Added Header and Footer support using Skia

chrome/browser/ui/webui/print_preview_handler.cc

Index: chrome/browser/ui/webui/print_preview_handler.cc
diff --git a/chrome/browser/ui/webui/print_preview_handler.cc b/chrome/browser/ui/webui/print_preview_handler.cc
index 22be5a7b5703d9d1c1386aff734205536e984952..2d061e7284ea4abf4d443c68ad1a0412596672ef 100644
--- a/chrome/browser/ui/webui/print_preview_handler.cc
+++ b/chrome/browser/ui/webui/print_preview_handler.cc
@@ -489,6 +489,24 @@ void PrintPreviewHandler::HandleGetPreview(const ListValue* args) {
     print_preview_ui->OnPrintPreviewFailed();
     return;
   }
+
+  // Retrieve the page title and url and send it to the renderer process if
+  // headers and footers are to be displayed.
+  bool display_header_footer;

[Lei Zhang, 2011/08/03 01:28:31]

If you don't initialize |display_header_footer|, you may get nondeterministic
behavior in release builds if you ever hit the NOTREACHED().

[Aayush Kumar, 2011/08/03 15:52:54]

Done.

+  if (!settings->GetBoolean(printing::kSettingHeaderFooter,
+                            &display_header_footer)) {
+    NOTREACHED();
+  }
+  if (display_header_footer) {
+    settings->SetString(printing::kSettingHeaderFooterTitle,
+                        initiator_tab->GetTitle());
+    std::string url;
+    NavigationEntry* entry = initiator_tab->controller().GetActiveEntry();
+    if (entry)
+      url = entry->virtual_url().spec();
+    settings->SetString(printing::kSettingHeaderFooterURL, url);
+  }
+
   VLOG(1) << "Print preview request start";
   RenderViewHost* rvh = initiator_tab->render_view_host();
   rvh->Send(new PrintMsg_PrintPreview(rvh->routing_id(), *settings));