Adding functionality to print PDF embedded in the html page.

chrome/renderer/print_web_view_helper.cc

Index: chrome/renderer/print_web_view_helper.cc
===================================================================
--- chrome/renderer/print_web_view_helper.cc	(revision 117241)
+++ chrome/renderer/print_web_view_helper.cc	(working copy)
@@ -943,7 +943,20 @@
 
 void PrintWebViewHelper::OnPrintNodeUnderContextMenu() {
   const WebNode& context_menu_node = render_view()->GetContextMenuNode();
-  if (context_menu_node.isNull()) {
+  PrintNode(context_menu_node);
+}
+
+void PrintWebViewHelper::OnInitiatePrintPreview() {
+  DCHECK(is_preview_enabled_);
+  WebFrame* frame;
+  if (GetPrintFrame(&frame)) {
+    print_preview_context_.InitWithFrame(frame);
+    RequestPrintPreview();
+  }
+}
+
+void PrintWebViewHelper::PrintNode(const WebNode& node) {
+  if (node.isNull()) {
     NOTREACHED();
     return;
   }
@@ -951,23 +964,14 @@
   // Make a copy of the node, in case RenderView::OnContextMenuClosed resets
   // its |context_menu_node_|.
   if (is_preview_enabled_) {
-    print_preview_context_.InitWithNode(context_menu_node);
+    print_preview_context_.InitWithNode(node);
     RequestPrintPreview();
   } else {
-    WebNode duplicate_node(context_menu_node);
+    WebNode duplicate_node(node);
     Print(duplicate_node.document().frame(), duplicate_node);
   }
 }
 
-void PrintWebViewHelper::OnInitiatePrintPreview() {
-  DCHECK(is_preview_enabled_);
-  WebFrame* frame;
-  if (GetPrintFrame(&frame)) {
-    print_preview_context_.InitWithFrame(frame);
-    RequestPrintPreview();
-  }
-}
-
 void PrintWebViewHelper::Print(WebKit::WebFrame* frame,
                                const WebKit::WebNode& node) {
   // If still not finished with earlier print request simply ignore.