Added pref for snapshot document collapsed state

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 1693 matching lines @@
 const char kExtensionInstallForceList[] = "extensions.install.forcelist";
 
 // 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";
 
+// Keeps track of snapshot documents collapsed state in the Other Devices menu.

[Pam (message me for reviews), 2013/11/02 08:27:25]

nit: alphabetize to match newly alphabetized :) kNtp section of the .h file

[apiccion, 2013/11/03 17:52:59]

Done.

+const char kNtpCollapsedSnapshotDocument[] = "ntp.collapsed_snapshot_document";
+
+// Keeps track of recently closed tabs collapsed state in the Other Devices
+// menu.
+const char kNtpCollapsedRecentlyClosedTabs[] =
+    "ntp.collapsed_recently_closed_tabs";
+
+// Keeps track of sync promo collapsed state in the Other Devices menu.
+const char kNtpCollapsedSyncPromo[] = "ntp.collapsed_sync_promo";
+
 // 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.
 const char kNtpTipsResourceServer[] = "ntp.tips_resource_server";
 
 // Serves dates to determine display of elements on the NTP.
@@ skipping 869 matching lines @@
 #if defined(OS_ANDROID)
 // A list of partner bookmark rename/remove mappings.
 // Each list item is a dictionary containing a "url", a "provider_title" and
 // "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
 
 }  // namespace prefs