Remove ledger code from Chrome

chrome/common/chrome_switches.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/chrome_switches.h"
 
 #include "base/base_switches.h"
 #include "base/command_line.h"
 
 namespace switches {
@@ skipping 753 matching lines @@
 // Used for testing - keeps browser alive after last browser window closes.
 const char kKeepAliveForTest[]              = "keep-alive-for-test";
 
 // Enable Kiosk mode.
 const char kKioskMode[]                     = "kiosk";
 
 // Print automatically in kiosk mode. |kKioskMode| must be set as well.
 // See http://crbug.com/31395.
 const char kKioskModePrinting[]             = "kiosk-printing";
 
-// Address for the ledger (Copresence) server.
-// Ledger is deprecated; use the chrome.copresence API instead.
-const char kLedgerServer[]                  = "ledger-server";
-
-// Tracing token for calls to the ledger (Copresence) server.
-// Ledger is deprecated; use the chrome.copresence API instead.
-const char kLedgerTracingToken[]            = "ledger-tracing-token";
-
 // Causes Chrome to attempt to get metadata from the webstore for the
 // given item, and then prompt the user to download and install it.
 const char kLimitedInstallFromWebstore[]    = "limited-install-from-webstore";
 
 // Comma-separated list of directories with component extensions to load.
 const char kLoadComponentExtension[]        = "load-component-extension";
 
 // Loads an extension from the specified directory.
 const char kLoadExtension[]                 = "load-extension";
 
@@ skipping 572 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