Add list of plugged-in USB devices to feedback reports

chrome/browser/chromeos/system_logs/command_line_log_source.cc

Index: chrome/browser/chromeos/system_logs/command_line_log_source.cc
diff --git a/chrome/browser/chromeos/system_logs/command_line_log_source.cc b/chrome/browser/chromeos/system_logs/command_line_log_source.cc
index df312dc988ad3f1dd44bd7f79c8a509f3d367d1f..55290e7ed0d9cd6c45de3b9b799c1fd30cf41693 100644
--- a/chrome/browser/chromeos/system_logs/command_line_log_source.cc
+++ b/chrome/browser/chromeos/system_logs/command_line_log_source.cc
@@ -80,6 +80,12 @@ void ExecuteCommandLines(system_logs::SystemLogsResponse* response) {
     commands.push_back(std::make_pair("system_files", command));
   }
 
+  // Track the list of plugged-in USB devices.
+  command = base::CommandLine(base::FilePath("/bin/sh"));
+  command.AppendArg("-c");
+  command.AppendArg("/usr/bin/lsusb -t");
+  commands.emplace_back("usb_devices", command);

[xiyuan, 2017/05/02 06:07:04]

Do you want to update other push_back s ?

+
   // Get disk space usage information
   command = base::CommandLine(base::FilePath("/bin/df"));
   commands.push_back(std::make_pair("disk_usage", command));