Removes pinning code from TopSites as we no longer need it.

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 1301 matching lines @@
 // Version number of last blacklist check
 const char kExtensionBlacklistUpdateVersion[] =
     "extensions.blacklistupdate.version";
 
 // Number of times the NTP4 informational bubble has been shown.
 const char kNtp4IntroDisplayCount[] = "ntp.intro_display_count";
 
 // New Tab Page URLs that should not be shown as most visited thumbnails.
 const char kNtpMostVisitedURLsBlacklist[] = "ntp.most_visited_blacklist";
 
-// The URLs that have been pinned to the Most Visited section of the New Tab
-// Page.
-const char kNtpMostVisitedPinnedURLs[] = "ntp.pinned_urls";
-
 // Data downloaded from promo resource pages (JSON, RSS) to be used to
 // dynamically deliver data for the new tab page.
 const char kNtpPromoResourceCache[] = "ntp.promo_resource_cache";
 
 // Last time of update of promo_resource_cache.
 const char kNtpPromoResourceCacheUpdate[] = "ntp.promo_resource_cache_update";
 
 // Is user logged into G+ (used for G+ extension promo).
 const char kNtpPromoIsLoggedInToPlus[] = "ntp.promo_is_logged_in_to_plus";
 
@@ skipping 489 matching lines @@
 const char kRailBreakProportion[] =
     "gesture.rail_break_proportion";
 const char kRailStartProportion[] =
     "gesture.rail_start_proportion";
 #endif
 
 // Indicates whether the browser is in managed mode.
 const char kInManagedMode[] = "managed_mode";
 
 }  // namespace prefs