Implement origin-based deletion of plugin data

chrome/browser/browsing_data/origin_filter_builder.h

 // Copyright 2016 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_BROWSING_DATA_ORIGIN_FILTER_BUILDER_H_
 #define CHROME_BROWSER_BROWSING_DATA_ORIGIN_FILTER_BUILDER_H_
 
 #include <ostream>
 #include <set>
 #include <string>
 #include <vector>
 
 #include "base/callback.h"
 #include "chrome/browser/browsing_data/browsing_data_filter_builder.h"
 #include "url/gurl.h"
 #include "url/origin.h"
 
 // A class that constructs URL deletion filters (represented as GURL->bool
 // predicates) that match certain origins.
 //
-// IMPORTANT NOTE: While this class does define cookie and channel IDs filtering
-// methods, as required by the BrowsingDataFilterBuilder interface, it is not
-// suitable for deletion of those data types, as they are scoped to eTLD+1.
-// Instead, use RegistrableDomainFilterBuilder and see its documenation for
-// more details.
+// IMPORTANT NOTE: While this class does define cookie, channel ID, and plugin
+// filtering methods, as required by the BrowsingDataFilterBuilder interface,
+// it is not suitable for deletion of those data types, as they are scoped
+// to eTLD+1. Instead, use RegistrableDomainFilterBuilder and see its
+// documenation for more details.
 class OriginFilterBuilder : public BrowsingDataFilterBuilder {
  public:
   // Constructs a filter with the given |mode| - whitelist or blacklist.
   explicit OriginFilterBuilder(Mode mode);
 
   ~OriginFilterBuilder() override;
 
   // Adds the |origin| to the (white- or black-) list.
   void AddOrigin(const url::Origin& origin);
 
@@ skipping 16 matching lines @@
   // such as RegistrableDomainFilterBuilder.
   base::Callback<bool(const net::CanonicalCookie& cookie)>
       BuildCookieFilter() const override;
 
   // Channel ID filter is not implemented in this subclasss. Please use
   // a BrowsingDataFilterBuilder with different scoping,
   // such as RegistrableDomainFilterBuilder.
   base::Callback<bool(const std::string& channel_id_server_id)>
       BuildChannelIDFilter() const override;
 
+  // Plugin site filter is not implemented in this subclass. Please use
+  // a BrowsingDataFilterBuilder with different scoping,
+  // such as RegistrableDomainFilterBuilder.
+  base::Callback<bool(const std::string& site)>
+      BuildPluginFilter() const override;
+
   bool operator==(const OriginFilterBuilder& other) const;
 
  protected:
   bool IsEmpty() const override;
 
  private:
   // True if the origin of |url| is in the whitelist, or isn't in the blacklist.
   // The whitelist or blacklist is represented as |origins| and |mode|.
   static bool MatchesURL(
       std::set<url::Origin>* origins, Mode mode, const GURL& url);
 
   // True if the |pattern| is identical to one of the |origin_patterns|.
   static bool MatchesWebsiteSettingsPattern(
       std::vector<ContentSettingsPattern>* origin_patterns,
       Mode mode,
       const ContentSettingsPattern& pattern);
 
   // The list of origins and whether they should be interpreted as a whitelist
   // or blacklist.
   std::set<url::Origin> origin_list_;
 
   DISALLOW_COPY_AND_ASSIGN(OriginFilterBuilder);
 };
 
 #endif  // CHROME_BROWSER_BROWSING_DATA_ORIGIN_FILTER_BUILDER_H_