Default Provider style fixes.

components/content_settings/core/browser/content_settings_utils.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 COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_UTILS_H_
 #define COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_UTILS_H_
 
 #include <string>
 #include <utility>
 
 #include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
 #include "components/content_settings/core/common/content_settings.h"
 #include "components/content_settings/core/common/content_settings_pattern.h"
 #include "components/content_settings/core/common/content_settings_types.h"
 
 namespace base {
 class Value;
 }
 
 class GURL;
 class HostContentSettingsMap;
@@ skipping 30 matching lines @@
     const ContentSettingsPattern& top_level_frame_pattern);
 
 // Caller takes the ownership of the returned |base::Value*|.
 base::Value* GetContentSettingValueAndPatterns(
     RuleIterator* rule_iterator,
     const GURL& primary_url,
     const GURL& secondary_url,
     ContentSettingsPattern* primary_pattern,
     ContentSettingsPattern* secondary_pattern);
 
+// Returns a |base::Value*| representation of |setting| if |setting| is
+// a valid content setting. Otherwise, returns a nullptr.
+scoped_ptr<base::Value> ContentSettingToValue(ContentSetting setting);
+
 base::Value* GetContentSettingValueAndPatterns(
     const ProviderInterface* provider,
     const GURL& primary_url,
     const GURL& secondary_url,
     ContentSettingsType content_type,
     const std::string& resource_identifier,
     bool include_incognito,
     ContentSettingsPattern* primary_pattern,
     ContentSettingsPattern* secondary_pattern);
 
 // Populates |rules| with content setting rules for content types that are
 // handled by the renderer.
 void GetRendererContentSettingRules(const HostContentSettingsMap* map,
                                     RendererContentSettingRules* rules);
 
 }  // namespace content_settings
 
 #endif  // COMPONENTS_CONTENT_SETTINGS_CORE_BROWSER_CONTENT_SETTINGS_UTILS_H_