Migrate WTF::HashMap::get() to ::at()

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 171 matching lines @@
 
   v8::Local<v8::Function> paint = v8::Local<v8::Function>::Cast(paintValue);
 
   CSSPaintDefinition* definition = CSSPaintDefinition::create(
       scriptController()->getScriptState(), constructor, paint,
       nativeInvalidationProperties, customInvalidationProperties,
       inputArgumentTypes, hasAlpha);
   m_paintDefinitions.set(name, definition);
 
   // Set the definition on any pending generators.
-  GeneratorHashSet* set = m_pendingGenerators.get(name);
+  GeneratorHashSet* set = m_pendingGenerators.at(name);
   if (set) {
     for (const auto& generator : *set) {
       if (generator) {
         generator->setDefinition(definition);
       }
     }
   }
   m_pendingGenerators.erase(name);
 }
 
 CSSPaintDefinition* PaintWorkletGlobalScope::findDefinition(
     const String& name) {
-  return m_paintDefinitions.get(name);
+  return m_paintDefinitions.at(name);
 }
 
 void PaintWorkletGlobalScope::addPendingGenerator(
     const String& name,
     CSSPaintImageGeneratorImpl* generator) {
   Member<GeneratorHashSet>& set =
       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