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

third_party/WebKit/Source/core/animation/animatable/AnimatableValueKeyframe.h

 // Copyright 2014 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.
 
 #ifndef AnimatableValueKeyframe_h
 #define AnimatableValueKeyframe_h
 
 #include "core/CoreExport.h"
 #include "core/animation/Keyframe.h"
 #include "core/animation/animatable/AnimatableValue.h"
@@ skipping 10 matching lines @@
   }
   void setPropertyValue(CSSPropertyID property,
                         PassRefPtr<AnimatableValue> value) {
     m_propertyValues.set(property, std::move(value));
   }
   void clearPropertyValue(CSSPropertyID property) {
     m_propertyValues.erase(property);
   }
   AnimatableValue* propertyValue(CSSPropertyID property) const {
     DCHECK(m_propertyValues.contains(property));
-    return m_propertyValues.get(property);
+    return m_propertyValues.at(property);
   }
   PropertyHandleSet properties() const override;
 
   class PropertySpecificKeyframe : public Keyframe::PropertySpecificKeyframe {
    public:
     static PassRefPtr<PropertySpecificKeyframe> create(
         double offset,
         PassRefPtr<TimingFunction> easing,
         PassRefPtr<AnimatableValue> value,
         EffectModel::CompositeOperation composite) {
@@ skipping 58 matching lines @@
                   value.isAnimatableValueKeyframe());
 DEFINE_TYPE_CASTS(AnimatableValuePropertySpecificKeyframe,
                   Keyframe::PropertySpecificKeyframe,
                   value,
                   value->isAnimatableValuePropertySpecificKeyframe(),
                   value.isAnimatableValuePropertySpecificKeyframe());
 
 }  // namespace blink
 
 #endif