Assume SchemeRegistry only operates on lowercase schemes

third_party/WebKit/Source/platform/weborigin/SchemeRegistry.h

 /*
  * Copyright (C) 2010 Apple 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
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 18 matching lines @@
 
 #include "platform/PlatformExport.h"
 #include "wtf/Allocator.h"
 #include "wtf/HashMap.h"
 #include "wtf/HashSet.h"
 #include "wtf/text/StringHash.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
-using URLSchemesSet = HashSet<String, CaseFoldingHash>;
+using URLSchemesSet = HashSet<String>;
 
 template <typename T>
-using URLSchemesMap = HashMap<String, T, CaseFoldingHash>;
+using URLSchemesMap = HashMap<String, T>;
 
 class PLATFORM_EXPORT SchemeRegistry {
   STATIC_ONLY(SchemeRegistry);
 
  public:
   static void initialize();
 
   static void registerURLSchemeAsLocal(const String&);
   static bool shouldTreatURLSchemeAsLocal(const String&);
 
@@ skipping 89 matching lines @@
       const String& scheme);
   static bool schemeShouldBypassSecureContextCheck(const String& scheme);
 
  private:
   static const URLSchemesSet& localSchemes();
 };
 
 }  // namespace blink
 
 #endif  // SchemeRegistry_h