_LAYERS_RENDER_SURFACE_IMPL_H_