Fix the absence of padding on some UI 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 "base/memory/ptr_util.h"
 #include "ui/base/material_design/material_design_controller.h"
 #include "ui/gfx/canvas.h"
@@ skipping 176 matching lines @@
 
 MdTextButton::MdTextButton(ButtonListener* listener)
     : LabelButton(listener, base::string16()),
       is_prominent_(false) {
   SetInkDropMode(PlatformStyle::kUseRipples ? InkDropMode::ON
                                             : InkDropMode::OFF);
   set_has_ink_drop_action_on_click(true);
   SetHorizontalAlignment(gfx::ALIGN_CENTER);
   SetFocusForPlatform();
   const int minimum_width =
-      ViewsDelegate::GetInstance()->GetDialogButtonMinimumWidth();
+      ViewsDelegate::GetInstance()->GetButtonMinimumWidth();
   SetMinSize(gfx::Size(minimum_width, 0));
   SetFocusPainter(nullptr);
   label()->SetAutoColorReadabilityEnabled(false);
   set_request_focus_on_press(false);
   LabelButton::SetFontList(GetMdFontList());
 
   set_animate_on_state_change(true);
 
   // Paint to a layer so that the canvas is snapped to pixel boundaries (useful
   // for fractional DSF).
@@ skipping 90 matching lines @@
         stroke_color, gfx::kDisabledControlAlpha);
   }
 
   DCHECK_EQ(SK_AlphaOPAQUE, static_cast<int>(SkColorGetA(bg_color)));
   set_background(Background::CreateBackgroundPainter(
       Painter::CreateRoundRectWith1PxBorderPainter(bg_color, stroke_color,
                                                    kInkDropSmallCornerRadius)));
 }
 
 }  // namespace views