Handle floating point coordinates from ozone to exosphere

ui/views/view.h

Index: ui/views/view.h
diff --git a/ui/views/view.h b/ui/views/view.h
index 147785c6a86b255dc5e279a35c33d7bb0b7aa76b..a016c0dec03ffcf7546dec6c98c7c8c74de6600d 100644
--- a/ui/views/view.h
+++ b/ui/views/view.h
@@ -475,7 +475,9 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   static void ConvertPointToTarget(const View* source,
                                    const View* target,
                                    gfx::Point* point);
-
+  static void ConvertPointToTargetF(const View* source,
+                                    const View* target,
+                                    gfx::PointF* point);
   // Convert |rect| from the coordinate system of |source| to the coordinate
   // system of |target|.
   //
@@ -1348,12 +1350,15 @@ class VIEWS_EXPORT View : public ui::LayerDelegate,
   // system using necessary transformations. Returns whether the point was
   // successfully converted to the ancestor's coordinate system.
   bool ConvertPointForAncestor(const View* ancestor, gfx::Point* point) const;
+  bool ConvertPointForAncestorF(const View* ancestor, gfx::PointF* point) const;
 
   // Convert a point in the ancestor's coordinate system to the view's
   // coordinate system using necessary transformations. Returns whether the
   // point was successfully converted from the ancestor's coordinate system
   // to the view's coordinate system.
   bool ConvertPointFromAncestor(const View* ancestor, gfx::Point* point) const;
+  bool ConvertPointFromAncestorF(const View* ancestor,
+                                 gfx::PointF* point) const;
 
   // Convert a rect in the view's coordinate to an ancestor view's coordinate
   // system using necessary transformations. Returns whether the rect was