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

third_party/WebKit/Source/platform/weborigin/SecurityPolicy.cpp

 /*
  * Copyright (C) 2011 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:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 162 matching lines @@
 bool SecurityPolicy::isUrlWhiteListedTrustworthy(const KURL& url) {
   // Early return to avoid initializing the SecurityOrigin.
   if (trustworthyOriginSet().isEmpty())
     return false;
   return isOriginWhiteListedTrustworthy(*SecurityOrigin::create(url).get());
 }
 
 bool SecurityPolicy::isAccessWhiteListed(const SecurityOrigin* activeOrigin,
                                          const SecurityOrigin* targetOrigin) {
   if (OriginAccessWhiteList* list =
-          originAccessMap().get(activeOrigin->toString())) {
+          originAccessMap().at(activeOrigin->toString())) {
     for (size_t i = 0; i < list->size(); ++i) {
       if (list->at(i).matchesOrigin(*targetOrigin) !=
           OriginAccessEntry::DoesNotMatchOrigin)
         return true;
     }
   }
   return false;
 }
 
 bool SecurityPolicy::isAccessToURLWhiteListed(
@@ skipping 115 matching lines @@
   }
 
   if (referrerPolicy == ReferrerPolicyDefault)
     return false;
 
   *result = referrerPolicy;
   return true;
 }
 
 }  // namespace blink