Cleanup and style guideline conformance for policy implementation

chrome/browser/policy/file_based_policy_provider_unittest.cc

 // Copyright (c) 2010 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/configuration_policy_pref_store.h"
 #include "chrome/browser/policy/file_based_policy_provider.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 using testing::Mock;
@@ skipping 32 matching lines @@
 
 // A mock provider that allows us to capture reload notifications.
 class MockPolicyProvider : public ConfigurationPolicyProvider,
                            public base::SupportsWeakPtr<MockPolicyProvider> {
  public:
   explicit MockPolicyProvider()
       : ConfigurationPolicyProvider(
           ConfigurationPolicyPrefStore::GetChromePolicyDefinitionList()) {
   }
 
-  virtual bool Provide(ConfigurationPolicyStore* store) {
+  virtual bool Provide(ConfigurationPolicyStoreInterface* store) {
     return true;
   }
 
   MOCK_METHOD0(NotifyStoreOfPolicyChange, void());
 };
 
 class FileBasedPolicyLoaderTest : public testing::Test {
  protected:
   FileBasedPolicyLoaderTest()
       : ui_thread_(BrowserThread::UI, &loop_),
@@ skipping 58 matching lines @@
   EXPECT_EQ(1U, policy->size());
 
   std::string str_value;
   EXPECT_TRUE(policy->GetString("HomepageLocation", &str_value));
   EXPECT_EQ("http://www.google.com", str_value);
 
   loader->Stop();
 }
 
 }  // namespace policy