Make the internal storage of policy::Schemas ref counted.

chrome/browser/policy/generate_policy_source_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 <string>
 
 #include "base/memory/scoped_ptr.h"
 #include "base/values.h"
 #include "components/policy/core/common/schema.h"
 #include "policy/policy_constants.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 // This unittest tests the code generated by
 // chrome/tools/build/generate_policy_source.py.
 
 namespace policy {
 
 TEST(GeneratePolicySource, ChromeSchemaData) {
-  scoped_ptr<SchemaOwner> schema_owner =
-      SchemaOwner::Wrap(GetChromeSchemaData());
-  ASSERT_TRUE(schema_owner);
-
-  Schema schema = schema_owner->schema();
+  Schema schema = Schema::Wrap(GetChromeSchemaData());
+  ASSERT_TRUE(schema.valid());
   EXPECT_EQ(base::Value::TYPE_DICTIONARY, schema.type());
 
   Schema subschema = schema.GetAdditionalProperties();
   EXPECT_FALSE(subschema.valid());
 
   subschema = schema.GetProperty("no such policy exists");
   EXPECT_FALSE(subschema.valid());
 
   subschema = schema.GetProperty(key::kAlternateErrorPagesEnabled);
   ASSERT_TRUE(subschema.valid());
@@ skipping 38 matching lines @@
        !it.IsAtEnd(); it.Advance(), ++next) {
     ASSERT_TRUE(*next != NULL);
     EXPECT_STREQ(*next, it.key());
     ASSERT_TRUE(it.schema().valid());
     EXPECT_EQ(base::Value::TYPE_STRING, it.schema().type());
   }
   EXPECT_TRUE(*next == NULL);
 }
 
 }  // namespace policy