[ash-md] Properly scales windows with transient parents in overview

ash/common/wm/overview/scoped_transform_overview_window.h

Index: ash/common/wm/overview/scoped_transform_overview_window.h
diff --git a/ash/common/wm/overview/scoped_transform_overview_window.h b/ash/common/wm/overview/scoped_transform_overview_window.h
index 6f8a904ae991e249daec6d9c131527cc79fad676..327b7cfcc5a2603550c547ac53bfe2902a918059 100644
--- a/ash/common/wm/overview/scoped_transform_overview_window.h
+++ b/ash/common/wm/overview/scoped_transform_overview_window.h
@@ -89,6 +89,14 @@ class ASH_EXPORT ScopedTransformOverviewWindow {
   // Returns the original target bounds of all transformed windows.
   gfx::Rect GetTargetBoundsInScreen() const;
 
+  // Calculates the |window_| bounds after being transformed to the selector's
+  // space. The returned Rect is in virtual screen coordinates.

[tdanderson, 2016/07/29 20:20:02]

nit: include comment about the purpose of |hide_header|. Also mention that the
returned Rect can be the union of window bounds along the transient ancestor
path

[varkha, 2016/07/29 20:45:12]

Done.

+  gfx::Rect GetTransformedBounds(bool hide_header) const;
+
+  // Returns TOP_VIEW_INSET property of |window_| unless there are transient
+  // ancestors in which case returns 0.
+  int GetTopInset() const;
+
   // Restores and animates the managed window to it's non overview mode state.
   void RestoreWindow();