Add retry and lasterror parameters to DMServer requests.

components/policy/core/common/cloud/cloud_policy_constants.cc

Index: components/policy/core/common/cloud/cloud_policy_constants.cc
diff --git a/components/policy/core/common/cloud/cloud_policy_constants.cc b/components/policy/core/common/cloud/cloud_policy_constants.cc
index 380ec12c5475a1c7f0777551daa21ab6900e12d7..0dd4e7df7447285464ec00825f8540ddb75a42a4 100644
--- a/components/policy/core/common/cloud/cloud_policy_constants.cc
+++ b/components/policy/core/common/cloud/cloud_policy_constants.cc
@@ -24,9 +24,11 @@ const char kParamAgent[] = "agent";
 const char kParamAppType[] = "apptype";
 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";