support multiple log message handlers in base/logging.h

net/tools/stress_cache/stress_cache.cc

Index: net/tools/stress_cache/stress_cache.cc
diff --git a/net/tools/stress_cache/stress_cache.cc b/net/tools/stress_cache/stress_cache.cc
index fefcd72f23d7177f48a743d6bc33cf610fe72b67..78ae495cfdbd70a7d3aeabdf6f8f8310c998b045 100644
--- a/net/tools/stress_cache/stress_cache.cc
+++ b/net/tools/stress_cache/stress_cache.cc
@@ -384,8 +384,10 @@ void CrashHandler(const std::string& str) {
   base::debug::BreakDebugger();
 }
 
-bool MessageHandler(int severity, const char* file, int line,
-                    size_t message_start, const std::string& str) {
+bool MessageHandler(int severity,
+                    const std::string& file,
+                    int line,
+                    const std::string& str) {
   const size_t kMaxMessageLen = 48;
   char message[kMaxMessageLen];
   size_t len = std::min(str.length() - message_start, kMaxMessageLen - 1);
@@ -415,7 +417,7 @@ int main(int argc, const char* argv[]) {
     return MasterCode();
 
   logging::SetLogAssertHandler(CrashHandler);
-  logging::SetLogMessageHandler(MessageHandler);
+  logging::AddLogMessageHandler(MessageHandler);
 
 #if defined(OS_WIN)
   logging::LogEventProvider::Initialize(kStressCacheTraceProviderName);