Reduce chrome cras dbus call logs during device rebooting.

chrome/browser/chromeos/chrome_browser_main_chromeos.cc

Index: chrome/browser/chromeos/chrome_browser_main_chromeos.cc
diff --git a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
index 37b08997f28986e3975e0fd376879d3643a49ee8..b2f7b38ecd83ad50e6bc6617ec6dd3bff412fe9a 100644
--- a/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
+++ b/chrome/browser/chromeos/chrome_browser_main_chromeos.cc
@@ -237,6 +237,10 @@ void OptionallyRunChromeOSLoginManager(const CommandLine& parsed_command_line,
         parsed_command_line.GetSwitchValueASCII(switches::kLoginPassword));
   } else {
     if (!parsed_command_line.HasSwitch(::switches::kTestName)) {
+      // Enable CrasAudioHandler logging when chrome restarts after crashing.
+      if (chromeos::CrasAudioHandler::IsInitialized())
+        chromeos::CrasAudioHandler::Get()->EnableLog();
+
       // We did not log in (we crashed or are debugging), so we need to
       // restore Sync.
       LoginUtils::Get()->RestoreAuthenticationSession(profile);