cc: Enable composited border-radius scrolling.

cc/layers/solid_color_layer_impl.cc

Index: cc/layers/solid_color_layer_impl.cc
diff --git a/cc/layers/solid_color_layer_impl.cc b/cc/layers/solid_color_layer_impl.cc
index c5b7574ccee75d9668ba91352810537a98116766..85175a9ee7df7fed1a58096ae27bba45a8023917 100644
--- a/cc/layers/solid_color_layer_impl.cc
+++ b/cc/layers/solid_color_layer_impl.cc
@@ -33,7 +33,8 @@ void SolidColorLayerImpl::AppendSolidQuads(
     SharedQuadState* shared_quad_state,
     const gfx::Rect& visible_layer_rect,
     SkColor color,
-    AppendQuadsData* append_quads_data) {
+    AppendQuadsData* append_quads_data,
+    Layer::LayerMaskType mask_type) {
   float alpha =
       (SkColorGetA(color) * (1.0f / 255.0f)) * shared_quad_state->opacity;
   DCHECK_EQ(SkBlendMode::kSrcOver, shared_quad_state->blend_mode);
@@ -81,7 +82,7 @@ void SolidColorLayerImpl::AppendQuads(
   // |bounds()| here.
   AppendSolidQuads(render_pass, draw_properties().occlusion_in_content_space,
                    shared_quad_state, gfx::Rect(bounds()), background_color(),
-                   append_quads_data);
+                   append_quads_data, Layer::LayerMaskType::NOT_MASK);
 }
 
 const char* SolidColorLayerImpl::LayerTypeAsString() const {