Cleanup FaviconSQLHandler::Update

chrome/browser/history/thumbnail_database.cc

 // 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.
 
 #include "chrome/browser/history/thumbnail_database.h"
 
 #include <algorithm>
 #include <string>
 
 #include "base/command_line.h"
@@ skipping 676 matching lines @@
 }
 
 bool ThumbnailDatabase::DeleteIconMappings(const GURL& page_url) {
   sql::Statement statement(db_.GetCachedStatement(SQL_FROM_HERE,
       "DELETE FROM icon_mapping WHERE page_url = ?"));
   statement.BindString(0, URLDatabase::GURLToDatabaseURL(page_url));
 
   return statement.Run();
 }
 
+bool ThumbnailDatabase::DeleteIconMapping(IconMappingID mapping_id) {
+  sql::Statement statement(db_.GetCachedStatement(SQL_FROM_HERE,
+      "DELETE FROM icon_mapping WHERE id=?"));
+  statement.BindInt64(0, mapping_id);
+
+  return statement.Run();
+}
+
 bool ThumbnailDatabase::HasMappingFor(FaviconID id) {
   sql::Statement statement(db_.GetCachedStatement(SQL_FROM_HERE,
       "SELECT id FROM icon_mapping "
       "WHERE icon_id=?"));
   statement.BindInt64(0, id);
 
   return statement.Step();
 }
 
 bool ThumbnailDatabase::CloneIconMappings(const GURL& old_page_url,
@@ skipping 329 matching lines @@
     }
     parsing_errors |= !base::StringToInt(t.token(), &height);
     favicon_sizes->push_back(gfx::Size(width, height));
   }
 
   if (parsing_errors)
     favicon_sizes->clear();
 }
 
 }  // namespace history