OOP PDF: Change the save toolbar button to match the save menu behavior.

extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc

Index: extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
diff --git a/extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc b/extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
index 90c8345d215c1e1ba02defe42f61d83d1ed478a6..6ca1ae1802353d8582c41b0327fdf115fbaca142 100644
--- a/extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
+++ b/extensions/browser/guest_view/mime_handler_view/mime_handler_view_guest.cc
@@ -78,6 +78,14 @@ void MimeHandlerViewGuest::CreateWebContents(
   std::string extension_src;
   create_params.GetString(mime_handler_view::kSrc, &extension_src);
   DCHECK(!extension_src.empty());
+  std::string content_url_str;
+  create_params.GetString(mime_handler_view::kContentUrl, &content_url_str);
+  content_url_ = GURL(content_url_str);
+  if (!content_url_.is_valid()) {
+    content_url_ = GURL();
+    callback.Run(nullptr);
+    return;
+  }
 
   GURL mime_handler_extension_url(extension_src);
   if (!mime_handler_extension_url.is_valid()) {
@@ -184,6 +192,15 @@ void MimeHandlerViewGuest::FindReply(content::WebContents* web_contents,
                                                     final_update);
 }
 
+bool MimeHandlerViewGuest::SaveFrame(const GURL& url,
+                                     const content::Referrer& referrer) {
+  if (!attached())
+    return false;
+
+  embedder_web_contents()->SaveFrame(content_url_, referrer);
+  return true;
+}
+
 bool MimeHandlerViewGuest::OnMessageReceived(const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(MimeHandlerViewGuest, message)