Fix CSS reference filters with negative transformed children.

cc/ipc/quads.mojom

 // 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.
 
 module cc.mojom;
 
 import "cc/ipc/filter_operations.mojom";
 import "cc/ipc/render_pass_id.mojom";
 import "cc/ipc/shared_quad_state.mojom";
 import "cc/ipc/surface_id.mojom";
@@ skipping 18 matching lines @@
 
   // Post-processing filters, applied to the pixels in the render pass' texture.
   cc.mojom.FilterOperations filters;
 
   // The scale from layer space of the root layer of the render pass to
   // the render pass physical pixels. This scale is applied to the filter
   // parameters for pixel-moving filters. This scale should include
   // content-to-target-space scale, and device pixel ratio.
   gfx.mojom.Vector2dF filters_scale;
 
+  // The offset from the bounds of the root layer to the origin of the
+  // original primitive. This used to correctly position crop rects, lights,
+  // etc.
+  gfx.mojom.PointF filters_origin;
+
   // Post-processing filters, applied to the pixels showing through the
   // background of the render pass, from behind it.
   cc.mojom.FilterOperations background_filters;
 };
 
 struct SolidColorQuadState {
   uint32 color;
   bool force_anti_aliasing_off;
 };
 
@@ skipping 75 matching lines @@
   // Allows changing the rect that gets drawn to make it smaller. This value
   // should be clipped to |rect|. This rect lives in content space.
   bool needs_blending;
 
   // Optionally holds a SharedQuadState (transforms etc) shared by multiple
   // quads.
   SharedQuadState? sqs;
 
   DrawQuadState draw_quad_state;
 };