Fix leak in PolicyMap.FilterLevel.

chrome/browser/policy/policy_map.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 "chrome/browser/policy/policy_map.h"
 
 #include <algorithm>
 
 #include "base/stl_util.h"
 #include "policy/policy_constants.h"
@@ skipping 104 matching lines @@
   // Add the remaining entries.
   for ( ; iter_this != end(); ++iter_this)
       differing_keys->insert(iter_this->first);
   for ( ; iter_other != other.end(); ++iter_other)
       differing_keys->insert(iter_other->first);
 }
 
 void PolicyMap::FilterLevel(PolicyLevel level) {
   PolicyMapType::iterator iter(map_.begin());
   while (iter != map_.end()) {
-    if (iter->second.level != level)
+    if (iter->second.level != level) {
+      delete iter->second.value;
       map_.erase(iter++);
-    else
+    } else {
       ++iter;
+    }
   }
 }
 
 bool PolicyMap::Equals(const PolicyMap& other) const {
   return other.size() == size() &&
       std::equal(begin(), end(), other.begin(), MapEntryEquals);
 }
 
 bool PolicyMap::empty() const {
   return map_.empty();
@@ skipping 17 matching lines @@
   map_.clear();
 }
 
 // static
 bool PolicyMap::MapEntryEquals(const PolicyMap::PolicyMapType::value_type& a,
                                const PolicyMap::PolicyMapType::value_type& b) {
   return a.first == b.first && a.second.Equals(b.second);
 }
 
 }  // namespace policy