Fix CSS reference filters with negative transformed children.

cc/quads/render_pass_draw_quad.h

Index: cc/quads/render_pass_draw_quad.h
diff --git a/cc/quads/render_pass_draw_quad.h b/cc/quads/render_pass_draw_quad.h
index a8cc9ee85baab53bfd85e6695ef5f8aaae98ad3a..851451b6209e477d99f4b4e79d270eb41a8d23ab 100644
--- a/cc/quads/render_pass_draw_quad.h
+++ b/cc/quads/render_pass_draw_quad.h
@@ -14,6 +14,8 @@
 #include "cc/quads/draw_quad.h"
 #include "cc/quads/render_pass_id.h"
 
+#include "ui/gfx/geometry/point_f.h"
+
 namespace cc {
 
 class CC_EXPORT RenderPassDrawQuad : public DrawQuad {
@@ -33,6 +35,7 @@ class CC_EXPORT RenderPassDrawQuad : public DrawQuad {
               const gfx::Size& mask_texture_size,
               const FilterOperations& filters,
               const gfx::Vector2dF& filters_scale,
+              const gfx::PointF& filters_origin,
               const FilterOperations& background_filters);
 
   void SetAll(const SharedQuadState* shared_quad_state,
@@ -46,6 +49,7 @@ class CC_EXPORT RenderPassDrawQuad : public DrawQuad {
               const gfx::Size& mask_texture_size,
               const FilterOperations& filters,
               const gfx::Vector2dF& filters_scale,
+              const gfx::PointF& filters_origin,
               const FilterOperations& background_filters);
 
   RenderPassId render_pass_id;
@@ -61,6 +65,10 @@ class CC_EXPORT RenderPassDrawQuad : public DrawQuad {
   // content-to-target-space scale, and device pixel ratio.
   gfx::Vector2dF filters_scale;
 
+  // The origin for post-processing filters which will be used to offset
+  // crop rects, lights, etc.
+  gfx::PointF filters_origin;
+
   // Post-processing filters, applied to the pixels showing through the
   // background of the render pass, from behind it.
   FilterOperations background_filters;