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

third_party/WebKit/Source/core/css/resolver/CSSVariableResolver.cpp

 // Copyright 2015 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 "core/css/resolver/CSSVariableResolver.h"
 
 #include "core/CSSPropertyNames.h"
 #include "core/CSSValueKeywords.h"
 #include "core/StyleBuilderFunctions.h"
 #include "core/StylePropertyShorthand.h"
@@ skipping 224 matching lines @@
 
 const CSSValue* CSSVariableResolver::resolvePendingSubstitutions(
     const StyleResolverState& state,
     CSSPropertyID id,
     const CSSPendingSubstitutionValue& pendingValue,
     bool disallowAnimationTainted) {
   // Longhands from shorthand references follow this path.
   HeapHashMap<CSSPropertyID, Member<const CSSValue>>& propertyCache =
       state.parsedPropertiesForPendingSubstitutionCache(pendingValue);
 
-  const CSSValue* value = propertyCache.get(id);
+  const CSSValue* value = propertyCache.at(id);
   if (!value) {
     // TODO(timloh): We shouldn't retry this for all longhands if the shorthand
     // ends up invalid.
     CSSVariableReferenceValue* shorthandValue = pendingValue.shorthandValue();
     CSSPropertyID shorthandPropertyId = pendingValue.shorthandPropertyId();
 
     CSSVariableResolver resolver(state);
 
     Vector<CSSParserToken> tokens;
     bool isAnimationTainted = false;
     if (resolver.resolveTokenRange(
             shorthandValue->variableDataValue()->tokens(),
             disallowAnimationTainted, tokens, isAnimationTainted)) {
       CSSParserContext* context = CSSParserContext::create(HTMLStandardMode);
 
       HeapVector<CSSProperty, 256> parsedProperties;
 
       if (CSSPropertyParser::parseValue(
               shorthandPropertyId, false, CSSParserTokenRange(tokens), context,
               parsedProperties, StyleRule::RuleType::Style)) {
         unsigned parsedPropertiesCount = parsedProperties.size();
         for (unsigned i = 0; i < parsedPropertiesCount; ++i) {
           propertyCache.set(parsedProperties[i].id(),
                             parsedProperties[i].value());
         }
       }
     }
-    value = propertyCache.get(id);
+    value = propertyCache.at(id);
   }
 
   if (value)
     return value;
 
   return CSSUnsetValue::create();
 }
 
 void CSSVariableResolver::resolveVariableDefinitions(
     const StyleResolverState& state) {
@@ skipping 43 matching lines @@
     }
   }
 }
 
 CSSVariableResolver::CSSVariableResolver(const StyleResolverState& state)
     : m_inheritedVariables(state.style()->inheritedVariables()),
       m_nonInheritedVariables(state.style()->nonInheritedVariables()),
       m_registry(state.document().propertyRegistry()) {}
 
 }  // namespace blink