Reverting this as it causes browser tests on the Linux ChromiumOS builder to fail.

chrome/browser/policy/cloud_policy_subsystem.cc

Index: chrome/browser/policy/cloud_policy_subsystem.cc
===================================================================
--- chrome/browser/policy/cloud_policy_subsystem.cc	(revision 150390)
+++ chrome/browser/policy/cloud_policy_subsystem.cc	(working copy)
@@ -50,8 +50,13 @@
 
 CloudPolicySubsystem::CloudPolicySubsystem(
     CloudPolicyDataStore* data_store,
-    CloudPolicyCacheBase* policy_cache,
-    const std::string& device_management_url) {
+    CloudPolicyCacheBase* policy_cache) {
+  std::string device_management_url;
+  CommandLine* command_line = CommandLine::ForCurrentProcess();
+  if (command_line->HasSwitch(switches::kDeviceManagementUrl)) {
+    device_management_url =
+        command_line->GetSwitchValueASCII(switches::kDeviceManagementUrl);
+  }
   Initialize(data_store, policy_cache, device_management_url);
 }