Add ScopedStubEnterpriseInstallAttributes for tests to set test install attributes.

chrome/browser/chromeos/policy/browser_policy_connector_chromeos.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_CHROMEOS_POLICY_BROWSER_POLICY_CONNECTOR_CHROMEOS_H_
 #define CHROME_BROWSER_CHROMEOS_POLICY_BROWSER_POLICY_CONNECTOR_CHROMEOS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
@@ skipping 74 matching lines @@
   // previously set delegate is removed. Passing NULL removes the current
   // delegate, if there is one.
   void SetUserPolicyDelegate(ConfigurationPolicyProvider* user_policy_provider);
 
   // Returns the device management service for consumer management.
   DeviceManagementService* consumer_device_management_service() const {
     return consumer_device_management_service_.get();
   }
 
   // Sets the install attributes for testing. Must be called before the browser
-  // is created. Takes ownership of |attributes|.
+  // is created. RemoveInstallAttributesForTesting must be called after the test
+  // to free the attributes.
   static void SetInstallAttributesForTesting(
       EnterpriseInstallAttributes* attributes);
+  static void RemoveInstallAttributesForTesting();
 
   // Registers device refresh rate pref.
   static void RegisterPrefs(PrefRegistrySimple* registry);
 
  private:
   // Set the timezone as soon as the policies are available.
   void SetTimezoneIfPolicyAvailable();
 
   // Components of the device cloud policy implementation.
   scoped_ptr<EnterpriseInstallAttributes> install_attributes_;
@@ skipping 15 matching lines @@
   scoped_ptr<DeviceManagementService> consumer_device_management_service_;
 
   base::WeakPtrFactory<BrowserPolicyConnectorChromeOS> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPolicyConnectorChromeOS);
 };
 
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_CHROMEOS_POLICY_BROWSER_POLICY_CONNECTOR_CHROMEOS_H_