Add severity info to drive::EventLogger.

chrome/browser/drive/event_logger.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/drive/event_logger.h"
 
 #include "base/logging.h"
 #include "base/strings/stringprintf.h"
 
 namespace drive {
 
-EventLogger::Event::Event(int id, const std::string& what)
+EventLogger::Event::Event(
+    int id, logging::LogSeverity severity, const std::string& what)
     : id(id),
+      severity(severity),
       when(base::Time::Now()),
       what(what) {
 }
 
 EventLogger::EventLogger()
     : history_size_(kDefaultHistorySize),
       next_event_id_(0) {
 }
 
 EventLogger::~EventLogger() {
 }
 
-void EventLogger::Log(const char* format, ...) {
-  std::string what;
-
-  va_list args;
-  va_start(args, format);
-  base::StringAppendV(&what, format, args);
-  va_end(args);
-
-  DVLOG(1) << what;
-
+void EventLogger::Log(logging::LogSeverity severity, const std::string& what) {
   base::AutoLock auto_lock(lock_);
-  history_.push_back(Event(next_event_id_, what));
+  history_.push_back(Event(next_event_id_, severity, what));
   ++next_event_id_;
   if (history_.size() > history_size_)
     history_.pop_front();
 }
 
 void EventLogger::SetHistorySize(size_t history_size) {
   base::AutoLock auto_lock(lock_);
   history_.clear();
   history_size_ = history_size;
 }
 
 std::vector<EventLogger::Event> EventLogger::GetHistory() {
   base::AutoLock auto_lock(lock_);
   std::vector<Event> output;
   output.assign(history_.begin(), history_.end());
   return output;
 }
 
 
 }  // namespace drive