Update from https://crrev.com/305340

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 "base/bind.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 49 matching lines @@
   }
 
   // Add the entries from persisted data.
   for (AlternateProtocolMap::reverse_iterator it =
            alternate_protocol_map->rbegin();
        it != alternate_protocol_map->rend(); ++it) {
     alternate_protocol_map_.Put(it->first, it->second);
   }
 
   // Attempt to find canonical servers.
-  int canonical_ports[] = { 80, 443 };
+  uint16 canonical_ports[] = { 80, 443 };
   for (size_t i = 0; i < canonical_suffixes_.size(); ++i) {
     std::string canonical_suffix = canonical_suffixes_[i];
     for (size_t j = 0; j < arraysize(canonical_ports); ++j) {
       HostPortPair canonical_host(canonical_suffix, canonical_ports[j]);
       // If we already have a valid canonical server, we're done.
       if (ContainsKey(canonical_host_to_origin_map_, canonical_host) &&
           (alternate_protocol_map_.Peek(canonical_host_to_origin_map_[
                canonical_host]) != alternate_protocol_map_.end())) {
         continue;
       }
@@ skipping 213 matching lines @@
       canonical_host_to_origin_map_[canonical_host] = server;
       break;
     }
   }
 }
 
 void HttpServerPropertiesImpl::SetBrokenAlternateProtocol(
     const HostPortPair& server) {
   AlternateProtocolMap::iterator it = alternate_protocol_map_.Get(server);
   if (it == alternate_protocol_map_.end()) {
-    LOG(DFATAL) << "Trying to mark unknown alternate protocol broken.";
-    return;
+    if (!HasAlternateProtocol(server)) {
+      LOG(DFATAL) << "Trying to mark unknown alternate protocol broken.";
+      return;
+    }
+    // This server's alternate protocol information is coming from a canonical
+    // server. Add an entry in the map for this server explicitly so that
+    // it can be marked as broken.
+    it = alternate_protocol_map_.Put(server, GetAlternateProtocol(server));
   }
   it->second.is_broken = true;
   int count = ++broken_alternate_protocol_map_[server];
   base::TimeDelta delay =
       base::TimeDelta::FromSeconds(kBrokenAlternateProtocolDelaySecs);
   BrokenAlternateProtocolEntry entry;
   entry.server = server;
   entry.when = base::TimeTicks::Now() + delay * (1 << (count - 1));
   broken_alternate_protocol_list_.push_back(entry);
 
@@ skipping 175 matching lines @@
   base::TimeDelta delay = when > now ? when - now : base::TimeDelta();
   base::MessageLoop::current()->PostDelayedTask(
       FROM_HERE,
       base::Bind(
           &HttpServerPropertiesImpl::ExpireBrokenAlternateProtocolMappings,
           weak_ptr_factory_.GetWeakPtr()),
       delay);
 }
 
 }  // namespace net