Implement limited paged media support for win.

chrome/renderer/print_web_view_helper.cc

 // 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.
 
 #include "chrome/renderer/print_web_view_helper.h"
 
 #include "app/l10n_util.h"
 #include "base/logging.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/renderer/render_view.h"
 #include "gfx/codec/jpeg_codec.h"
 #include "grit/generated_resources.h"
 #include "printing/units.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebConsoleMessage.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebFrame.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebRect.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebScreenInfo.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebSize.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebURLRequest.h"
 #include "webkit/glue/webkit_glue.h"
 
 using printing::ConvertPixelsToPoint;
 using printing::ConvertPixelsToPointDouble;
 using printing::ConvertUnit;
+using printing::ConvertUnitDouble;
 using WebKit::WebConsoleMessage;
 using WebKit::WebFrame;
 using WebKit::WebRect;
 using WebKit::WebSize;
 using WebKit::WebScreenInfo;
 using WebKit::WebString;
 using WebKit::WebURLRequest;
 using WebKit::WebView;
 
 PrepareFrameAndViewForPrint::PrepareFrameAndViewForPrint(
@@ skipping 395 matching lines @@
   if (margin_bottom_in_points)
     *margin_bottom_in_points =
         ConvertPixelsToPointDouble(margin_bottom_in_pixels);
   if (margin_left_in_points)
     *margin_left_in_points =
         ConvertPixelsToPointDouble(margin_left_in_pixels);
 }
 
 void PrintWebViewHelper::UpdatePrintableSizeInPrintParameters(
     WebFrame* frame, ViewMsg_Print_Params* params) {
-#if defined(OS_MACOSX)
   double content_width_in_points;
   double content_height_in_points;
   PrintWebViewHelper::GetPageSizeAndMarginsInPoints(frame, 0, *params,
                                                     &content_width_in_points,
                                                     &content_height_in_points,
                                                     NULL, NULL, NULL, NULL);
+#if defined(OS_MACOSX)
   params->printable_size = gfx::Size(
       static_cast<int>(content_width_in_points),
       static_cast<int>(content_height_in_points));
+#else
+  params->printable_size = gfx::Size(
+      static_cast<int>(ConvertUnitDouble(
+          content_width_in_points, printing::kPointsPerInch, params->dpi)),
+      static_cast<int>(ConvertUnitDouble(
+          content_height_in_points, printing::kPointsPerInch, params->dpi)));
 #endif
 }