Use document from preview for System Dialog printing on Windows.

printing/printing_context_win.h

Index: printing/printing_context_win.h
diff --git a/printing/printing_context_win.h b/printing/printing_context_win.h
index 94fd04143de73cdf3d1ec2b7cfb858797527494c..99a7e3ef2b0c076964f92234973605b6185a69a2 100644
--- a/printing/printing_context_win.h
+++ b/printing/printing_context_win.h
@@ -29,7 +29,8 @@ class PRINTING_EXPORT PrintingContextWin : public PrintingContext {
       const PrintSettingsCallback& callback) OVERRIDE;
   virtual Result UseDefaultSettings() OVERRIDE;
   virtual gfx::Size GetPdfPaperSizeDeviceUnits() OVERRIDE;
-  virtual Result UpdatePrinterSettings(bool external_preview) OVERRIDE;
+  virtual Result UpdatePrinterSettings(bool external_preview,
+                                       bool show_system_dialog) OVERRIDE;
   virtual Result InitWithSettings(const PrintSettings& settings) OVERRIDE;
   virtual Result NewDocument(const base::string16& document_name) OVERRIDE;
   virtual Result NewPage() OVERRIDE;
@@ -39,45 +40,24 @@ class PRINTING_EXPORT PrintingContextWin : public PrintingContext {
   virtual void ReleaseContext() OVERRIDE;
   virtual gfx::NativeDrawingContext context() const OVERRIDE;
 
-  // Allocates the HDC for a specific DEVMODE.
-  static bool AllocateContext(const std::wstring& printer_name,
-                              const DEVMODE* dev_mode,
-                              gfx::NativeDrawingContext* context);
-
  protected:
-  virtual HRESULT ShowPrintDialog(PRINTDLGEX* options);
+  virtual scoped_ptr<DEVMODE, base::FreeDeleter> ShowPrintDialog(
+      HANDLE printer,
+      gfx::NativeView parent_view,
+      DEVMODE* dev_mode);
 
  private:
-  // Class that manages the PrintDlgEx() callbacks. This is meant to be a
-  // temporary object used during the Print... dialog display.
-  class CallbackHandler;
-
   // Used in response to the user canceling the printing.
   static BOOL CALLBACK AbortProc(HDC hdc, int nCode);
 
   // Reads the settings from the selected device context. Updates settings_ and
   // its margins.
-  bool InitializeSettings(const DEVMODE& dev_mode,
-                          const std::wstring& new_device_name,
-                          const PRINTPAGERANGE* ranges,
-                          int number_ranges,
-                          bool selection_only);
-
-  // Retrieves the printer's default low-level settings. On Windows, context_ is
-  // allocated with this call.
-  bool GetPrinterSettings(HANDLE printer,
-                          const std::wstring& device_name);
-
-  // Parses the result of a PRINTDLGEX result.
-  Result ParseDialogResultEx(const PRINTDLGEX& dialog_options);
-  Result ParseDialogResult(const PRINTDLG& dialog_options);
+  virtual Result InitializeSettings(const base::string16& device_name,
+                                    DEVMODE* dev_mode);
 
   // The selected printer context.
   HDC context_;
 
-  // The dialog box for the time it is shown.
-  volatile HWND dialog_box_;
-
   DISALLOW_COPY_AND_ASSIGN(PrintingContextWin);
 };