Fix cloud policy duplicate registrations issue.

chrome/browser/policy/mock_device_management_service.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/policy/mock_device_management_service.h"
 
 #include "base/string_util.h"
 
 using testing::Action;
 
@@ skipping 67 matching lines @@
 
 // Asynchronous job that allows the test to delay job completion.
 class AsyncRequestJob : public MockRequestJobBase,
                         public MockDeviceManagementJob {
  public:
   AsyncRequestJob(JobType type, MockDeviceManagementService* service)
       : MockRequestJobBase(type, service) {}
   virtual ~AsyncRequestJob() {}
 
  protected:
+  virtual void RetryJob() OVERRIDE {
+    if (!retry_callback_.is_null())
+      retry_callback_.Run(this);
+    Run();
+  }
+
   virtual void SendResponse(
       DeviceManagementStatus status,
       const em::DeviceManagementResponse& response) OVERRIDE {
     callback_.Run(status, response);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(AsyncRequestJob);
 };
 
@@ skipping 27 matching lines @@
   const em::DeviceManagementResponse dummy_response;
   return CreateSyncMockDeviceManagementJob(this, status, dummy_response);
 }
 
 Action<MockDeviceManagementService::CreateJobFunction>
     MockDeviceManagementService::CreateAsyncJob(MockDeviceManagementJob** job) {
   return CreateAsyncMockDeviceManagementJob(this, job);
 }
 
 }  // namespace policy