Fixed positioning of tooltips in multi monitor setups.

ui/views/corewm/tooltip_win.h

Index: ui/views/corewm/tooltip_win.h
diff --git a/ui/views/corewm/tooltip_win.h b/ui/views/corewm/tooltip_win.h
index b031a3204ebb65d05bcd810375362f4b71f2e694..1d20bb187e16b524dfaad23692f8d8175fa66543 100644
--- a/ui/views/corewm/tooltip_win.h
+++ b/ui/views/corewm/tooltip_win.h
@@ -9,6 +9,7 @@
 #include "base/compiler_specific.h"
 #include "base/strings/string16.h"
 #include "ui/gfx/point.h"
+#include "ui/views/corewm/cursor_height_provider_win.h"
 #include "ui/views/corewm/tooltip.h"
 
 #include <windows.h>
@@ -61,6 +62,8 @@ class VIEWS_EXPORT TooltipWin : public Tooltip {
   // cache it.
   gfx::Point location_;
 
+  CursorHeightProvider cursor_height_provider_;
+
   DISALLOW_COPY_AND_ASSIGN(TooltipWin);
 };