Remove omnibox_search_hint.(cc,h).

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 1037 matching lines @@
 // asking the user to set up automatic updates when Keystone promotion is
 // required.
 const char kShowUpdatePromotionInfoBar[] =
     "browser.show_update_promotion_info_bar";
 #endif
 
 // Boolean that is false if we should show window manager decorations.  If
 // true, we draw a custom chrome frame (thicker title bar and blue border).
 const char kUseCustomChromeFrame[] = "browser.custom_chrome_frame";
 
-// Boolean that indicates whether the infobar explaining that search can be
-// done directly from the omnibox should be shown.
-const char kShowOmniboxSearchHint[] = "browser.show_omnibox_search_hint";
-
 // The preferred position (which corner of screen) for desktop notifications.
 const char kDesktopNotificationPosition[] =
     "browser.desktop_notification_position";
 
 // Dictionary of content settings applied to all hosts by default.
 const char kDefaultContentSettings[] = "profile.default_content_settings";
 
 // Boolean indicating whether the clear on exit pref was migrated to content
 // settings yet.
 const char kContentSettingsClearOnExitMigrated[] =
@@ skipping 1399 matching lines @@
 // 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";
 
 // A string pref for storing the salt used to compute the pepper device ID.
 const char kDRMSalt[] = "settings.privacy.drm_salt";
 // A boolean pref that enables the (private) pepper GetDeviceID() call.
 const char kEnableDRM[] = "settings.privacy.drm_enabled";
 
 }  // namespace prefs