PrintPreview: Honor the print media page size and margin values.

printing/printed_page.h

Index: printing/printed_page.h
diff --git a/printing/printed_page.h b/printing/printed_page.h
index 28bf19158dcfb0c48e83a4ef91754b83844c484b..40e96e041d3144b5ecb14d468385bfa2dfa335e3 100644
--- a/printing/printed_page.h
+++ b/printing/printed_page.h
@@ -25,13 +25,15 @@ class PRINTING_EXPORT PrintedPage
   PrintedPage(int page_number,
               Metafile* metafile,
               const gfx::Size& page_size,
-              const gfx::Rect& page_content_rect);
+              const gfx::Rect& page_content_rect,
+              double shrink_factor);
 
   // Getters
   int page_number() const { return page_number_; }
   const Metafile* metafile() const;
   const gfx::Size& page_size() const { return page_size_; }
   const gfx::Rect& page_content_rect() const { return page_content_rect_; }
+  double shrink_factor() const { return shrink_factor_; }
 
   // Get page content rect adjusted based on
   // http://dev.w3.org/csswg/css3-page/#positioning-page-box
@@ -56,6 +58,9 @@ class PRINTING_EXPORT PrintedPage
   // The printable area of the page.
   const gfx::Rect page_content_rect_;
 
+  // Shrink done in comparison to desired_dpi.
+  double shrink_factor_;
+
   DISALLOW_COPY_AND_ASSIGN(PrintedPage);
 };