Fix building on Windows

chromium_src/chrome/browser/printing/pdf_to_emf_converter.cc

@@ -296,8 +296,7 @@ void PdfToEmfUtilityProcessHostClient::Start(
   // generate when sent to a metafile DC.
   utility_process_host_ =
       content::UtilityProcessHost::Create(
-          this, base::MessageLoop::current()->message_loop_proxy())
-          ->AsWeakPtr();
+          this, base::MessageLoop::current()->task_runner())->AsWeakPtr();
   if (!utility_process_host_)
     return OnFailed();
   // Should reply with OnProcessStarted().

chromium_src/chrome/common/chrome_utility_messages.h

@@ -27,7 +27,7 @@
 #if defined(OS_WIN)
 // A vector of filters, each being a Tuple containing a display string (i.e.
 // "Text Files") and a filter pattern (i.e. "*.txt").
-typedef std::vector<Tuple<base::string16, base::string16>>
+typedef std::vector<base::Tuple<base::string16, base::string16>>
     GetOpenFileNameFilter;
 #endif  // OS_WIN