Fix SecureOriginWhiteListTest.UnsafelyTreatInsecureOriginAsSecure to not leak test state

content/common/origin_util.cc

 // 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 "content/public/common/origin_util.h"
 
 #include "base/lazy_instance.h"
 #include "base/macros.h"
 #include "base/stl_util.h"
 #include "content/public/common/content_client.h"
 #include "net/base/url_util.h"
 #include "url/gurl.h"
 
 namespace content {
 
 namespace {
 
 class SchemeAndOriginWhitelist {
  public:
   SchemeAndOriginWhitelist() { Reset(); }
   ~SchemeAndOriginWhitelist() {}
 
   void Reset() {
+    secure_schemes_.clear();
+    secure_origins_.clear();
+    service_worker_schemes_.clear();
     GetContentClient()->AddSecureSchemesAndOrigins(&secure_schemes_,
                                                    &secure_origins_);
     GetContentClient()->AddServiceWorkerSchemes(&service_worker_schemes_);
   }
 
   const std::set<std::string>& secure_schemes() const {
     return secure_schemes_;
   }
   const std::set<GURL>& secure_origins() const { return secure_origins_; }
   const std::set<std::string>& service_worker_schemes() const {
@@ skipping 46 matching lines @@
   }
 
   return false;
 }
 
 void ResetSchemesAndOriginsWhitelistForTesting() {
   g_trustworthy_whitelist.Get().Reset();
 }
 
 }  // namespace content