Remove TopSites::IsEnabled() as well as related dead code.

chrome/common/chrome_switches.cc

 // Copyright (c) 2010 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/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 559 matching lines @@
 // Enable syncing browser sessions.
 const char kEnableSyncSessions[]            = "enable-sync-sessions";
 
 // Enable syncing browser typed urls.
 const char kEnableSyncTypedUrls[]           = "enable-sync-typed-urls";
 
 // Enable use of experimental TCP sockets API for sending data in the
 // SYN packet.
 const char kEnableTcpFastOpen[]             = "enable-tcp-fastopen";
 
-// Enables TopSites.
-const char kEnableTopSites[]                = "enable-top-sites";
-
 // Whether or not the touch events API is exposed.
 const char kEnableTouch[]                   = "enable-touch";
 
 // Is verbatim instant enabled?
 const char kEnableVerbatimInstant[]         = "enable-verbatim-instant";
 
 // Enables the option to show tabs as a vertical stack down the side of the
 // browser window.
 const char kEnableVerticalTabs[]            = "enable-vertical-tabs";
 
@@ skipping 790 matching lines @@
 
 // -----------------------------------------------------------------------------
 // DO NOT ADD YOUR CRAP TO THE BOTTOM OF THIS FILE.
 //
 // You were going to just dump your switches here, weren't you? Instead,
 // please put them in alphabetical order above, or in order inside the
 // appropriate ifdef at the bottom. The order should match the header.
 // -----------------------------------------------------------------------------
 
 }  // namespace switches