Splitting of layers for correct intersections

cc/trees/layer_tree_host_pixeltest_filters.cc

Index: cc/trees/layer_tree_host_pixeltest_filters.cc
diff --git a/cc/trees/layer_tree_host_pixeltest_filters.cc b/cc/trees/layer_tree_host_pixeltest_filters.cc
index bf8e3e2123867ac34c7684c5b1f6898cfd78909b..5b91bddc37eb203e092327666759aed446be71c5 100644
--- a/cc/trees/layer_tree_host_pixeltest_filters.cc
+++ b/cc/trees/layer_tree_host_pixeltest_filters.cc
@@ -97,8 +97,8 @@ TEST_F(LayerTreeHostFiltersPixelTest, BackgroundFilterBlurOutsets) {
 }
 
 TEST_F(LayerTreeHostFiltersPixelTest, BackgroundFilterBlurOffAxis) {
-  scoped_refptr<SolidColorLayer> background = CreateSolidColorLayer(
-      gfx::Rect(200, 200), SK_ColorWHITE);
+  scoped_refptr<SolidColorLayer> background =
+      CreateSolidColorLayer(gfx::Rect(200, 200), SK_ColorTRANSPARENT);
 
   // This verifies that the perspective of the clear layer (with black border)
   // does not influence the blending of the green box behind it. Also verifies