Resetting metrics ids on clump detection.

chrome/common/pref_names.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/common/pref_names.h"
 
 #include "base/basictypes.h"
 #include "chrome/common/pref_font_webkit_names.h"
 
 namespace prefs {
@@ skipping 1365 matching lines @@
 
 // Boolean that specifies whether or not crash reporting and metrics reporting
 // are sent over the network for analysis.
 const char kMetricsReportingEnabled[] =
     "user_experience_metrics.reporting_enabled";
 
 // A machine ID used to detect when underlying hardware changes. It is only
 // stored locally and never transmitted in metrics reports.
 const char kMetricsMachineId[] = "user_experience_metrics.machine_id";
 
+// Boolean that indicates a cloned install has been detected and the metrics
+// client id and low entropy source should be reset.
+const char kMetricsCloneDetected[] = "user_experience_metrics.clone_detected";

[Alexei Svitkine (slow), 2014/03/26 21:34:50]

Hmm, I think it would be better to use a name to describe its function, rather
than the cause.

e.g. kMetricsResetIds.

[jwd, 2014/03/28 16:23:49]

Done.

+
 // Boolean that specifies whether or not crash reports are sent
 // over the network for analysis.
 #if defined(OS_ANDROID)
 const char kCrashReportingEnabled[] =
     "user_experience_metrics_crash.reporting_enabled";
 #endif
 
 // Array of strings that are each UMA logs that were supposed to be sent in the
 // first minute of a browser session. These logs include things like crash count
 // info, etc.
@@ skipping 1198 matching lines @@
 // "mapped_title" entries, detailing the bookmark target URL (if any), the title
 // given by the PartnerBookmarksProvider and either the user-visible renamed
 // title or an empty string if the bookmark node was removed.
 const char kPartnerBookmarkMappings[] = "partnerbookmarks.mappings";
 #endif
 
 // Whether DNS Quick Check is disabled in proxy resolution.
 const char kQuickCheckEnabled[] = "proxy.quick_check_enabled";
 
 }  // namespace prefs