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

third_party/WebKit/Source/core/animation/css/CSSAnimations.cpp

 /*
  * Copyright (C) 2013 Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 530 matching lines @@
 
     CSSPropertyID id = newTransition.id;
     const InertEffect* inertAnimation = newTransition.effect.get();
     TransitionEventDelegate* eventDelegate =
         new TransitionEventDelegate(element, id);
 
     EffectModel* model = inertAnimation->model();
 
     if (retargetedCompositorTransitions.contains(id)) {
       const std::pair<Member<KeyframeEffectReadOnly>, double>& oldTransition =
-          retargetedCompositorTransitions.get(id);
+          retargetedCompositorTransitions.at(id);
       KeyframeEffectReadOnly* oldAnimation = oldTransition.first;
       double oldStartTime = oldTransition.second;
       double inheritedTime =
           isNull(oldStartTime)
               ? 0
               : element->document().timeline().currentTimeInternal() -
                     oldStartTime;
 
       TransitionKeyframeEffectModel* oldEffect =
           toTransitionKeyframeEffectModel(inertAnimation->model());
@@ skipping 353 matching lines @@
     for (const auto& entry : update.newTransitions())
       newTransitions.push_back(entry.value.effect.get());
 
     HeapHashSet<Member<const Animation>> cancelledAnimations;
     if (!update.cancelledTransitions().isEmpty()) {
       DCHECK(elementAnimations);
       const TransitionMap& transitionMap =
           elementAnimations->cssAnimations().m_transitions;
       for (CSSPropertyID id : update.cancelledTransitions()) {
         DCHECK(transitionMap.contains(id));
-        cancelledAnimations.insert(transitionMap.get(id).animation.get());
+        cancelledAnimations.insert(transitionMap.at(id).animation.get());
       }
     }
 
     activeInterpolationsForTransitions = EffectStack::activeInterpolations(
         effectStack, &newTransitions, &cancelledAnimations,
         KeyframeEffectReadOnly::TransitionPriority, isStylePropertyHandle);
   }
 
   // Properties being animated by animations don't get values from transitions
   // applied.
@@ skipping 175 matching lines @@
              isCustomPropertyHandle);
 }
 
 DEFINE_TRACE(CSSAnimations) {
   visitor->trace(m_transitions);
   visitor->trace(m_pendingUpdate);
   visitor->trace(m_runningAnimations);
 }
 
 }  // namespace blink