Fixes positioning of shadow layer

ui/wm/core/shadow.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/wm/core/shadow.h"
 
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/compositor/layer.h"
 #include "ui/compositor/scoped_layer_animation_settings.h"
@@ skipping 177 matching lines @@
   int aperture_y = std::min(aperture, layer_bounds.height() / 2);
   gfx::Rect aperture_rect(aperture_x, aperture_y,
                           image_size_.width() - aperture_x * 2,
                           image_size_.height() - aperture_y * 2);
 
   shadow_layer_->UpdateNinePatchLayerAperture(aperture_rect);
   shadow_layer_->UpdateNinePatchLayerBorder(
       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);
 }
 
 }  // namespace wm