Fix MD button hover shadow effect on odd-sized buttons.

ui/views/controls/button/md_text_button.cc

 // 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.
 
 #include "ui/views/controls/button/md_text_button.h"
 
 #include "base/i18n/case_conversion.h"
 #include "ui/base/material_design/material_design_controller.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/color_utils.h"
@@ skipping 171 matching lines @@
   // The call to action hover effect is a shadow.
   const int kYOffset = 2;
   const int kSkiaBlurRadius = 2;
   std::vector<gfx::ShadowValue> shadows;
   // The notion of blur that gfx::ShadowValue uses is twice the skia value,
   // which is a number of pixels outside of the shadowed area.
   shadows.push_back(gfx::ShadowValue(gfx::Vector2d(0, kYOffset),
                                      2 * kSkiaBlurRadius,
                                      SkColorSetA(SK_ColorBLACK, 0x3D)));
   return base::WrapUnique(new InkDropHighlight(
-      GetLocalBounds().CenterPoint(),
+      gfx::RectF(GetLocalBounds()).CenterPoint(),
       base::WrapUnique(new BorderShadowLayerDelegate(
           shadows, GetLocalBounds(), kInkDropSmallCornerRadius))));
 }
 
 bool MdTextButton::ShouldShowInkDropForFocus() const {
   // These types of button use |focus_ring_|.
   return false;
 }
 
 void MdTextButton::SetEnabledTextColors(SkColor color) {
@@ skipping 68 matching lines @@
   SkColor stroke_color = (is_cta_ || color_utils::IsDark(text_color))
                              ? SkColorSetA(SK_ColorBLACK, kStrokeOpacity)
                              : SkColorSetA(SK_ColorWHITE, 2 * kStrokeOpacity);
 
   set_background(Background::CreateBackgroundPainter(
       true, Painter::CreateRoundRectWith1PxBorderPainter(
                 bg_color, stroke_color, kInkDropSmallCornerRadius)));
 }
 
 }  // namespace views