Removed --disable-print-preview switch and policy.

chrome/browser/renderer_context_menu/render_view_context_menu.cc

Index: chrome/browser/renderer_context_menu/render_view_context_menu.cc
diff --git a/chrome/browser/renderer_context_menu/render_view_context_menu.cc b/chrome/browser/renderer_context_menu/render_view_context_menu.cc
index a3610e2bdf311c542a3698e78655e07acd5472de..4cb1f5fdf2bfafc8768716c8fa8ed9bbfd008bf2 100644
--- a/chrome/browser/renderer_context_menu/render_view_context_menu.cc
+++ b/chrome/browser/renderer_context_menu/render_view_context_menu.cc
@@ -1498,12 +1498,7 @@ void RenderViewContextMenu::ExecuteCommand(int id, int event_flags) {
 
         if (!print_view_manager)
           break;
-        if (GetPrefs(browser_context_)
-                ->GetBoolean(prefs::kPrintPreviewDisabled)) {
-          print_view_manager->PrintNow();

[Lei Zhang, 2014/08/20 00:01:15]

Is PrintNow() dead code?

[Vitaly Buka (NO REVIEWS), 2014/08/20 01:16:14]

Done.

-        } else {
-          print_view_manager->PrintPreviewNow(!params_.selection_text.empty());
-        }
+        print_view_manager->PrintPreviewNow(!params_.selection_text.empty());
 #else
         printing::PrintViewManagerBasic* print_view_manager =
             printing::PrintViewManagerBasic::FromWebContents(