Histogram versions and extended error codes for SQLite databases.

webkit/database/database_tracker.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/database/database_tracker.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 464 matching lines @@
         db_dir_.Append(base::FilePath(kTrackerDatabaseFileName));
     if (file_util::DirectoryExists(db_dir_) &&
         file_util::PathExists(kTrackerDatabaseFullPath) &&
         (!db_->Open(kTrackerDatabaseFullPath) ||
          !sql::MetaTable::DoesTableExist(db_.get()))) {
       db_->Close();
       if (!file_util::Delete(db_dir_, true))
         return false;
     }
 
-    db_->set_error_histogram_name("Sqlite.DatabaseTracker.Error");
+    db_->set_histogram_tag("DatabaseTracker");
 
     databases_table_.reset(new DatabasesTable(db_.get()));
     meta_table_.reset(new sql::MetaTable());
 
     is_initialized_ =
         file_util::CreateDirectory(db_dir_) &&
         (db_->is_open() ||
          (is_incognito_ ? db_->OpenInMemory() :
           db_->Open(kTrackerDatabaseFullPath))) &&
         UpgradeToCurrentVersion();
@@ skipping 373 matching lines @@
   if (!db_tracker_thread_->BelongsToCurrentThread()) {
     db_tracker_thread_->PostTask(
         FROM_HERE,
         base::Bind(&DatabaseTracker::SetForceKeepSessionState, this));
     return;
   }
   force_keep_session_state_ = true;
 }
 
 }  // namespace webkit_database