Fix print preview workflow to reflect settings of selected printer.

chrome/renderer/print_web_view_helper.h

 // Copyright (c) 2011 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_RENDERER_PRINT_WEB_VIEW_HELPER_H_
 #define CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_
 #pragma once
 
 #include <vector>
 
@@ skipping 154 matching lines @@
     FAIL_PRINT,
     FAIL_PREVIEW,
   };
 
   // Notification when printing is done - signal tear-down/free resources.
   void DidFinishPrinting(PrintingResult result);
 
   // Print Settings -----------------------------------------------------------
 
   // Initialize print page settings with default settings.
-  bool InitPrintSettings(WebKit::WebFrame* frame,
-                         WebKit::WebNode* node,
-                         bool is_preview);
+  // Used only for native printing workflow.
+  bool InitPrintSettings(WebKit::WebFrame* frame);
 
   // Initialize print page settings with default settings and prepare the frame
   // for print. A new PrepareFrameAndViewForPrint is created to fulfill the
   // request and is filled into the |prepare| argument.
+  // Used only for native printing workflow.
   bool InitPrintSettingsAndPrepareFrame(
       WebKit::WebFrame* frame,
       WebKit::WebNode* node,
       scoped_ptr<PrepareFrameAndViewForPrint>* prepare);
 
   // Update the current print settings with new |job_settings|. |job_settings|
   // dictionary contains print job details such as printer name, number of
   // copies, page range, etc.
   bool UpdatePrintSettings(const base::DictionaryValue& job_settings,
                            bool is_preview);
@@ skipping 135 matching lines @@
 
   enum PrintPreviewErrorBuckets {
     PREVIEW_ERROR_NONE,  // Always first.
     PREVIEW_ERROR_BAD_SETTING,
     PREVIEW_ERROR_METAFILE_COPY_FAILED,
     PREVIEW_ERROR_METAFILE_INIT_FAILED,
     PREVIEW_ERROR_ZERO_PAGES,
     PREVIEW_ERROR_MAC_DRAFT_METAFILE_INIT_FAILED,
     PREVIEW_ERROR_PAGE_RENDERED_WITHOUT_METAFILE,
     PREVIEW_ERROR_UPDATING_PRINT_SETTINGS,
+    PREVIEW_ERROR_INVALID_PRINTER_SETTINGS,
     PREVIEW_ERROR_LAST_ENUM  // Always last.
   };
 
   // Keeps track of the state of print preview between messages.
   class PrintPreviewContext {
    public:
     PrintPreviewContext();
     ~PrintPreviewContext();
 
     // Initializes the print preview context. Need to be called to set
@@ skipping 36 matching lines @@
     void set_error(enum PrintPreviewErrorBuckets error);
 
     // Getters
     WebKit::WebFrame* frame() const;
     WebKit::WebNode* node() const;
     int total_page_count() const;
     bool generate_draft_pages();
     printing::PreviewMetafile* metafile() const;
     const PrintMsg_Print_Params& print_params() const;
     const gfx::Size& GetPrintCanvasSize() const;
+    int last_error() const;
 
    private:
     enum State {
       UNINITIALIZED,  // Not ready to render.
       INITIALIZED,    // Ready to render.
       RENDERING,      // Rendering.
       DONE            // Finished rendering.
     };
 
     // Reset some of the internal rendering context.
@@ skipping 29 matching lines @@
 
     State state_;
   };
 
   PrintPreviewContext print_preview_context_;
 
   DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper);
 };
 
 #endif  // CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_