Relanding this as this did not fix the chromiumos breakage.

chrome/browser/policy/cloud_policy_subsystem.cc

Index: chrome/browser/policy/cloud_policy_subsystem.cc
===================================================================
--- chrome/browser/policy/cloud_policy_subsystem.cc	(revision 150399)
+++ chrome/browser/policy/cloud_policy_subsystem.cc	(working copy)
@@ -50,13 +50,8 @@
 
 CloudPolicySubsystem::CloudPolicySubsystem(
     CloudPolicyDataStore* data_store,
-    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);
-  }
+    CloudPolicyCacheBase* policy_cache,
+    const std::string& device_management_url) {
   Initialize(data_store, policy_cache, device_management_url);
 }