Added Header and Footer support using Skia

chrome/renderer/print_web_view_helper_linux.cc

 // Copyright (c) 2011 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 "base/file_descriptor_posix.h"
 #include "base/logging.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/metrics/histogram.h"
@@ skipping 139 matching lines @@
                                                   print_params.document_cookie,
                                                   *page_count));
 #endif
 
   base::TimeTicks begin_time = base::TimeTicks::Now();
   base::TimeTicks page_begin_time = begin_time;
 
   PrintMsg_PrintPage_Params page_params;
   page_params.params = print_params;
   const gfx::Size& canvas_size = prepare->GetPrintCanvasSize();
+  page_params.params.display_header_footer = false;
   if (params.pages.empty()) {
     for (int i = 0; i < *page_count; ++i) {
       page_params.page_number = i;
       PrintPageInternal(page_params, canvas_size, frame, metafile);
     }
   } else {
     for (size_t i = 0; i < params.pages.size(); ++i) {
       page_params.page_number = params.pages[i];
       PrintPageInternal(page_params, canvas_size, frame, metafile);
     }
@@ skipping 32 matching lines @@
   if (!device)
     return;
 
   // The printPage method take a reference to the canvas we pass down, so it
   // can't be a stack object.
   SkRefPtr<skia::VectorCanvas> canvas = new skia::VectorCanvas(device);
   canvas->unref();  // SkRefPtr and new both took a reference.
   printing::MetafileSkiaWrapper::SetMetafileOnCanvas(canvas.get(), metafile);
   frame->printPage(params.page_number, canvas.get());
 
-  // TODO(myhuang): We should render the header and the footer.
+  if (params.params.display_header_footer) {
+    // |page_number| is 0-based, so 1 is added.
+    // The scale factor on Linux is 1.
+    PrintHeaderAndFooter(device, canvas.get(), params.page_number + 1,
+                         print_preview_context_.total_page_count(), 1,
+                         page_layout_in_points, *header_footer_info_);
+  }
 
   // Done printing. Close the device context to retrieve the compiled metafile.
   if (!metafile->FinishPage())
     NOTREACHED() << "metafile failed";
 }