Mirror syncfs log to console and WebUI, with LogSeverity support.

chrome/browser/sync_file_system/drive_file_sync_util.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/sync_file_system/drive_file_sync_util.h"
 
 #include "base/command_line.h"
 #include "base/logging.h"
+#include "chrome/browser/sync_file_system/logger.h"
 
 namespace sync_file_system {
 
 namespace {
 
 // A command switch to enable Drive API instead of WAPI in Sync FileSystem API.
 // (http://crbug.com/234557)
 // TODO(nhiroki): this command-line switch should be temporary.
 const char kEnableDriveAPI[] = "enable-drive-api-for-syncfs";
 
@@ skipping 51 matching lines @@
       return SYNC_FILE_ERROR_NO_SPACE;
   }
 
   // There's a case where DriveService layer returns GDataErrorCode==-1
   // when network is unavailable. (http://crbug.com/223042)
   // TODO(kinuko,nhiroki): We should identify from where this undefined error
   // code is coming.
   if (error == -1)
     return SYNC_STATUS_NETWORK_ERROR;
 
-  LOG(WARNING) << "Got unexpected error: " << error;
+  util::Log(logging::LOG_WARNING,
+            FROM_HERE,
+            "Got unexpected error: %d",
+            static_cast<int>(error));
   return SYNC_STATUS_FAILED;
 }
 
 void SetEnableDriveAPI(bool flag) {
   is_drive_api_enabled = flag;
 }
 
 bool IsDriveAPIEnabled() {
   return is_drive_api_enabled ||
       CommandLine::ForCurrentProcess()->HasSwitch(kEnableDriveAPI);
 }
 
 }  // namespace sync_file_system