Move Bookmarks preferences to incognito persistent whitelist.

Preferences related to bookmarks are moved to the incognito persistent
storage list.
This CL does not change the current behavior.

Bug: 861722
Change-Id: I03e11cf0a2bb84872db4b96443b9d1d0db4002f5
Reviewed-on: https://chromium-review.googlesource.com/1166830Reviewed-by: Martin Šrámek <msramek@chromium.org>
Commit-Queue: Ramin Halavati <rhalavati@chromium.org>
Cr-Commit-Position: refs/heads/master@{#581505}

chrome/browser/prefs/pref_service_incognito_whitelist.cc

@@ -87,6 +87,15 @@ const char* persistent_pref_names[] = {
     ash::prefs::kShouldAlwaysShowAccessibilityMenu,
 #endif  // defined(OS_CHROMEOS)
 
+    // Bookmark preferences are common between incognito and regular mode.
+    bookmarks::prefs::kBookmarkEditorExpandedNodes,
+    bookmarks::prefs::kEditBookmarksEnabled,
+    bookmarks::prefs::kManagedBookmarks,
+    bookmarks::prefs::kManagedBookmarksFolderName,
+    bookmarks::prefs::kShowAppsShortcutInBookmarkBar,
+    bookmarks::prefs::kShowManagedBookmarksInBookmarkBar,
+    bookmarks::prefs::kShowBookmarkBar,
+
     // Metrics preferences are out of profile scope and are merged between
     // incognito and regular modes.
     metrics::prefs::kInstallDate, metrics::prefs::kMetricsClientID,
@@ -764,15 +773,6 @@ const char* temporary_incognito_whitelist[] = {
     chromeos::prefs::kQuirksClientLastServerCheck,
 #endif  // defined(OS_CHROMEOS)
 
-    // components/bookmarks/common/bookmark_pref_names.h
-    bookmarks::prefs::kBookmarkEditorExpandedNodes,
-    bookmarks::prefs::kEditBookmarksEnabled,
-    bookmarks::prefs::kManagedBookmarks,
-    bookmarks::prefs::kManagedBookmarksFolderName,
-    bookmarks::prefs::kShowAppsShortcutInBookmarkBar,
-    bookmarks::prefs::kShowManagedBookmarksInBookmarkBar,
-    bookmarks::prefs::kShowBookmarkBar,
-
     // components/certificate_transparency/pref_names.h
     certificate_transparency::prefs::kCTRequiredHosts,
     certificate_transparency::prefs::kCTExcludedHosts,