Revert "Add support for removing and adding --dom-login from arguments"

child_job.h

Index: child_job.h
diff --git a/child_job.h b/child_job.h
index 9ffdec4af59bf350f810685c558b16ff6368437e..c218ba663338c6838c93c83712e4302e2f693876 100644
--- a/child_job.h
+++ b/child_job.h
@@ -99,7 +99,6 @@ class ChildJob : public ChildJobInterface {
   static const char kLoginManagerFlag[];
   // The flag to pass to chrome to tell it which user has logged in.
   static const char kLoginUserFlag[];
-  static const char kDOMLoginFlag[];
   // The flag to pass to chrome when starting "Browse Without Sign In" mode.
   static const char kBWSIFlag[];
   // Suffix matched against each job's argv[0] to determine if it's the window
@@ -145,7 +144,6 @@ class ChildJob : public ChildJobInterface {
   // Indicates if we removed login manager flag when session started so we
   // add it back when session stops.
   bool removed_login_manager_flag_;
-  bool removed_dom_login_flag_;
 
   FRIEND_TEST(ChildJobTest, InitializationTest);
   FRIEND_TEST(ChildJobTest, ShouldStopTest);