[MD] replace infobar bottom solid line separator with a shadow.

ui/views/view.h

 // 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.
 
 #ifndef UI_VIEWS_VIEW_H_
 #define UI_VIEWS_VIEW_H_
 
 #include <stddef.h>
 
 #include <algorithm>
@@ skipping 215 matching lines @@
   const gfx::Size& size() const { return bounds_.size(); }
 
   // Returns the bounds of the content area of the view, i.e. the rectangle
   // enclosed by the view's border.
   gfx::Rect GetContentsBounds() const;
 
   // Returns the bounds of the view in its own coordinates (i.e. position is
   // 0, 0).
   gfx::Rect GetLocalBounds() const;
 
-  // Returns the bounds of the layer in its own pixel coordinates.
-  gfx::Rect GetLayerBoundsInPixel() const;

[Evan Stade, 2016/03/16 00:54:01]

unrelated to this CL; unused

-
   // Returns the insets of the current border. If there is no border an empty
   // insets is returned.
   virtual gfx::Insets GetInsets() const;
 
   // Returns the visible bounds of the receiver in the receivers coordinate
   // system.
   //
   // When traversing the View hierarchy in order to compute the bounds, the
   // function takes into account the mirroring setting and transformation for
   // each View and therefore it will return the mirrored and transformed version
@@ skipping 1321 matching lines @@
   // Belongs to this view, but it's reference-counted on some platforms
   // so we can't use a scoped_ptr. It's dereferenced in the destructor.
   NativeViewAccessibility* native_view_accessibility_;
 
   DISALLOW_COPY_AND_ASSIGN(View);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_VIEW_H_