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

chrome/browser/ui/views/sync/profile_signin_confirmation_dialog_views.cc

 // Copyright 2013 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 "chrome/browser/ui/views/sync/profile_signin_confirmation_dialog_views.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_navigator.h"
 #include "chrome/browser/ui/browser_navigator_params.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/views/profiles/profile_chooser_view.h"
 #include "chrome/grit/chromium_strings.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/constrained_window/constrained_window_views.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "content/public/browser/web_contents.h"
 #include "google_apis/gaia/gaia_auth_util.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/base/l10n/l10n_util.h"
 #include "ui/gfx/font.h"
 #include "ui/gfx/native_widget_types.h"
 #include "ui/gfx/range/range.h"
 #include "ui/views/background.h"
 #include "ui/views/border.h"
+#include "ui/views/controls/button/md_text_button.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/controls/styled_label.h"
 #include "ui/views/layout/box_layout.h"
 #include "ui/views/layout/grid_layout.h"
 #include "ui/views/layout/layout_constants.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/window/dialog_client_view.h"
 
 ProfileSigninConfirmationDialogViews::ProfileSigninConfirmationDialogViews(
     Browser* browser,
     const std::string& username,
     ui::ProfileSigninConfirmationDelegate* delegate)
     : browser_(browser),
       username_(username),
       delegate_(delegate),
-      prompt_for_new_profile_(true),
-      continue_signin_button_(NULL) {
-}
+      prompt_for_new_profile_(true) {}
 
 ProfileSigninConfirmationDialogViews::~ProfileSigninConfirmationDialogViews() {}
 
 // static
 void ProfileSigninConfirmationDialogViews::ShowDialog(
     Browser* browser,
     Profile* profile,
     const std::string& username,
     ui::ProfileSigninConfirmationDelegate* delegate) {
   // Hides the new avatar bubble if it is currently shown. The new avatar bubble
@@ skipping 38 matching lines @@
             IDS_ENTERPRISE_SIGNIN_CONTINUE_NEW_STYLE);
   }
   return l10n_util::GetStringUTF16(IDS_ENTERPRISE_SIGNIN_CANCEL);
 }
 
 int ProfileSigninConfirmationDialogViews::GetDefaultDialogButton() const {
   return ui::DIALOG_BUTTON_NONE;
 }
 
 views::View* ProfileSigninConfirmationDialogViews::CreateExtraView() {
-  if (prompt_for_new_profile_) {
-    const base::string16 continue_signin_text =
-        l10n_util::GetStringUTF16(IDS_ENTERPRISE_SIGNIN_CONTINUE_NEW_STYLE);
-    continue_signin_button_ =
-        new views::LabelButton(this, continue_signin_text);
-    continue_signin_button_->SetStyle(views::Button::STYLE_BUTTON);
-  }
-  return continue_signin_button_;
+  if (!prompt_for_new_profile_)
+    return nullptr;
+
+  const base::string16 continue_signin_text =
+      l10n_util::GetStringUTF16(IDS_ENTERPRISE_SIGNIN_CONTINUE_NEW_STYLE);
+  return views::MdTextButton::CreateSecondaryUiButton(this,
+                                                      continue_signin_text);
 }
 
 bool ProfileSigninConfirmationDialogViews::Accept() {
   if (delegate_) {
     if (prompt_for_new_profile_)
       delegate_->OnSigninWithNewProfile();
     else
       delegate_->OnContinueSignin();
     delegate_ = NULL;
   }
@@ skipping 51 matching lines @@
   // Create the explanation label.
   std::vector<size_t> offsets;
   const base::string16 learn_more_text =
       l10n_util::GetStringUTF16(
           IDS_ENTERPRISE_SIGNIN_PROFILE_LINK_LEARN_MORE);
   const base::string16 signin_explanation_text =
       l10n_util::GetStringFUTF16(prompt_for_new_profile_ ?
           IDS_ENTERPRISE_SIGNIN_EXPLANATION_WITH_PROFILE_CREATION_NEW_STYLE :
           IDS_ENTERPRISE_SIGNIN_EXPLANATION_WITHOUT_PROFILE_CREATION_NEW_STYLE,
           username, learn_more_text, &offsets);
-  explanation_label_ = new views::StyledLabel(signin_explanation_text, this);
-  explanation_label_->AddStyleRange(
+  views::StyledLabel* explanation_label =
+      new views::StyledLabel(signin_explanation_text, this);
+  explanation_label->AddStyleRange(
       gfx::Range(offsets[1], offsets[1] + learn_more_text.size()),
       views::StyledLabel::RangeStyleInfo::CreateForLink());
 
   // Layout the components.
   views::GridLayout* dialog_layout = new views::GridLayout(this);
   SetLayoutManager(dialog_layout);
 
   // Use GridLayout inside the prompt bar because StyledLabel requires it.
   views::GridLayout* prompt_layout = views::GridLayout::CreatePanel(prompt_bar);
   prompt_bar->SetLayoutManager(prompt_layout);
@@ skipping 14 matching lines @@
   // Use a new column set for the explanation label so we can add padding.
   dialog_layout->AddPaddingRow(0.0, views::kPanelVertMargin);
   views::ColumnSet* explanation_columns = dialog_layout->AddColumnSet(1);
   explanation_columns->AddPaddingColumn(0.0, views::kButtonHEdgeMarginNew);
   explanation_columns->AddColumn(
       views::GridLayout::FILL, views::GridLayout::FILL, 100,
       views::GridLayout::USE_PREF, 0, 0);
   explanation_columns->AddPaddingColumn(0.0, views::kButtonHEdgeMarginNew);
   dialog_layout->StartRow(0, 1);
   const int kPreferredWidth = 440;
-  dialog_layout->AddView(
-      explanation_label_, 1, 1,
-      views::GridLayout::FILL, views::GridLayout::FILL,
-      kPreferredWidth, explanation_label_->GetHeightForWidth(kPreferredWidth));
+  dialog_layout->AddView(explanation_label, 1, 1, views::GridLayout::FILL,
+                         views::GridLayout::FILL, kPreferredWidth,
+                         explanation_label->GetHeightForWidth(kPreferredWidth));
 }
 
 void ProfileSigninConfirmationDialogViews::WindowClosing() {
   Cancel();
 }
 
 void ProfileSigninConfirmationDialogViews::StyledLabelLinkClicked(
     views::StyledLabel* label,
     const gfx::Range& range,
     int event_flags) {
   chrome::NavigateParams params(
       browser_,
       GURL("https://support.google.com/chromebook/answer/1331549"),
       ui::PAGE_TRANSITION_LINK);
   params.disposition = NEW_POPUP;
   params.window_action = chrome::NavigateParams::SHOW_WINDOW;
   chrome::Navigate(&params);
 }
 
 void ProfileSigninConfirmationDialogViews::ButtonPressed(
     views::Button* sender,
     const ui::Event& event) {
   DCHECK(prompt_for_new_profile_);
-  DCHECK_EQ(continue_signin_button_, sender);
   if (delegate_) {
     delegate_->OnContinueSignin();
     delegate_ = NULL;
   }
   GetWidget()->Close();
 }