Make HttpNetworkSession::host_mapping_rules no longer a pointer.

net/base/host_mapping_rules.cc

Index: net/base/host_mapping_rules.cc
diff --git a/net/base/host_mapping_rules.cc b/net/base/host_mapping_rules.cc
index 3c24b245942319b069d18f7b5f791fc04e8baa09..b8fef178e7a7f8f9c2751b2fa8b63917fed823eb 100644
--- a/net/base/host_mapping_rules.cc
+++ b/net/base/host_mapping_rules.cc
@@ -28,22 +28,17 @@ struct HostMappingRules::ExclusionRule {
 
 HostMappingRules::HostMappingRules() {}
 
+HostMappingRules::HostMappingRules(const HostMappingRules& host_mapping_rules) =
+    default;
+
 HostMappingRules::~HostMappingRules() {}
 
-bool HostMappingRules::RewriteHost(HostPortPair* host_port) const {
-  // Check if the hostname was excluded.
-  for (ExclusionRuleList::const_iterator it = exclusion_rules_.begin();
-       it != exclusion_rules_.end(); ++it) {
-    const ExclusionRule& rule = *it;
-    if (base::MatchPattern(host_port->host(), rule.hostname_pattern))
-      return false;
-  }
+HostMappingRules& HostMappingRules::operator=(
+    const HostMappingRules& host_mapping_rules) = default;
 
+bool HostMappingRules::RewriteHost(HostPortPair* host_port) const {
   // Check if the hostname was remapped.
-  for (MapRuleList::const_iterator it = map_rules_.begin();
-       it != map_rules_.end(); ++it) {
-    const MapRule& rule = *it;
-
+  for (const auto& rule : map_rules_) {
     // The rule's hostname_pattern will be something like:
     //     www.foo.com
     //     *.foo.com
@@ -57,6 +52,12 @@ bool HostMappingRules::RewriteHost(HostPortPair* host_port) const {
         continue;  // This rule doesn't apply.
     }
 
+    // Check if the hostname was excluded.
+    for (const auto& rule : exclusion_rules_) {
+      if (base::MatchPattern(host_port->host(), rule.hostname_pattern))
+        return false;
+    }
+
     host_port->set_host(rule.replacement_hostname);
     if (rule.replacement_port != -1)
       host_port->set_port(static_cast<uint16_t>(rule.replacement_port));