Migrate WTF::HashSet::add() to ::insert() [part 1 of N]

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/property_tree.h"
@@ skipping 336 matching lines @@
     return;
   DCHECK(nextEffect);
 
   buildEffectNodesRecursively(nextEffect->parent());
   DCHECK_EQ(nextEffect->parent(), currentEffectNode());
 
 #if DCHECK_IS_ON()
   DCHECK(!m_effectNodesConverted.contains(nextEffect))
       << "Malformed paint artifact. Paint chunks under the same effect should "
          "be contiguous.";
-  m_effectNodesConverted.add(nextEffect);
+  m_effectNodesConverted.insert(nextEffect);
 #endif
 
   // An effect node can't omit render surface if it has child with exotic
   // blending mode. See comments below for more detail.
   // TODO(crbug.com/504464): Remove premature optimization here.
   if (nextEffect->blendMode() != SkBlendMode::kSrcOver) {
     effectTree()
         .Node(getCurrentCompositorEffectNodeIndex())
         ->has_render_surface = true;
   }
@@ skipping 36 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