cc: Enable composited border-radius scrolling.

cc/layers/solid_color_layer_impl.h

Index: cc/layers/solid_color_layer_impl.h
diff --git a/cc/layers/solid_color_layer_impl.h b/cc/layers/solid_color_layer_impl.h
index ed0b2de065fbf76870ca61e1343e986588ce2ad6..824fe52216fffcbfb131fcd91f1d40ee181df436 100644
--- a/cc/layers/solid_color_layer_impl.h
+++ b/cc/layers/solid_color_layer_impl.h
@@ -10,6 +10,7 @@
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "cc/cc_export.h"
+#include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
 
 namespace cc {
@@ -26,7 +27,8 @@ class CC_EXPORT SolidColorLayerImpl : public LayerImpl {
                                SharedQuadState* shared_quad_state,
                                const gfx::Rect& visible_layer_rect,
                                SkColor color,
-                               AppendQuadsData* append_quads_data);
+                               AppendQuadsData* append_quads_data,
+                               Layer::LayerMaskType mask_type);
 
   ~SolidColorLayerImpl() override;