[autofill] Ingore mouse move on Windows for the first 50ms.

chrome/browser/ui/views/autofill/autofill_popup_base_view.h

Index: chrome/browser/ui/views/autofill/autofill_popup_base_view.h
diff --git a/chrome/browser/ui/views/autofill/autofill_popup_base_view.h b/chrome/browser/ui/views/autofill/autofill_popup_base_view.h
index dbb77aa29ec584f081fb066062385bf2a97c02b8..8c861ba619400198250f7c899721b0d7d9d1bbb6 100644
--- a/chrome/browser/ui/views/autofill/autofill_popup_base_view.h
+++ b/chrome/browser/ui/views/autofill/autofill_popup_base_view.h
@@ -6,6 +6,7 @@
 #define CHROME_BROWSER_UI_VIEWS_AUTOFILL_AUTOFILL_POPUP_BASE_VIEW_H_
 
 #include "base/memory/weak_ptr.h"
+#include "base/time/time.h"
 #include "chrome/browser/ui/autofill/autofill_popup_view_delegate.h"
 #include "ui/views/focus/widget_focus_manager.h"
 #include "ui/views/widget/widget_delegate.h"
@@ -86,6 +87,12 @@ class AutofillPopupBaseView : public views::WidgetDelegateView,
   // The focus manager that |this| observes. Weak reference.
   views::FocusManager* focus_manager_;
 
+#if defined(OS_WIN)
+  // The system time when the popup was shown. The system time is measured in
+  // milliseconds since system startup and rolls over every 49.71 days.
+  base::TimeDelta show_time_;
+#endif
+
   base::WeakPtrFactory<AutofillPopupBaseView> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(AutofillPopupBaseView);