chrome/browser/sync/glue/chrome_report_unrecoverable_error.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/sync/glue/chrome_report_unrecoverable_error.h"
   6
   7 #include "base/debug/dump_without_crashing.h"
   8 #include "base/rand_util.h"
   9 #include "chrome/common/chrome_constants.h"
  10 #include "chrome/common/chrome_version_info.h"
  11
  12 namespace browser_sync {
  13
  14 void ChromeReportUnrecoverableError() {
  15   // Only upload on canary/dev builds to avoid overwhelming crash server.
  16   chrome::VersionInfo::Channel channel = chrome::VersionInfo::GetChannel();
  17   if (channel != chrome::VersionInfo::CHANNEL_CANARY &&
  18       channel != chrome::VersionInfo::CHANNEL_DEV) {
  19     return;
  20   }
  21
  22   // We only want to upload |kErrorUploadRatio| ratio of errors.
  23   const double kErrorUploadRatio = 0.15;
  24   if (kErrorUploadRatio <= 0.0)
  25     return; // We are not allowed to upload errors.
  26   double random_number = base::RandDouble();
  27   if (random_number > kErrorUploadRatio)
  28     return;
  29
  30   base::debug::DumpWithoutCrashing();
  31 }
  32
  33 }  // namespace browser_sync