Migrate WTF::HashMap::add() to ::insert()

third_party/WebKit/Source/modules/csspaint/PaintWorkletGlobalScope.cpp

 // Copyright 2016 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 "modules/csspaint/PaintWorkletGlobalScope.h"
 
 #include "bindings/core/v8/V8BindingMacros.h"
 #include "bindings/core/v8/WorkerOrWorkletScriptController.h"
 #include "core/CSSPropertyNames.h"
 #include "core/css/CSSSyntaxDescriptor.h"
@@ skipping 191 matching lines @@
 
 CSSPaintDefinition* PaintWorkletGlobalScope::findDefinition(
     const String& name) {
   return m_paintDefinitions.get(name);
 }
 
 void PaintWorkletGlobalScope::addPendingGenerator(
     const String& name,
     CSSPaintImageGeneratorImpl* generator) {
   Member<GeneratorHashSet>& set =
-      m_pendingGenerators.add(name, nullptr).storedValue->value;
+      m_pendingGenerators.insert(name, nullptr).storedValue->value;
   if (!set)
     set = new GeneratorHashSet;
   set->insert(generator);
 }
 
 DEFINE_TRACE(PaintWorkletGlobalScope) {
   visitor->trace(m_paintDefinitions);
   visitor->trace(m_pendingGenerators);
   MainThreadWorkletGlobalScope::trace(visitor);
 }
 
 }  // namespace blink