Gather stability prefs into managing objects.

components/metrics/metrics_pref_names.h

 // Copyright 2014 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.
 
 #ifndef COMPONENTS_METRICS_METRICS_PREF_NAMES_H_
 #define COMPONENTS_METRICS_METRICS_PREF_NAMES_H_
 
 namespace metrics {
 namespace prefs {
 
@@ skipping 12 matching lines @@
 
 // For finding out whether metrics and crash reporting is enabled use the
 // relevant embedder-specific subclass of MetricsServiceAccessor instead of
 // reading this pref directly; see the comments on metrics_service_accessor.h.
 // (NOTE: If within //chrome, use
 // ChromeMetricsServiceAccessor::IsMetricsAndCrashReportingEnabled()).
 extern const char kMetricsReportingEnabled[];
 extern const char kMetricsReportingEnabledTimestamp[];
 extern const char kMetricsSessionID[];
 extern const char kMetricsLastSeenPrefix[];
+
+// Preferences for recording stability logs.
 extern const char kStabilityBreakpadRegistrationSuccess[];
 extern const char kStabilityBreakpadRegistrationFail[];
 extern const char kStabilityChildProcessCrashCount[];
 extern const char kStabilityCrashCount[];
 extern const char kStabilityDebuggerPresent[];
 extern const char kStabilityDebuggerNotPresent[];
 extern const char kStabilityDeferredCount[];
 extern const char kStabilityDiscardCount[];
 extern const char kStabilityExecutionPhase[];
 extern const char kStabilityExtensionRendererCrashCount[];
 extern const char kStabilityExtensionRendererFailedLaunchCount[];
 extern const char kStabilityExtensionRendererLaunchCount[];
 extern const char kStabilityExitedCleanly[];
 extern const char kStabilityIncompleteSessionEndCount[];
-extern const char kStabilityLastTimestampSec[];
 extern const char kStabilityLaunchCount[];
-extern const char kStabilityLaunchTimeSec[];
 extern const char kStabilityPageLoadCount[];
 extern const char kStabilityRendererCrashCount[];
 extern const char kStabilityRendererFailedLaunchCount[];
 extern const char kStabilityRendererHangCount[];
 extern const char kStabilityRendererLaunchCount[];
 extern const char kStabilitySavedSystemProfile[];
 extern const char kStabilitySavedSystemProfileHash[];
 extern const char kStabilitySessionEndCompleted[];
 extern const char kStabilityStatsBuildTime[];
 extern const char kStabilityStatsVersion[];
 extern const char kStabilityVersionMismatchCount[];
+
+// Preferences for generating metrics at uninstall time.
 extern const char kUninstallLaunchCount[];
 extern const char kUninstallMetricsPageLoadCount[];
 extern const char kUninstallMetricsUptimeSec[];
 
 // For measuring data use for throttling UMA log uploads on cellular.
 extern const char kUmaCellDataUse[];
 extern const char kUserCellDataUse[];
 
 }  // namespace prefs
 }  // namespace metrics
 
 #endif  // COMPONENTS_METRICS_METRICS_PREF_NAMES_H_