Define Print Preview default printer selection 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 {
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 // 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";
 
+// A pref holding the value of the policy used to control default destination
+// selection in the Print Preview. See DefaultPrinterSelection policy.
+const char kPrintPreviewDefaultDestinationSelectionRules[] =
+    "printing.default_destination_selection_rules";
+
 // 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[] =
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     "supervised_users.whitelists";
 
 #if defined(ENABLE_EXTENSIONS)
 // Policy that indicates how to handle animated images.
 const char kAnimationPolicy[] = "settings.a11y.animation_policy";
 #endif
 
 const char kBackgroundTracingLastUpload[] = "background_tracing.last_upload";
 
 }  // namespace prefs