Add a header when fetching pages under the DMServer URL.

chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/renderer_host/chrome_resource_dispatcher_host_delegate.h"
 
 #include <string>
 
 #include "base/base64.h"
 #include "base/logging.h"
@@ skipping 38 matching lines @@
 #include "content/public/common/resource_response.h"
 #include "extensions/browser/info_map.h"
 #include "extensions/common/constants.h"
 #include "extensions/common/user_script.h"
 #include "net/base/load_flags.h"
 #include "net/base/load_timing_info.h"
 #include "net/base/request_priority.h"
 #include "net/http/http_response_headers.h"
 #include "net/url_request/url_request.h"
 
+#if defined(ENABLE_CONFIGURATION_POLICY)
+#include "components/policy/core/browser/policy_header_io_helper.h"
+#endif
+
 #if defined(ENABLE_MANAGED_USERS)
 #include "chrome/browser/managed_mode/managed_mode_resource_throttle.h"
 #endif
 
 #if defined(USE_SYSTEM_PROTOBUF)
 #include <google/protobuf/repeated_field.h>
 #else
 #include "third_party/protobuf/src/google/protobuf/repeated_field.h"
 #endif
 
@@ skipping 212 matching lines @@
                       incognito,
                       !incognito && io_data->GetMetricsEnabledStateOnIOThread(),
                       &headers);
     request->SetExtraRequestHeaders(headers);
   }
 
 #if defined(ENABLE_ONE_CLICK_SIGNIN)
   AppendChromeSyncGaiaHeader(request, resource_context);
 #endif
 
+#if defined(ENABLE_CONFIGURATION_POLICY)
+  if (io_data->policy_header_helper())
+    io_data->policy_header_helper()->AddPolicyHeaders(request);
+#endif
+
   const ResourceRequestInfo* info = ResourceRequestInfo::ForRequest(request);
   signin::AppendMirrorRequestHeaderIfPossible(
       request, GURL() /* redirect_url */,
       io_data, info->GetChildID(), info->GetRouteID());
 
   AppendStandardResourceThrottles(request,
                                   resource_context,
                                   resource_type,
                                   throttles);
   if (!is_prerendering) {
@@ skipping 337 matching lines @@
   // exception is requests from gaia webview, since the native profile
   // management UI is built on top of it.
   signin::AppendMirrorRequestHeaderIfPossible(request, redirect_url, io_data,
       info->GetChildID(), info->GetRouteID());
 
   if (io_data->resource_prefetch_predictor_observer()) {
     io_data->resource_prefetch_predictor_observer()->OnRequestRedirected(
         redirect_url, request);
   }
 }