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

chrome/renderer/print_web_view_helper_mac.mm

Index: chrome/renderer/print_web_view_helper_mac.mm
diff --git a/chrome/renderer/print_web_view_helper_mac.mm b/chrome/renderer/print_web_view_helper_mac.mm
index 1700f669af18fc4a068f1e166c7aececcd6b1ffb..7ee385e879be2891ceab87c1aa1c6936cd6d5bfa 100644
--- a/chrome/renderer/print_web_view_helper_mac.mm
+++ b/chrome/renderer/print_web_view_helper_mac.mm
@@ -32,7 +32,7 @@ void PrintWebViewHelper::PrintPageInternal(
   if (!metafile.Init())
     return;
 
-  float scale_factor = frame->getPrintPageShrink(params.page_number);
+  double scale_factor = frame->getPrintPageShrink(params.page_number);
   int page_number = params.page_number;
 
   // Render page for printing.
@@ -62,7 +62,7 @@ void PrintWebViewHelper::PrintPageInternal(
 }
 
 bool PrintWebViewHelper::RenderPreviewPage(int page_number) {
-  float scale_factor = print_preview_context_.frame()->getPrintPageShrink(0);
+  double scale_factor = print_preview_context_.frame()->getPrintPageShrink(0);
   PrintMsg_Print_Params printParams = print_preview_context_.print_params();
   gfx::Rect content_area(printParams.margin_left, printParams.margin_top,
                          printParams.printable_size.width(),
@@ -144,7 +144,7 @@ bool PrintWebViewHelper::RenderPreviewPage(int page_number) {
 
 void PrintWebViewHelper::RenderPage(
     const gfx::Size& page_size, const gfx::Rect& content_area,
-    const float& scale_factor, int page_number, WebFrame* frame,
+    const double& scale_factor, int page_number, WebFrame* frame,
     bool is_preview, printing::Metafile* metafile) {
 
   {
@@ -172,9 +172,10 @@ void PrintWebViewHelper::RenderPage(
 #endif
 
     printing::PageSizeMargins page_layout_in_points;
-    GetPageSizeAndMarginsInPoints(frame, page_number,
-                                  print_pages_params_->params,
-                                  &page_layout_in_points);
+    GetPageSizeAndMarginsInPoints(
+        frame, page_number, print_pages_params_->params,
+        ignore_frame_margins_css_, fit_to_page_, NULL,
+        &page_layout_in_points);
 
 #if !defined(USE_SKIA)
     // For CoreGraphics, print in the margins before printing in the content