base/ header cleanup. Forward declaration instead of including.

chrome/browser/configuration_policy_pref_store_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 <gtest/gtest.h>
 
 #include "base/command_line.h"
+#include "base/file_path.h"
 #include "chrome/browser/configuration_policy_pref_store.h"
 #include "chrome/browser/mock_configuration_policy_provider.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/chrome_switches.h"
 
 class ConfigurationPolicyPrefStoreTest : public testing::Test {
  public:
   // Applies a policy that has a string value.
   void ApplyStringPolicyValue(
       ConfigurationPolicyPrefStore* store,
@@ skipping 442 matching lines @@
   (*current)->GetAsString(&plugin_name);
   EXPECT_EQ("plugin1", plugin_name);
   ++current;
   ASSERT_TRUE(current != end);
   (*current)->GetAsString(&plugin_name);
   EXPECT_EQ("plugin2,", plugin_name);
   ++current;
   EXPECT_TRUE(current == end);
 }