cc: Remove support for disabling non-root render surfaces.

third_party/WebKit/Source/platform/graphics/compositing/PropertyTreeManager.cpp

 // Copyright 2015 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 "platform/graphics/compositing/PropertyTreeManager.h"
 
 #include "cc/layers/layer.h"
 #include "cc/trees/clip_node.h"
 #include "cc/trees/effect_node.h"
 #include "cc/trees/layer_tree_host.h"
@@ skipping 216 matching lines @@
       id;
 
   // TODO(jbroman): Don't discard rounded corners.
   compositorNode.clip = clipNode->clipRect().rect();
   compositorNode.transform_id =
       ensureCompositorTransformNode(clipNode->localTransformSpace());
   compositorNode.target_transform_id = kRealRootNodeId;
   compositorNode.target_effect_id = kSecondaryRootNodeId;
   compositorNode.clip_type = cc::ClipNode::ClipType::APPLIES_LOCAL_CLIP;
   compositorNode.layers_are_clipped = true;
-  compositorNode.layers_are_clipped_when_surfaces_disabled = true;
 
   m_rootLayer->AddChild(dummyLayer);
   dummyLayer->SetTransformTreeIndex(compositorNode.transform_id);
   dummyLayer->SetClipTreeIndex(id);
   dummyLayer->SetEffectTreeIndex(kSecondaryRootNodeId);
   dummyLayer->SetScrollTreeIndex(kRealRootNodeId);
   dummyLayer->set_property_tree_sequence_number(kPropertyTreeSequenceNumber);
 
   auto result = m_clipNodeMap.set(clipNode, id);
   DCHECK(result.isNewEntry);
@@ skipping 164 matching lines @@
   m_effectStack.push_back(BlinkEffectAndCcIdPair{nextEffect, effectNode.id});
 
   dummyLayer->set_property_tree_sequence_number(kPropertyTreeSequenceNumber);
   dummyLayer->SetTransformTreeIndex(kSecondaryRootNodeId);
   dummyLayer->SetClipTreeIndex(outputClipId);
   dummyLayer->SetEffectTreeIndex(effectNode.id);
   dummyLayer->SetScrollTreeIndex(kRealRootNodeId);
 }
 
 }  // namespace blink