[MD] Eliminate as many SetStyle(STYLE_BUTTON) calls as possible.

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/color_utils.h"
 #include "ui/native_theme/native_theme.h"
 #include "ui/views/background.h"
 #include "ui/views/border.h"
+#include "ui/views/controls/button/blue_button.h"
 #include "ui/views/painter.h"
 
 namespace views {
 
 namespace {
 
 // Inset between clickable region border and button contents (text).
 const int kHorizontalPadding = 12;
 const int kVerticalPadding = 6;
 
@@ skipping 21 matching lines @@
 }
 
 // static
 LabelButton* MdTextButton::CreateSecondaryUiButton(ButtonListener* listener,
                                                    const base::string16& text) {
   return CreateButton(listener, text,
                       ui::MaterialDesignController::IsSecondaryUiMaterial());
 }
 
 // static
+LabelButton* MdTextButton::CreateSecondaryUiBlueButton(
+    ButtonListener* listener,
+    const base::string16& text) {
+  if (ui::MaterialDesignController::IsSecondaryUiMaterial()) {
+    MdTextButton* md_button = MdTextButton::CreateMdButton(listener, text);
+    md_button->SetCallToAction(MdTextButton::STRONG_CALL_TO_ACTION);
+    return md_button;
+  }
+
+  return new BlueButton(listener, text);
+}
+
+// static
 MdTextButton* MdTextButton::CreateMdButton(ButtonListener* listener,
                                            const base::string16& text) {
   MdTextButton* button = new MdTextButton(listener);
   button->SetText(text);
   // TODO(estade): can we get rid of the platform style border hoopla if
   // we apply the MD treatment to all buttons, even GTK buttons?
   button->SetBorder(
       Border::CreateEmptyBorder(kVerticalPadding, kHorizontalPadding,
                                 kVerticalPadding, kHorizontalPadding));
+  ConfigureDefaultFocus(button);
   return button;
 }
 
 void MdTextButton::SetCallToAction(CallToAction cta) {
   if (cta_ == cta)
     return;
 
   cta_ = cta;
   UpdateColorsFromNativeTheme();
 }
@@ skipping 61 matching lines @@
       cta_ == STRONG_CALL_TO_ACTION
           ? Background::CreateBackgroundPainter(
                 true, Painter::CreateSolidRoundRectPainter(
                           theme->GetSystemColor(
                               ui::NativeTheme::kColorId_CallToActionColor),
                           kInkDropSmallCornerRadius))
           : nullptr);
 }
 
 }  // namespace views