aura: Take transformation into account when computing window bounds in root-window/screen.

ui/aura/window.h

Index: ui/aura/window.h
diff --git a/ui/aura/window.h b/ui/aura/window.h
index 6b239a0f53f3e572cfb16ca5aba522a1ca025f34..3477776b524c5c481c09a01eea28efd4c5d11bae 100644
--- a/ui/aura/window.h
+++ b/ui/aura/window.h
@@ -147,10 +147,12 @@ class AURA_EXPORT Window : public ui::LayerDelegate,
   // whether Show() without a Hide() has been invoked.
   bool TargetVisibility() const { return visible_; }
 
-  // Returns the window's bounds in root window's coordinates.
+  // Returns the window's bounds in root window's coordinates. Note that it
+  // takes transforms into account when computing the bounds.
   gfx::Rect GetBoundsInRootWindow() const;
 
-  // Returns the window's bounds in screen coordinates.
+  // Returns the window's bounds in screen coordinates. Note that it
+  // takes transforms into account when computing the bounds.
   // How the root window's coordinates is mapped to screen's coordinates
   // is platform dependent and defined in the implementation of the
   // |aura::client::ScreenPositionClient| interface.