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      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
     34