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

third_party/WebKit/Source/core/animation/StringKeyframe.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 StringKeyframe_h
 #define StringKeyframe_h
 
 #include "core/animation/Keyframe.h"
 #include "core/css/StylePropertySet.h"
 
@@ skipping 37 matching lines @@
   }
 
   const CSSValue& presentationAttributeValue(CSSPropertyID property) const {
     int index = m_presentationAttributeMap->findPropertyIndex(property);
     CHECK_GE(index, 0);
     return m_presentationAttributeMap->propertyAt(static_cast<unsigned>(index))
         .value();
   }
 
   String svgPropertyValue(const QualifiedName& attributeName) const {
-    return m_svgAttributeMap.get(&attributeName);
+    return m_svgAttributeMap.at(&attributeName);
   }
 
   PropertyHandleSet properties() const override;
 
   class CSSPropertySpecificKeyframe
       : public Keyframe::PropertySpecificKeyframe {
    public:
     static PassRefPtr<CSSPropertySpecificKeyframe> create(
         double offset,
         PassRefPtr<TimingFunction> easing,
@@ skipping 112 matching lines @@
                   value.isCSSPropertySpecificKeyframe());
 DEFINE_TYPE_CASTS(SVGPropertySpecificKeyframe,
                   Keyframe::PropertySpecificKeyframe,
                   value,
                   value->isSVGPropertySpecificKeyframe(),
                   value.isSVGPropertySpecificKeyframe());
 
 }  // namespace blink
 
 #endif