Aura tooltips do not move on mouse move in case of many neighboring views with the same label

ui/views/widget/tooltip_manager_aura.h

Index: ui/views/widget/tooltip_manager_aura.h
diff --git a/ui/views/widget/tooltip_manager_aura.h b/ui/views/widget/tooltip_manager_aura.h
index e723299060b1b509fe3117393f7c88ec931fe02d..eaee1f22e703864c9b92023facad745e88ad3930 100644
--- a/ui/views/widget/tooltip_manager_aura.h
+++ b/ui/views/widget/tooltip_manager_aura.h
@@ -8,6 +8,7 @@
 #include "base/compiler_specific.h"
 #include "base/strings/string16.h"
 #include "ui/gfx/point.h"
+#include "ui/gfx/rect.h"
 #include "ui/views/widget/tooltip_manager.h"
 
 namespace aura {
@@ -20,6 +21,7 @@ class FontList;
 
 namespace views {
 
+class View;
 class Widget;
 
 // TooltipManager implementation for Aura.
@@ -54,6 +56,9 @@ class TooltipManagerAura : public TooltipManager {
   Widget* widget_;
   base::string16 tooltip_text_;
 
+  // Bounds of the view for which the last managed tooltip was displayed.
+  gfx::Rect origin_bounds_;
+
   DISALLOW_COPY_AND_ASSIGN(TooltipManagerAura);
 };