Implemented consumer management unenrollment.

chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h

Index: chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
diff --git a/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h b/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
index cad94ec422177c1dd4c1c14035323e149ab644a3..557e57aa8bc2a6c6fe4039338ef492bae4a130c6 100644
--- a/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
+++ b/chrome/browser/chromeos/policy/device_cloud_policy_manager_chromeos.h
@@ -9,6 +9,7 @@
 #include <vector>
 
 #include "base/basictypes.h"
+#include "base/callback_forward.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
@@ -42,8 +43,12 @@ class DeviceCloudPolicyManagerChromeOS : public CloudPolicyManager {
    public:
     // Invoked when the device cloud policy manager connects.
     virtual void OnDeviceCloudPolicyManagerConnected() = 0;
+    // Invoked when the device cloud policy manager disconnects.
+    virtual void OnDeviceCloudPolicyManagerDisconnected() = 0;
   };
 
+  using UnregisterCallback = base::Callback<void(bool)>;
+
   // |task_runner| is the runner for policy refresh tasks.
   DeviceCloudPolicyManagerChromeOS(
       scoped_ptr<DeviceCloudPolicyStoreChromeOS> store,
@@ -86,6 +91,13 @@ class DeviceCloudPolicyManagerChromeOS : public CloudPolicyManager {
   void StartConnection(scoped_ptr<CloudPolicyClient> client_to_connect,
                        EnterpriseInstallAttributes* install_attributes);
 
+  // Sends the unregister request. |callback| is invoked with a boolean
+  // parameter indicating the result when done.
+  virtual void Unregister(const UnregisterCallback& callback);
+
+  // Disconnects the manager.
+  virtual void Disconnect();
+
   DeviceCloudPolicyStoreChromeOS* device_store() {
     return device_store_.get();
   }
@@ -98,6 +110,7 @@ class DeviceCloudPolicyManagerChromeOS : public CloudPolicyManager {
   void InitializeRequisition();
 
   void NotifyConnected();
+  void NotifyDisconnected();
 
   // Points to the same object as the base CloudPolicyManager::store(), but with
   // actual device policy specific type.