Add a header when fetching pages under the DMServer URL.

chrome/browser/profiles/profile_io_data.cc

Index: chrome/browser/profiles/profile_io_data.cc
diff --git a/chrome/browser/profiles/profile_io_data.cc b/chrome/browser/profiles/profile_io_data.cc
index e50779ce5fb9da6df15836c34fc522493e7cec96..917a48370b8a82fd40f708077390fed4cc4f1cf5 100644
--- a/chrome/browser/profiles/profile_io_data.cc
+++ b/chrome/browser/profiles/profile_io_data.cc
@@ -81,6 +81,14 @@
 #include "net/url_request/url_request_file_job.h"
 #include "net/url_request/url_request_job_factory_impl.h"
 
+#if defined(ENABLE_CONFIGURATION_POLICY)
+#include "chrome/browser/policy/cloud/policy_header_service.h"
+#include "chrome/browser/policy/cloud/policy_header_service_factory.h"
+#include "chrome/browser/policy/cloud/user_cloud_policy_manager.h"
+#include "chrome/browser/policy/cloud/user_cloud_policy_manager_factory.h"
+#include "components/policy/core/browser/policy_header_io_helper.h"
+#endif
+
 #if defined(ENABLE_MANAGED_USERS)
 #include "chrome/browser/managed_mode/managed_mode_url_filter.h"
 #include "chrome/browser/managed_mode/managed_user_service.h"
@@ -470,6 +478,16 @@ void ProfileIOData::InitializeOnUIThread(Profile* profile) {
   // in particular when this ProfileIOData isn't |initialized_| during deletion.
 #if defined(ENABLE_CONFIGURATION_POLICY)
   url_blacklist_manager_.reset(new policy::URLBlacklistManager(pref_service));
+
+  if (!is_incognito()) {
+    // Add policy headers for non-incognito requests.
+    policy::PolicyHeaderService* policy_header_service =
+        policy::PolicyHeaderServiceFactory::GetForBrowserContext(profile);
+    if (policy_header_service) {
+      policy_header_helper_ = policy_header_service->CreatePolicyHeaderIOHelper(
+          io_message_loop_proxy);
+    }
+  }
 #endif
 
   initialized_on_UI_thread_ = true;