Histogram versions and extended error codes for SQLite databases.

webkit/appcache/appcache_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 "webkit/appcache/appcache_database.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
@@ skipping 983 matching lines @@
   // Avoid creating a database at all if we can.
   bool use_in_memory_db = db_file_path_.empty();
   if (!create_if_needed &&
       (use_in_memory_db || !file_util::PathExists(db_file_path_))) {
     return false;
   }
 
   db_.reset(new sql::Connection);
   meta_table_.reset(new sql::MetaTable);
 
-  db_->set_error_histogram_name("Sqlite.AppCache.Error");
+  db_->set_histogram_tag("AppCache");
 
   bool opened = false;
   if (use_in_memory_db) {
     opened = db_->OpenInMemory();
   } else if (!file_util::CreateDirectory(db_file_path_.DirName())) {
     LOG(ERROR) << "Failed to create appcache directory.";
   } else {
     opened = db_->Open(db_file_path_);
     if (opened)
       db_->Preload();
@@ skipping 182 matching lines @@
 
   // So we can't go recursive.
   if (is_recreating_)
     return false;
 
   base::AutoReset<bool> auto_reset(&is_recreating_, true);
   return LazyOpen(true);
 }
 
 }  // namespace appcache