Get semantic capabilities from Print Backend.

chrome/renderer/print_web_view_helper.cc

Index: chrome/renderer/print_web_view_helper.cc
===================================================================
--- chrome/renderer/print_web_view_helper.cc	(revision 153539)
+++ chrome/renderer/print_web_view_helper.cc	(working copy)
@@ -959,7 +959,9 @@
   }
   print_preview_context_.set_generate_draft_pages(generate_draft_pages);
 
+  VLOG(1) << "Creating preview document";

[Albert Bodenhamer, 2012/08/29 23:54:26]

Temp debug code I assume?

[gene, 2012/08/30 03:19:03]

yeah :), I'll remove it

   if (CreatePreviewDocument()) {
+    VLOG(1) << "Finished creating preview document OK";
     DidFinishPrinting(OK);
   } else {
     if (notify_browser_of_print_failure_)
@@ -971,10 +973,13 @@
 bool PrintWebViewHelper::CreatePreviewDocument() {
   PrintMsg_Print_Params print_params = print_pages_params_->params;
   const std::vector<int>& pages = print_pages_params_->pages;
+  VLOG(1) << "before print_preview_context_.CreatePreviewDocument";
   if (!print_preview_context_.CreatePreviewDocument(&print_params, pages,
                                                     ignore_css_margins_)) {
+    VLOG(1) << "print_preview_context_.CreatePreviewDocument failed";
     return false;
   }
+  VLOG(1) << "print_preview_context_.CreatePreviewDocument succeeded";
 
   PageSizeMargins default_page_layout;
   ComputePageLayoutInPointsForCss(print_preview_context_.frame(), 0,