Update from https://crrev.com/306655

cc/trees/layer_tree_host_common.cc

 // Copyright 2011 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.
 
 #include "cc/trees/layer_tree_host_common.h"
 
 #include <algorithm>
 
 #include "base/debug/trace_event.h"
 #include "cc/base/math_util.h"
@@ skipping 374 matching lines @@
 
   // Nothing is visible if the layer bounds are empty.
   if (!layer->DrawsContent() || layer->content_bounds().IsEmpty() ||
       layer->drawable_content_rect().IsEmpty())
     return gfx::Rect();
 
   // Compute visible bounds in target surface space.
   gfx::Rect visible_rect_in_target_surface_space =
       layer->drawable_content_rect();
 
-  if (!layer->render_target()->render_surface()->clip_rect().IsEmpty()) {
+  if (layer->render_target()->render_surface()->is_clipped()) {
     // The |layer| L has a target T which owns a surface Ts. The surface Ts
     // has a target TsT.
     //
     // In this case the target surface Ts does clip the layer L that contributes
     // to it. So, we have to convert the clip rect of Ts from the target space
     // of Ts (that is the space of TsT), to the current render target's space
     // (that is the space of T). This conversion is done outside this function
     // so that it can be cached instead of computing it redundantly for every
     // layer.
     visible_rect_in_target_surface_space.Intersect(
@@ skipping 2043 matching lines @@
       inputs->current_render_surface_layer_list_id);
 
   // The dummy layer list should not have been used.
   DCHECK_EQ(0u, dummy_layer_list.size());
   // A root layer render_surface should always exist after
   // CalculateDrawProperties.
   DCHECK(inputs->root_layer->render_surface());
 }
 
 }  // namespace cc