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

third_party/WebKit/Source/platform/feature_policy/FeaturePolicy.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 "platform/feature_policy/FeaturePolicy.h"
 
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/json/JSONValues.h"
 #include "platform/network/HTTPParsers.h"
 #include "platform/weborigin/KURL.h"
@@ skipping 273 matching lines @@
     if (!feature)
       continue;
     m_headerWhitelists.set(feature, Whitelist::from(parsedDeclaration));
   }
 }
 
 bool FeaturePolicy::isFeatureEnabledForOrigin(
     const FeaturePolicy::Feature& feature,
     const SecurityOrigin& origin) const {
   DCHECK(m_inheritedFeatures.contains(&feature));
-  if (!m_inheritedFeatures.get(&feature)) {
+  if (!m_inheritedFeatures.at(&feature)) {
     return false;
   }
   if (m_headerWhitelists.contains(&feature)) {
-    return m_headerWhitelists.get(&feature)->contains(origin);
+    return m_headerWhitelists.at(&feature)->contains(origin);
   }
   if (feature.defaultPolicy == FeaturePolicy::FeatureDefault::EnableForAll) {
     return true;
   }
   if (feature.defaultPolicy == FeaturePolicy::FeatureDefault::EnableForSelf) {
     return m_origin->isSameSchemeHostPortAndSuborigin(&origin);
   }
   return false;
 }
 
@@ skipping 25 matching lines @@
     sb.append("  ");
     sb.append(whitelist.key->featureName);
     sb.append(": ");
     sb.append(whitelist.value->toString());
     sb.append("\n");
   }
   return sb.toString();
 }
 
 }  // namespace blink