Fixing remaining VC++ 2015 64-bit build breaks

chrome/browser/hang_monitor/hung_window_detector.cc

Index: chrome/browser/hang_monitor/hung_window_detector.cc
diff --git a/chrome/browser/hang_monitor/hung_window_detector.cc b/chrome/browser/hang_monitor/hung_window_detector.cc
index d58e36a47cfb6976f9fc537c9babda723e0c161d..72b8c5d459560ac0e9a8daa29be3ffb2dc300a76 100644
--- a/chrome/browser/hang_monitor/hung_window_detector.cc
+++ b/chrome/browser/hang_monitor/hung_window_detector.cc
@@ -88,10 +88,10 @@ bool HungWindowDetector::CheckChildWindow(HWND child_window) {
     // The message timeout for a child window starts of with a default
     // value specified by the message_response_timeout_ member. It is
     // tracked by a property on the child window.
-#pragma warning(disable:4311)
+#pragma warning(disable : 4311 4302)
     int child_window_message_timeout =
         reinterpret_cast<int>(GetProp(child_window, kHungChildWindowTimeout));
-#pragma warning(default:4311)
+#pragma warning(default : 4311 4302)
     if (!child_window_message_timeout) {
       child_window_message_timeout = message_response_timeout_;
     }