Add delayed retry to DeviceManagementService requests.

chrome/browser/policy/cloud/cloud_policy_manager_browsertest.cc

 // Copyright (c) 2013 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 <memory>
 
 #include "base/command_line.h"
 #include "base/run_loop.h"
 #include "build/build_config.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/policy/cloud/test_request_interceptor.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "components/policy/core/browser/browser_policy_connector.h"
 #include "components/policy/core/common/cloud/cloud_policy_client.h"
+#include "components/policy/core/common/cloud/device_management_service.h"
 #include "components/policy/core/common/cloud/mock_cloud_policy_client.h"
 #include "components/policy/core/common/policy_switches.h"
 #include "components/policy/core/common/policy_test_utils.h"
 #include "content/public/browser/browser_thread.h"
 #include "net/base/net_errors.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "policy/proto/device_management_backend.pb.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 21 matching lines @@
 // to intercept requests and produce canned responses.
 class CloudPolicyManagerTest : public InProcessBrowserTest {
  protected:
   CloudPolicyManagerTest() {}
   ~CloudPolicyManagerTest() override {}
 
   void SetUpInProcessBrowserTestFixture() override {
     base::CommandLine* command_line = base::CommandLine::ForCurrentProcess();
     command_line->AppendSwitchASCII(switches::kDeviceManagementUrl,
                                     "http://localhost");
+
+    // Set retry delay to prevent timeouts.
+    policy::DeviceManagementService::SetRetryDelayForTesting(0);
   }
 
   void SetUpOnMainThread() override {
     ASSERT_TRUE(PolicyServiceIsEmpty(g_browser_process->policy_service()))
         << "Pre-existing policies in this machine will make this test fail.";
 
     interceptor_.reset(new TestRequestInterceptor(
         "localhost",
         BrowserThread::GetMessageLoopProxyForThread(BrowserThread::IO)));
 
@@ skipping 126 matching lines @@
   const bool expect_reregister = true;
   interceptor_->PushJobCallback(
       TestRequestInterceptor::RegisterJob(expected_type, expect_reregister));
 
   EXPECT_FALSE(policy_manager()->core()->client()->is_registered());
   ASSERT_NO_FATAL_FAILURE(Register());
   EXPECT_TRUE(policy_manager()->core()->client()->is_registered());
 }
 
 }  // namespace policy