Reduce frequency of IPv6 probes in HostResolverImpl.

net/log/test_net_log_entry.h

 // Copyright 2014 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.
 
 #ifndef NET_LOG_TEST_NET_LOG_ENTRY_H_
 #define NET_LOG_TEST_NET_LOG_ENTRY_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 29 matching lines @@
 
   // Equality operator needed to store in a std::vector because of the
   // scoped_ptr.
   TestNetLogEntry& operator=(const TestNetLogEntry& entry);
 
   // Attempt to retrieve an value of the specified type with the given name
   // from |params|.  Returns true on success, false on failure.  Does not
   // modify |value| on failure.
   bool GetStringValue(const std::string& name, std::string* value) const;
   bool GetIntegerValue(const std::string& name, int* value) const;
+  bool GetBooleanValue(const std::string& name, bool* value) const;
   bool GetListValue(const std::string& name, base::ListValue** value) const;
 
   // Same as GetIntegerValue, but returns the error code associated with a
   // log entry.
   bool GetNetErrorCode(int* value) const;
 
   // Returns the parameters as a JSON string, or empty string if there are no
   // parameters.
   std::string GetParamsJson() const;
 
   NetLog::EventType type;
   base::TimeTicks time;
   NetLog::Source source;
   NetLog::EventPhase phase;
   scoped_ptr<base::DictionaryValue> params;
 };
 
 }  // namespace net
 
 #endif  // NET_LOG_TEST_NET_LOG_ENTRY_H_