Update Linux to use scoped_refptr<T>::get() rather than implicit "operator T*"

chrome/browser/extensions/api/storage/settings_apitest.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 "base/bind.h"
 #include "base/json/json_writer.h"
 #include "base/memory/ref_counted.h"
 #include "base/run_loop.h"
 #include "chrome/browser/extensions/api/storage/settings_frontend.h"
 #include "chrome/browser/extensions/api/storage/settings_namespace.h"
@@ skipping 436 matching lines @@
     extension_system->ready().Post(FROM_HERE, run_loop.QuitClosure());
     run_loop.Run();
     ASSERT_TRUE(extension_system->ready().is_signaled());
   }
 
   policy::ProfilePolicyConnector* connector =
       policy::ProfilePolicyConnectorFactory::GetForProfile(profile);
   policy::PolicyService* service = connector->policy_service();
   scoped_refptr<const policy::PolicyDomainDescriptor> descriptor =
       service->GetPolicyDomainDescriptor(policy::POLICY_DOMAIN_EXTENSIONS);
-  EXPECT_TRUE(descriptor);
+  EXPECT_TRUE(descriptor.get());
 }
 
 IN_PROC_BROWSER_TEST_F(ExtensionSettingsApiTest, ManagedStorage) {
   // Set policies for the test extension.
   scoped_ptr<base::DictionaryValue> policy = extensions::DictionaryBuilder()
       .Set("string-policy", "value")
       .Set("int-policy", -123)
       .Set("double-policy", 456e7)
       .SetBoolean("boolean-policy", true)
       .Set("list-policy", extensions::ListBuilder()
@@ skipping 79 matching lines @@
   SettingsFrontend* frontend =
       browser()->profile()->GetExtensionService()->settings_frontend();
   frontend->DisableStorageForTesting(MANAGED);
   EXPECT_FALSE(frontend->IsStorageEnabled(MANAGED));
   // Now run the extension.
   ASSERT_TRUE(RunExtensionTest("settings/managed_storage_disabled"))
       << message_;
 }
 
 }  // namespace extensions