Cleanup content settings code

chrome/browser/content_settings/content_settings_utils.h

 // Copyright (c) 2011 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_CONTENT_SETTINGS_CONTENT_SETTINGS_UTILS_H_
 #define CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_UTILS_H_
 
 #include <string>
 #include <utility>
 
@@ skipping 10 matching lines @@
 
 namespace content_settings {
 
 class ProviderInterface;
 class RuleIterator;
 
 typedef std::pair<ContentSettingsPattern, ContentSettingsPattern> PatternPair;
 
 std::string GetTypeName(ContentSettingsType type);
 
-// Returns true if the |content_type| supports a resource identifier.
-// Resource identifiers are supported (but not required) for plug-ins.
-bool SupportsResourceIdentifier(ContentSettingsType content_type);
-
 // Maps CONTENT_SETTING_ASK for the CONTENT_SETTINGS_TYPE_PLUGINS to
 // CONTENT_SETTING_BLOCK if click-to-play is not enabled.
 ContentSetting ClickToPlayFixup(ContentSettingsType content_type,
                                 ContentSetting setting);
 
 // Converts |Value| to |ContentSetting|.
 ContentSetting ValueToContentSetting(const base::Value* value);
 
 // Converts a |Value| to a |ContentSetting|. Returns true if |value| encodes
 // a valid content setting, false otherwise. Note that |CONTENT_SETTING_DEFAULT|
@@ skipping 42 matching lines @@
     bool include_incognito);
 
 // 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  // CHROME_BROWSER_CONTENT_SETTINGS_CONTENT_SETTINGS_UTILS_H_