Revert of Send GCM id to DMServer

components/policy/core/common/cloud/cloud_policy_client.h

Index: components/policy/core/common/cloud/cloud_policy_client.h
diff --git a/components/policy/core/common/cloud/cloud_policy_client.h b/components/policy/core/common/cloud/cloud_policy_client.h
index c672700cc8517cac283b7f64f8252a6f2a6fcc02..41e87f7341b39dfb9b1dbec9887d6f01f2fe28dd 100644
--- a/components/policy/core/common/cloud/cloud_policy_client.h
+++ b/components/policy/core/common/cloud/cloud_policy_client.h
@@ -172,12 +172,6 @@
                               const std::string& location,
                               const StatusCallback& callback);
 
-  // Sends a GCM id update request to the DM server. The server will
-  // associate the DM token in authorization header with |gcm_id|, and
-  // |callback| will be called when the operation completes.
-  virtual void UpdateGcmId(const std::string& gcm_id,
-                           const StatusCallback& callback);
-
   // Adds an observer to be called back upon policy and state changes.
   void AddObserver(Observer* observer);
 
@@ -325,14 +319,6 @@
 
   // Callback for device attribute update requests.
   void OnDeviceAttributeUpdated(
-      const DeviceManagementRequestJob* job,
-      const StatusCallback& callback,
-      DeviceManagementStatus status,
-      int net_error,
-      const enterprise_management::DeviceManagementResponse& response);
-
-  // Callback for gcm id update requests.
-  void OnGcmIdUpdated(
       const DeviceManagementRequestJob* job,
       const StatusCallback& callback,
       DeviceManagementStatus status,