Revert of Restored disable print preview policy.

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 1148 matching lines @@
 const char kProfileAvatarTutorialShown[] =
     "profile.avatar_bubble_tutorial_shown";
 
 // Indicates if we've already shown a notification that high contrast
 // mode is on, recommending high-contrast extensions and themes.
 const char kInvertNotificationShown[] = "invert_notification_version_2_shown";
 
 // Boolean controlling whether printing is enabled.
 const char kPrintingEnabled[] = "printing.enabled";
 
-// Boolean controlling whether print preview is disabled.
-const char kPrintPreviewDisabled[] = "printing.print_preview_disabled";
-
 // An integer pref specifying the fallback behavior for sites outside of content
 // packs. One of:
 // 0: Allow (does nothing)
 // 1: Warn.
 // 2: Block.
 const char kDefaultSupervisedUserFilteringBehavior[] =
     "profile.managed.default_filtering_behavior";
 
 // Whether this user is permitted to create supervised users.
 const char kSupervisedUserCreationAllowed[] =
@@ skipping 1160 matching lines @@
 // Whether DNS Quick Check is disabled in proxy resolution.
 const char kQuickCheckEnabled[] = "proxy.quick_check_enabled";
 
 // Whether Guest Mode is enabled within the browser.
 const char kBrowserGuestModeEnabled[] = "profile.browser_guest_enabled";
 
 // Whether Adding a new Person is enabled within the user manager.
 const char kBrowserAddPersonEnabled[] = "profile.add_person_enabled";
 
 }  // namespace prefs