Precache policy-for-extensions for device-local accounts.

chrome/browser/policy/cloud/component_cloud_policy_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 <string>
 
 #include "base/base64.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/files/file_path.h"
@@ skipping 251 matching lines @@
   EXPECT_TRUE(policy_listener1.WaitUntilSatisfied());
 
   ExtensionTestMessageListener policy_listener2(kTestPolicy2JSON, true);
   policy_listener1.Reply("get-policy-Another");
   EXPECT_TRUE(policy_listener2.WaitUntilSatisfied());
 }
 
 IN_PROC_BROWSER_TEST_F(ComponentCloudPolicyTest, InstallNewExtension) {
   EXPECT_TRUE(test_server_.UpdatePolicyData(
       dm_protocol::kChromeExtensionPolicyType, kTestExtension2, kTestPolicy2));
+  // Installing a new extension doesn't trigger another policy fetch because
+  // the server always sends down the list of all extensions that have policy.
+  // Fetch now that the configuration has been updated and before installing
+  // the extension.
+  RefreshPolicies();
 
   ExtensionTestMessageListener result_listener("ok", true);
   result_listener.set_failure_message("fail");
   scoped_refptr<const extensions::Extension> extension2 =
       LoadExtension(kTestExtension2Path);
   ASSERT_TRUE(extension2.get());
   ASSERT_EQ(kTestExtension2, extension2->id());
 
   // This extension only sends the 'policy' signal once it receives the policy,
   // and after verifying it has the expected value. Otherwise it sends 'fail'.
@@ skipping 51 matching lines @@
   ExtensionTestMessageListener signin_policy_listener(kTestPolicyJSON, true);
   event_listener2.Reply("get-policy-Name");
   EXPECT_TRUE(signin_policy_listener.WaitUntilSatisfied());
 
   // And the cache is back.
   EXPECT_TRUE(base::PathExists(cache_path));
 }
 #endif
 
 }  // namespace policy