Use a schema to decode 3rd party policy on windows, when present.

chrome/browser/policy/configuration_policy_provider_test.h

 // 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.
 
 #ifndef CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_TEST_H_
 #define CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_TEST_H_
 #pragma once
 
 #include <string>
 
@@ skipping 79 matching lines @@
   virtual void InstallIntegerPolicy(const std::string& policy_name,
                                     int policy_value) = 0;
   virtual void InstallBooleanPolicy(const std::string& policy_name,
                                     bool policy_value) = 0;
   virtual void InstallStringListPolicy(const std::string& policy_name,
                                        const base::ListValue* policy_value) = 0;
   virtual void InstallDictionaryPolicy(
       const std::string& policy_name,
       const base::DictionaryValue* policy_value) = 0;
 
+  // Not every provider supports installing 3rd party policy. Those who do
+  // should override this method; the default just makes the test fail.
+  virtual void Install3rdPartyPolicy(const base::DictionaryValue* policies);
+
  private:
   PolicyLevel level_;
   PolicyScope scope_;
 
   DISALLOW_COPY_AND_ASSIGN(PolicyProviderTestHarness);
 };
 
 // A factory method for creating a test harness.
 typedef PolicyProviderTestHarness* (*CreatePolicyProviderTestHarness)();
 
@@ skipping 16 matching lines @@
                   const base::Value& expected_value,
                   base::Closure install_value);
 
   scoped_ptr<PolicyProviderTestHarness> test_harness_;
   scoped_ptr<ConfigurationPolicyProvider> provider_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ConfigurationPolicyProviderTest);
 };
 
+// An extension of ConfigurationPolicyProviderTest that also tests loading of
+// 3rd party policy. Policy provider implementations that support loading of
+// 3rd party policy should also instantiate these tests.
+class Configuration3rdPartyPolicyProviderTest
+    : public ConfigurationPolicyProviderTest {
+ protected:
+  Configuration3rdPartyPolicyProviderTest();
+  virtual ~Configuration3rdPartyPolicyProviderTest();
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(Configuration3rdPartyPolicyProviderTest);
+};
+
 }  // namespace policy
 
 #endif  // CHROME_BROWSER_POLICY_CONFIGURATION_POLICY_PROVIDER_TEST_H_