Removed --disable-background-mode/restore-background-contents flags.

cloud_print/service/win/chrome_launcher.cc

Index: cloud_print/service/win/chrome_launcher.cc
diff --git a/cloud_print/service/win/chrome_launcher.cc b/cloud_print/service/win/chrome_launcher.cc
index bb4db024e5c0736a5698f05cced274b3e0f155a5..51f1253e4ffee6683ee6d3594a170bcfa6a97f7b 100644
--- a/cloud_print/service/win/chrome_launcher.cc
+++ b/cloud_print/service/win/chrome_launcher.cc
@@ -209,7 +209,6 @@ void ChromeLauncher::Run() {
 
       // Optional.
       cmd.AppendSwitch(switches::kAutoLaunchAtStartup);
-      cmd.AppendSwitch(switches::kDisableBackgroundMode);
       cmd.AppendSwitch(switches::kDisableDefaultApps);
       cmd.AppendSwitch(switches::kDisableExtensions);
       cmd.AppendSwitch(switches::kDisableGpu);
@@ -284,7 +283,6 @@ std::string ChromeLauncher::CreateServiceStateFile(
   cmd.AppendSwitch(switches::kNoServiceAutorun);
 
   // Optional.
-  cmd.AppendSwitch(switches::kDisableBackgroundMode);
   cmd.AppendSwitch(switches::kDisableDefaultApps);
   cmd.AppendSwitch(switches::kDisableExtensions);
   cmd.AppendSwitch(switches::kDisableSync);
@@ -320,4 +318,3 @@ std::string ChromeLauncher::CreateServiceStateFile(
     }
   }
 }
-