Prepare ExternalPolicyDataUpdater and ResourceCache for blocking pool

chrome/browser/policy/cloud/component_cloud_policy_store_unittest.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 "chrome/browser/policy/cloud/component_cloud_policy_store.h"
 
 #include <map>
 #include <set>
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/callback.h"
 #include "base/files/scoped_temp_dir.h"
-#include "base/memory/scoped_ptr.h"
+#include "base/memory/ref_counted.h"
 #include "base/sha1.h"
+#include "base/test/test_simple_task_runner.h"
 #include "chrome/browser/policy/cloud/cloud_policy_constants.h"
 #include "chrome/browser/policy/cloud/policy_builder.h"
 #include "chrome/browser/policy/cloud/resource_cache.h"
 #include "chrome/browser/policy/external_data_fetcher.h"
 #include "chrome/browser/policy/proto/cloud/chrome_extension_policy.pb.h"
 #include "chrome/browser/policy/proto/cloud/device_management_backend.pb.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace em = enterprise_management;
@@ skipping 28 matching lines @@
 
   MOCK_METHOD0(OnComponentCloudPolicyStoreUpdated, void());
 };
 
 }  // namespace
 
 class ComponentCloudPolicyStoreTest : public testing::Test {
  protected:
   virtual void SetUp() OVERRIDE {
     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
-    cache_.reset(new ResourceCache(temp_dir_.path()));
+    cache_.reset(new ResourceCache(
+        temp_dir_.path(),
+        make_scoped_refptr(new base::TestSimpleTaskRunner)));
     store_.reset(new ComponentCloudPolicyStore(&store_delegate_, cache_.get()));
     store_->SetCredentials(ComponentPolicyBuilder::kFakeUsername,
                            ComponentPolicyBuilder::kFakeToken);
 
     builder_.policy_data().set_policy_type(
         dm_protocol::kChromeExtensionPolicyType);
     builder_.policy_data().set_settings_entity_id(kTestExtension);
     builder_.payload().set_download_url(kTestDownload);
     builder_.payload().set_secure_hash(TestPolicyHash());
 
@@ skipping 232 matching lines @@
 
   // And they aren't loaded anymore either.
   ComponentCloudPolicyStore yet_another_store(&store_delegate_, cache_.get());
   yet_another_store.SetCredentials(ComponentPolicyBuilder::kFakeUsername,
                                    ComponentPolicyBuilder::kFakeToken);
   yet_another_store.Load();
   EXPECT_TRUE(yet_another_store.policy().Equals(empty_bundle));
 }
 
 }  // namespace policy