Remove instant confirmation dialog that is displayed the first time the instant checkbox is clicked.

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"
 #include "chrome/common/pref_font_webkit_names.h"
 
 namespace prefs {
@@ skipping 465 matching lines @@
 
 // Disables the listed protocol schemes.
 const char kDisabledSchemes[] = "protocol.disabled_schemes";
 
 // Blocks access to the listed host patterns.
 const char kUrlBlacklist[] = "policy.url_blacklist";
 
 // Allows access to the listed host patterns, as exceptions to the blacklist.
 const char kUrlWhitelist[] = "policy.url_whitelist";
 
-// Boolean pref indicating whether the instant confirm dialog has been shown.
-const char kInstantConfirmDialogShown[] = "instant.confirm_dialog_shown";
-
 // Boolean pref indicating if instant is enabled.
 const char kInstantEnabled[] = "instant.enabled";
 
 // Boolean pref indicating if instant is enabled for instant extended.
 const char kInstantExtendedEnabled[] = "instant_extended.enabled";
 
 // Prefix URL for the experimental Instant ZeroSuggest provider.
 const char kInstantUIZeroSuggestUrlPrefix[] =
     "instant_ui.zero_suggest_url_prefix";
 
@@ skipping 1899 matching lines @@
 // the time of the last ping.
 extern const char kAppListLaunchCount[] = "app_list.launch_count";
 extern const char kLastAppListLaunchPing[] = "app_list.last_launch_ping";
 
 // The number of times the an app was launched from the app launcher since last
 // ping and the time of the last ping.
 extern const char kAppListAppLaunchCount[] = "app_list.app_launch_count";
 extern const char kLastAppListAppLaunchPing[] = "app_list.last_app_launch_ping";
 
 }  // namespace prefs