Replace raw ptr from ContentSettingsPattern Builder with unique_ptr

components/content_settings/core/common/content_settings_pattern.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.
 
 // Patterns used in content setting rules.
 
 #ifndef COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_PATTERN_H_
 #define COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_PATTERN_H_
 
+#include <memory>
 #include <string>
 
 #include "base/gtest_prod_util.h"
 #include "mojo/public/cpp/bindings/struct_traits.h"
 
 class GURL;
 
 namespace content_settings {
 class PatternParser;
 
@@ skipping 109 matching lines @@
 
     virtual BuilderInterface* WithPathWildcard() = 0;
 
     virtual BuilderInterface* Invalid() = 0;
 
     // Returns a content settings pattern according to the current configuration
     // of the builder.
     virtual ContentSettingsPattern Build() = 0;
   };
 
-  static BuilderInterface* CreateBuilder(bool use_legacy_validate);
+  static std::unique_ptr<BuilderInterface> CreateBuilder();
 
   // The version of the pattern format implemented.
   static const int kContentSettingsPatternVersion;
 
   // Returns a wildcard content settings pattern that matches all possible valid
   // origins.
   static ContentSettingsPattern Wildcard();
 
   // Returns a pattern that matches the scheme and host of this URL, as well as
   // all subdomains and ports.
@@ skipping 95 matching lines @@
       const ContentSettingsPattern::PatternParts& other_parts);
 
   ContentSettingsPattern(const PatternParts& parts, bool valid);
 
   PatternParts parts_;
 
   bool is_valid_;
 };
 
 #endif  // COMPONENTS_CONTENT_SETTINGS_CORE_COMMON_CONTENT_SETTINGS_PATTERN_H_