Fixes positioning of shadow layer

ui/wm/core/shadow.cc

Index: ui/wm/core/shadow.cc
diff --git a/ui/wm/core/shadow.cc b/ui/wm/core/shadow.cc
index 26ebde6ee3335b2b3bfa4756317c07c69d342543..78853435c6cc81720b66c08c0bf0c2268b8b885b 100644
--- a/ui/wm/core/shadow.cc
+++ b/ui/wm/core/shadow.cc
@@ -195,13 +195,12 @@ void Shadow::UpdateLayerBounds() {
       gfx::Rect(aperture_x, aperture_y, aperture_x * 2, aperture_y * 2));
 
   // The content bounds in the shadow's layer space are offsetted by
-  // |interior_inset_|. The occlusion area also has to be shrinked to
-  // allow rounded corners overdrawing on top of the window's content.
-  gfx::Rect content_bounds(
-      content_bounds_.x() + interior_inset_ + kRoundedCornerRadius,
-      content_bounds_.y() + interior_inset_ + kRoundedCornerRadius,
-      content_bounds_.width() - 2 * kRoundedCornerRadius,
-      content_bounds_.height() - 2 * kRoundedCornerRadius);
+  // |interior_inset_|. The occlusion area also has to be shrunk to allow
+  // rounded corners overdrawing on top of the window's content.
+  gfx::Rect content_bounds(interior_inset_ + kRoundedCornerRadius,
+                           interior_inset_ + kRoundedCornerRadius,
+                           content_bounds_.width() - 2 * kRoundedCornerRadius,
+                           content_bounds_.height() - 2 * kRoundedCornerRadius);
   shadow_layer_->UpdateNinePatchOcclusion(content_bounds);
 }