Garbage Collect the Storage directory on next profile start after an extension uninstall.

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"
 
 namespace prefs {
 
@@ skipping 1514 matching lines @@
 // accessed through extensions::ExternalPolicyProvider.
 const char kExtensionInstallForceList[] = "extensions.install.forcelist";
 
 // Time of the last, and next scheduled, extensions auto-update checks.
 const char kLastExtensionsUpdateCheck[] = "extensions.autoupdate.last_check";
 const char kNextExtensionsUpdateCheck[] = "extensions.autoupdate.next_check";
 // Version number of last blacklist check
 const char kExtensionBlacklistUpdateVersion[] =
     "extensions.blacklistupdate.version";
 
+// Indicates on-disk data might have skeletal data that needs to be cleaned
+// on the next start of the browser.
+const char kExtensionStorageGarbageCollect[] =
+    "extensions.storage.garbagecollect";
+
 // Keeps track of which sessions are collapsed in the Other Devices menu.
 const char kNtpCollapsedForeignSessions[] = "ntp.collapsed_foreign_sessions";
 
 // New Tab Page URLs that should not be shown as most visited thumbnails.
 const char kNtpMostVisitedURLsBlacklist[] = "ntp.most_visited_blacklist";
 
 // Last time of update of promo_resource_cache.
 const char kNtpPromoResourceCacheUpdate[] = "ntp.promo_resource_cache_update";
 
 // Serves tips for the NTP.
@@ skipping 619 matching lines @@
 // 64-bit serialization of the time last policy usage statistics were collected
 // by UMA_HISTOGRAM_ENUMERATION.
 const char kLastPolicyStatisticsUpdate[] = "policy.last_statistics_update";
 
 #if defined(OS_CHROMEOS)
 // The RLZ brand code, if enabled.
 const char kRLZBrand[] = "rlz.brand";
 #endif
 
 }  // namespace prefs