Disable cras_rms from system logs

chrome/browser/chromeos/system_logs/command_line_log_source.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/chromeos/system_logs/command_line_log_source.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 19 matching lines @@
   commands.push_back(std::make_pair("alsa controls", command));
 
   command = CommandLine((base::FilePath("/usr/bin/cras_test_client")));
   command.AppendArg("--dump_server_info");
   command.AppendArg("--dump_audio_thread");
   commands.push_back(std::make_pair("cras", command));
 
   command = CommandLine((base::FilePath("/usr/bin/audio_diagnostics")));
   commands.push_back(std::make_pair("audio_diagnostics", command));
 
+#if 0
+  // This command hangs as of R39. TODO(alhli): Make cras_test_client more
+  // robust or add a wrapper script that times out, and fix this or remove
+  // this code. crbug.com/419523
   command = CommandLine((base::FilePath("/usr/bin/cras_test_client")));
   command.AppendArg("--loopback_file");
   command.AppendArg("/dev/null");
   command.AppendArg("--rate");
   command.AppendArg("44100");
   command.AppendArg("--duration_seconds");
   command.AppendArg("0.01");
   command.AppendArg("--show_total_rms");
   commands.push_back(std::make_pair("cras_rms", command));
+#endif
 
   command = CommandLine((base::FilePath("/usr/bin/printenv")));
   commands.push_back(std::make_pair("env", command));
 
   command = CommandLine(base::FilePath("/usr/bin/setxkbmap"));
   command.AppendArg("-print");
   command.AppendArg("-query");
   commands.push_back(std::make_pair("setxkbmap", command));
 
   command = CommandLine(base::FilePath("/usr/bin/xinput"));
@@ skipping 29 matching lines @@
   DCHECK(!callback.is_null());
 
   SystemLogsResponse* response = new SystemLogsResponse;
   BrowserThread::PostBlockingPoolTaskAndReply(
       FROM_HERE,
       base::Bind(&ExecuteCommandLines, response),
       base::Bind(callback, base::Owned(response)));
 }
 
 }  // namespace system_logs