[m52] Make Alt-Svc: clear work with canonical hosts

net/http/http_server_properties_impl.cc

 // Copyright (c) 2012 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 "net/http/http_server_properties_impl.h"
 
 #include <algorithm>
 #include <memory>
 #include <utility>
 
@@ skipping 389 matching lines @@
       AlternativeServiceInfoVector(
           /*size=*/1, AlternativeServiceInfo(alternative_service, expiration)));
 }
 
 bool HttpServerPropertiesImpl::SetAlternativeServices(
     const url::SchemeHostPort& origin,
     const AlternativeServiceInfoVector& alternative_service_info_vector) {
   AlternativeServiceMap::iterator it = alternative_service_map_.Peek(origin);
 
   if (alternative_service_info_vector.empty()) {
-    if (it == alternative_service_map_.end()) {
-      return false;
-    }
+    bool found = it != alternative_service_map_.end();
     ClearAlternativeServices(origin);
-    return true;
+    return found;
   }
 
   bool changed = true;
   if (it != alternative_service_map_.end()) {
     DCHECK(!it->second.empty());
     if (it->second.size() == alternative_service_info_vector.size()) {
       changed = !std::equal(it->second.begin(), it->second.end(),
                             alternative_service_info_vector.begin());
     }
   }
@@ skipping 315 matching lines @@
 
   return canonical_host_to_origin_map_.end();
 }
 
 void HttpServerPropertiesImpl::RemoveCanonicalHost(
     const url::SchemeHostPort& server) {
   CanonicalHostMap::const_iterator canonical = GetCanonicalHost(server);
   if (canonical == canonical_host_to_origin_map_.end())
     return;
 
-  if (!canonical->second.Equals(server))
-    return;
-
   canonical_host_to_origin_map_.erase(canonical->first);
 }
 
 void HttpServerPropertiesImpl::ExpireBrokenAlternateProtocolMappings() {
   base::TimeTicks now = base::TimeTicks::Now();
   while (!broken_alternative_services_.empty()) {
     BrokenAlternativeServices::iterator it =
         broken_alternative_services_.begin();
     if (now < it->second) {
       break;
@@ skipping 45 matching lines @@
   base::TimeDelta delay = when > now ? when - now : base::TimeDelta();
   base::ThreadTaskRunnerHandle::Get()->PostDelayedTask(
       FROM_HERE,
       base::Bind(
           &HttpServerPropertiesImpl::ExpireBrokenAlternateProtocolMappings,
           weak_ptr_factory_.GetWeakPtr()),
       delay);
 }
 
 }  // namespace net