Record the PDF and top level URL when the PDF plugin crashes.

chrome/browser/extensions/api/streams_private/streams_private_api.cc

 // Copyright (c) 2012 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/browser/extensions/api/streams_private/streams_private_api.h"
 
 #include <limits.h>
 #include <utility>
 
 #include "base/lazy_instance.h"
@@ skipping 67 matching lines @@
   if (!extension)
     return;
 
   MimeTypesHandler* handler = MimeTypesHandler::GetHandler(extension);
   // If the mime handler uses MimeHandlerViewGuest, the MimeHandlerViewGuest
   // will take ownership of the stream. Otherwise, store the stream handle in
   // |streams_| and fire an event notifying the extension.
   if (handler->HasPlugin()) {
     GURL handler_url(Extension::GetBaseURLFromExtensionId(extension_id).spec() +
                      handler->handler_url());
-    auto tab_id = ExtensionTabUtil::GetTabId(web_contents);
+    int tab_id = ExtensionTabUtil::GetTabId(web_contents);
     std::unique_ptr<StreamContainer> stream_container(new StreamContainer(
         std::move(stream), tab_id, embedded, handler_url, extension_id));
     MimeHandlerStreamManager::Get(browser_context_)
         ->AddStream(view_id, std::move(stream_container), render_process_id,
                     render_frame_id);
     return;
   }
   // Create the event's arguments value.
   streams_private::StreamInfo info;
   info.mime_type = stream->mime_type;
@@ skipping 73 matching lines @@
 static base::LazyInstance<BrowserContextKeyedAPIFactory<StreamsPrivateAPI> >
     g_factory = LAZY_INSTANCE_INITIALIZER;
 
 // static
 BrowserContextKeyedAPIFactory<StreamsPrivateAPI>*
 StreamsPrivateAPI::GetFactoryInstance() {
   return g_factory.Pointer();
 }
 
 }  // namespace extensions