Adjust shadow and stroke of MdTextButton.

ui/views/animation/ink_drop_painted_layer_delegates.h

 // Copyright 2015 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_ANIMATION_INK_DROP_PAINTED_LAYER_DELEGATES_H_
 #define UI_VIEWS_ANIMATION_INK_DROP_PAINTED_LAYER_DELEGATES_H_
 
 #include "base/callback.h"
 #include "base/macros.h"
 #include "third_party/skia/include/core/SkColor.h"
@@ skipping 96 matching lines @@
   // The size of the rectangle.
   gfx::Size size_;
 
   // The radius of the corners.
   int corner_radius_;
 
   DISALLOW_COPY_AND_ASSIGN(RoundedRectangleLayerDelegate);
 };
 
 // A BasePaintedLayerDelegate that paints a shadow around the outside of a
-// specified roundrect.
+// specified roundrect, and also fills the round rect.
 class VIEWS_EXPORT BorderShadowLayerDelegate : public BasePaintedLayerDelegate {
  public:
   BorderShadowLayerDelegate(const std::vector<gfx::ShadowValue>& shadows,
                             const gfx::Rect& shadowed_area_bounds,
+                            SkColor fill_color,
                             int corner_radius);
   ~BorderShadowLayerDelegate() override;
 
   // BasePaintedLayerDelegate:
   gfx::Rect GetPaintedBounds() const override;
   gfx::Vector2dF GetCenteringOffset() const override;
   void OnPaintLayer(const ui::PaintContext& context) override;
 
  private:
   gfx::Rect GetTotalRect() const;
 
   const std::vector<gfx::ShadowValue> shadows_;
 
   // The bounds of the shadowed area.
-  gfx::Rect bounds_;
+  const gfx::Rect bounds_;
 
-  int corner_radius_;
+  const SkColor fill_color_;
+
+  const int corner_radius_;
 
   DISALLOW_COPY_AND_ASSIGN(BorderShadowLayerDelegate);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_ANIMATION_INK_DROP_PAINTED_LAYER_DELEGATES_H_