Restart Chrome if per session flags have been specified on ChromeOS.

chrome/browser/about_flags.h

Index: chrome/browser/about_flags.h
diff --git a/chrome/browser/about_flags.h b/chrome/browser/about_flags.h
index 899e0326b297138eb4b2b2d01a51408f459a7688..a8f25dbd1b8e27f67b0f44a57619e899277592cb 100644
--- a/chrome/browser/about_flags.h
+++ b/chrome/browser/about_flags.h
@@ -107,6 +107,12 @@ struct Experiment {
 // commandline flags belonging to the active experiments to |command_line|.
 void ConvertFlagsToSwitches(PrefService* prefs, CommandLine* command_line);
 
+// Compares a set of switches present in the provided command line to those
+// in the current process command line and returns true if they are the same

[Mattias Nissler (ping if slow), 2013/06/12 14:53:03]

nit: you're actually passing both CommandLine references in.

[pastarmovj, 2013/06/12 16:19:33]

This comment was outdated. I changed this for better testability. Fixed.

+// and false otherwise.
+bool CompareSwitchesToCurrentCommandLine(const CommandLine& new_cmdline,
+                                         const CommandLine& active_cmdline);
+
 // Differentiate between generic flags available on a per session base and flags
 // that influence the whole machine and can be said by the admin only. This flag
 // is relevant for ChromeOS for now only and dictates whether entries marked