Always show distillation option in print preview

chrome/browser/ui/webui/print_preview/print_preview_handler.h

 // 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.
 
 #ifndef CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_HANDLER_H_
 #define CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_HANDLER_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
@@ skipping 317 matching lines @@
   void OnGotExtensionPrinterCapabilities(
       const std::string& printer_id,
       const base::DictionaryValue& capabilities);
 
   // Called when an extension print job is completed.
   // |success|: Whether the job succeeded.
   // |status|: The returned print job status. Useful for reporting a specific
   //     error.
   void OnExtensionPrintResult(bool success, const std::string& status);
 
-  // Called when the DOM Distiller determines whether or not this page can
-  // be distilled.
-  // |distillable|: Whether or not this page can be distilled.
-  void HandleIsPageDistillableResult(bool distillable);
-
   // Register/unregister from notifications of changes done to the GAIA
   // cookie.
   void RegisterForGaiaCookieChanges();
   void UnregisterForGaiaCookieChanges();
 
   // The underlying dialog object.
   scoped_refptr<ui::SelectFileDialog> select_file_dialog_;
 
   // A count of how many requests received to regenerate preview data.
   // Initialized to 0 then incremented and emitted to a histogram.
@@ skipping 46 matching lines @@
   // A print preview that is responsible for rendering the page after
   // being processed by the DOM Distiller.
   scoped_ptr<PrintPreviewDistiller> print_preview_distiller_;
 
   base::WeakPtrFactory<PrintPreviewHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintPreviewHandler);
 };
 
 #endif  // CHROME_BROWSER_UI_WEBUI_PRINT_PREVIEW_PRINT_PREVIEW_HANDLER_H_