Allow multiple logging::LogMessage{Handler,Listener}s

third_party/crashpad/crashpad/util/thread/thread_log_messages.cc

Index: third_party/crashpad/crashpad/util/thread/thread_log_messages.cc
diff --git a/third_party/crashpad/crashpad/util/thread/thread_log_messages.cc b/third_party/crashpad/crashpad/util/thread/thread_log_messages.cc
index 7f67e458379bdda2a73498f1c7cbe28d05113b20..686ac24979fc0e44bdfa7421bff755fc608b621c 100644
--- a/third_party/crashpad/crashpad/util/thread/thread_log_messages.cc
+++ b/third_party/crashpad/crashpad/util/thread/thread_log_messages.cc
@@ -41,19 +41,18 @@ class ThreadLogMessagesMaster {
     tls_.Initialize(nullptr);
     DCHECK(tls_.initialized());
 
-    DCHECK(!logging::GetLogMessageHandler());
-    logging::SetLogMessageHandler(LogMessageHandler);
+    logging::PushLogMessageHandler(LogMessageHandler);
   }
 
   ~ThreadLogMessagesMaster() {
-    DCHECK_EQ(logging::GetLogMessageHandler(), LogMessageHandler);
-    logging::SetLogMessageHandler(nullptr);
+    DCHECK_EQ(logging::GetTopLogMessageHandler(), LogMessageHandler);
+    logging::PopLogMessageHandler();
 
     tls_.Free();
   }
 
   void SetThreadMessageList(std::vector<std::string>* message_list) {
-    DCHECK_EQ(logging::GetLogMessageHandler(), LogMessageHandler);
+    DCHECK_EQ(logging::GetTopLogMessageHandler(), LogMessageHandler);
     DCHECK_NE(tls_.Get() != nullptr, message_list != nullptr);
     tls_.Set(message_list);
   }