Added "--login-user=" option for the Guest session.

chrome/browser/ui/browser_navigator_browsertest_chromeos.cc

Index: chrome/browser/ui/browser_navigator_browsertest_chromeos.cc
diff --git a/chrome/browser/ui/browser_navigator_browsertest_chromeos.cc b/chrome/browser/ui/browser_navigator_browsertest_chromeos.cc
index 960d24409a5611d49dc2ff0721d3348ebc0438ce..a29883c97c766fea93e0a8d9cca71daf6b86b485 100644
--- a/chrome/browser/ui/browser_navigator_browsertest_chromeos.cc
+++ b/chrome/browser/ui/browser_navigator_browsertest_chromeos.cc
@@ -5,6 +5,7 @@
 #include "chrome/browser/ui/browser_navigator_browsertest.h"
 
 #include "base/command_line.h"
+#include "chrome/common/chrome_switches.h"
 #include "chrome/browser/chromeos/login/login_utils.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
 #include "chrome/browser/ui/browser.h"
@@ -18,6 +19,7 @@ class BrowserGuestSessionNavigatorTest: public BrowserNavigatorTest {
  protected:
   virtual void SetUpCommandLine(CommandLine* command_line) {
     CommandLine command_line_copy = *command_line;
+    command_line_copy.AppendSwitchASCII(switches::kLoginProfile, "user");
     chromeos::LoginUtils::Get()->GetOffTheRecordCommandLine(GetGoogleURL(),
                                                             command_line_copy,
                                                             command_line);