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

third_party/WebKit/Source/modules/webgl/WebGLContextGroup.cpp

 /*
  * Copyright (C) 2011 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 17 matching lines @@
 namespace blink {
 
 WebGLContextGroup::WebGLContextGroup() : m_numberOfContextLosses(0) {}
 
 gpu::gles2::GLES2Interface* WebGLContextGroup::getAGLInterface() {
   DCHECK(!m_contexts.isEmpty());
   return (*m_contexts.begin())->contextGL();
 }
 
 void WebGLContextGroup::addContext(WebGLRenderingContextBase* context) {
-  m_contexts.add(TraceWrapperMember<WebGLRenderingContextBase>(this, context));
+  m_contexts.insert(
+      TraceWrapperMember<WebGLRenderingContextBase>(this, context));
 }
 
 void WebGLContextGroup::loseContextGroup(
     WebGLRenderingContextBase::LostContextMode mode,
     WebGLRenderingContextBase::AutoRecoveryMethod autoRecoveryMethod) {
   ++m_numberOfContextLosses;
   for (WebGLRenderingContextBase* const context : m_contexts)
     context->loseContextImpl(mode, autoRecoveryMethod);
 }
 
 uint32_t WebGLContextGroup::numberOfContextLosses() const {
   return m_numberOfContextLosses;
 }
 
 DEFINE_TRACE_WRAPPERS(WebGLContextGroup) {
   for (auto context : m_contexts) {
     visitor->traceWrappers(context);
   }
 }
 
 }  // namespace blink