Pass printing result to the browser....

chrome/renderer/print_web_view_helper.h

 // Copyright (c) 2009 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_DELEGATE_H_
-#define CHROME_RENDERER_PRINT_WEB_VIEW_DELEGATE_H_
+#ifndef CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_
+#define CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_
 
 #include <vector>
 
 #include "base/gfx/size.h"
 #include "base/scoped_ptr.h"
 #include "base/time.h"
 #include "webkit/glue/webview_delegate.h"
 
 namespace gfx {
 class Size;
 }
 
 namespace IPC {
 class Message;
 }
 
+#if defined(OS_LINUX)
+namespace printing {
+class PdfPsMetafile;
+typedef PdfPsMetafile NativeMetafile;
+}
+#endif
+
 class RenderView;
 class WebView;
 struct ViewMsg_Print_Params;
 struct ViewMsg_PrintPage_Params;
 struct ViewMsg_PrintPages_Params;
 
 
 // Class that calls the Begin and End print functions on the frame and changes
 // the size of the view temporarily to support full page printing..
 // Do not serve any events in the time between construction and destruction of
@@ skipping 48 matching lines @@
   void PrintPageAsJPEG(const ViewMsg_PrintPage_Params& params,
                        WebKit::WebFrame* frame,
                        float zoom_factor,
                        std::vector<unsigned char>* image_data);
 
  protected:
   bool CopyAndPrint(const ViewMsg_PrintPages_Params& params,
                     WebKit::WebFrame* web_frame);
 
   // Prints the page listed in |params|.
+#if defined(OS_LINUX)
+  void PrintPage(const ViewMsg_PrintPage_Params& params,
+                 const gfx::Size& canvas_size,
+                 WebKit::WebFrame* frame,
+                 printing::NativeMetafile* metafile);
+#else
   void PrintPage(const ViewMsg_PrintPage_Params& params,
                  const gfx::Size& canvas_size,
                  WebKit::WebFrame* frame);
+#endif
 
   // Prints all the pages listed in |params|.
   // It will implicitly revert the document to display CSS media type.
   void PrintPages(const ViewMsg_PrintPages_Params& params,
                   WebKit::WebFrame* frame);
 
   // IPC::Message::Sender
   bool Send(IPC::Message* msg);
 
   int32 routing_id();
@@ skipping 18 matching lines @@
   RenderView* render_view_;
   scoped_ptr<WebView> print_web_view_;
   scoped_ptr<ViewMsg_PrintPages_Params> print_pages_params_;
   base::Time last_cancelled_script_print_;
   int user_cancelled_scripted_print_count_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(PrintWebViewHelper);
 };
 
-#endif  // CHROME_RENDERER_PRINT_WEB_VIEW_DELEGATE_H_
+#endif  // CHROME_RENDERER_PRINT_WEB_VIEW_HELPER_H_