Restored disable print preview policy.

chrome/browser/ui/browser_commands.cc

 // Copyright 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/browser/ui/browser_commands.h"
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/utf_string_conversions.h"
@@ skipping 835 matching lines @@
 
 void ShowWebsiteSettings(Browser* browser,
                          content::WebContents* web_contents,
                          const GURL& url,
                          const SSLStatus& ssl) {
   browser->window()->ShowWebsiteSettings(
       Profile::FromBrowserContext(web_contents->GetBrowserContext()),
       web_contents, url, ssl);
 }
 
-
 void Print(Browser* browser) {
 #if defined(ENABLE_PRINTING)
   WebContents* contents = browser->tab_strip_model()->GetActiveWebContents();
+
 #if defined(ENABLE_FULL_PRINTING)
   printing::PrintViewManager* print_view_manager =
       printing::PrintViewManager::FromWebContents(contents);
-  print_view_manager->PrintPreviewNow(false);
-#else
+  if (!browser->profile()->GetPrefs()->GetBoolean(
+          prefs::kPrintPreviewDisabled)) {
+    print_view_manager->PrintPreviewNow(false);
+    return;
+  }
+#else   // ENABLE_FULL_PRINTING
   printing::PrintViewManagerBasic* print_view_manager =
       printing::PrintViewManagerBasic::FromWebContents(contents);
+#endif  // ENABLE_FULL_PRINTING
+
+#if !defined(DISABLE_BASIC_PRINTING)
   print_view_manager->PrintNow();
-#endif  // defined(ENABLE_FULL_PRINTING)
+#endif  // DISABLE_BASIC_PRINTING
+
 #endif  // defined(ENABLE_PRINTING)
 }
 
 bool CanPrint(Browser* browser) {
   // Do not print when printing is disabled via pref or policy.
   // Do not print when a constrained window is showing. It's confusing.
   // TODO(gbillock): Need to re-assess the call to
   // IsShowingWebContentsModalDialog after a popup management policy is
   // refined -- we will probably want to just queue the print request, not
   // block it.
@@ skipping 399 matching lines @@
                                           browser->profile(),
                                           browser->host_desktop_type()));
   app_browser->tab_strip_model()->AppendWebContents(contents, true);
 
   contents->GetMutableRendererPrefs()->can_accept_load_drops = false;
   contents->GetRenderViewHost()->SyncRendererPrefs();
   app_browser->window()->Show();
 }
 
 }  // namespace chrome