Removes some dead database code

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 1439 matching lines @@
 // Passes the name of the current running automated test to Chrome.
 const char kTestName[]                      = "test-name";
 
 // Type of the current test harness ("browser" or "ui").
 const char kTestType[]                      = "test-type";
 
 // Tells the app to listen for and broadcast testing-related messages on IPC
 // channel with the given ID.
 const char kTestingChannelID[]              = "testing-channel";
 
-// Enables tracking the amount of non-idle time spent viewing pages.
-const char kTrackActiveVisitTime[]          = "track-active-visit-time";
-
 // Overrides the default server used for Google Translate.
 const char kTranslateScriptURL[]            = "translate-script-url";
 
 // Disables same-origin check on HTTP resources pushed via a SPDY proxy.
 // The value is the host:port of the trusted proxy.
 const char kTrustedSpdyProxy[]              = "trusted-spdy-proxy";
 
 // Experimental. Shows a dialog asking the user to try chrome. This flag is to
 // be used only by the upgrade process.
 const char kTryChromeAgain[]                = "try-chrome-again";
@@ skipping 203 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