Add "critical" parameter to DMServer requests.

components/policy/core/common/cloud/cloud_policy_constants.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 "components/policy/core/common/cloud/cloud_policy_constants.h"
 
 #include <stdint.h>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "build/build_config.h"
 #include "components/policy/core/common/policy_switches.h"
 #include "components/policy/proto/device_management_backend.pb.h"
 
 namespace em = enterprise_management;
 
 namespace policy {
 
 // Constants related to the device management protocol.
 namespace dm_protocol {
 
 // Name constants for URL query parameters.
 const char kParamAgent[] = "agent";
 const char kParamAppType[] = "apptype";
+const char kParamCritical[] = "critical";
 const char kParamDeviceID[] = "deviceid";
 const char kParamDeviceType[] = "devicetype";
 const char kParamLastError[] = "lasterror";
 const char kParamOAuthToken[] = "oauth_token";
 const char kParamPlatform[] = "platform";
 const char kParamRequest[] = "request";
 const char kParamRetry[] = "retry";
 
 // String constants for the device and app type we report to the server.
 const char kValueAppType[] = "Chrome";
@@ skipping 64 matching lines @@
   base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
   if (command_line->HasSwitch(switches::kDisablePolicyKeyVerification)) {
     return std::string();
   } else {
     return std::string(reinterpret_cast<const char*>(kPolicyVerificationKey),
                        sizeof(kPolicyVerificationKey));
   }
 }
 
 }  // namespace policy