Allow a View to specify a non-default native theme (i.e. different from

chrome/browser/ui/views/infobars/confirm_infobar.cc

 // Copyright (c) 2012 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/infobars/confirm_infobar.h"
 
 #include <utility>
 
 #include "base/logging.h"
 #include "base/memory/ptr_util.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/ui/views/elevation_icon_setter.h"
 #include "components/infobars/core/confirm_infobar_delegate.h"
 #include "ui/base/material_design/material_design_controller.h"
 #include "ui/base/window_open_disposition.h"
+#include "ui/native_theme/native_theme.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/controls/button/md_text_button.h"
 #include "ui/views/controls/label.h"
 #include "ui/views/controls/link.h"
 
 // InfoBarService -------------------------------------------------------------
 
 std::unique_ptr<infobars::InfoBar> InfoBarService::CreateConfirmInfoBar(
     std::unique_ptr<ConfirmInfoBarDelegate> delegate) {
   return base::MakeUnique<ConfirmInfoBar>(std::move(delegate));
 }
 
 
 // ConfirmInfoBar -------------------------------------------------------------
 
 ConfirmInfoBar::ConfirmInfoBar(std::unique_ptr<ConfirmInfoBarDelegate> delegate)
     : InfoBarView(std::move(delegate)),
       label_(nullptr),
       ok_button_(nullptr),
       cancel_button_(nullptr),
-      link_(nullptr) {}
+      link_(nullptr) {
+  // Always use the standard theme for the platform on infobars (infobars in
+  // incognito should have the same appearance as normal infobars).
+  SetNativeTheme(ui::NativeTheme::GetInstanceForNativeUi());
+}
 
 ConfirmInfoBar::~ConfirmInfoBar() {
   // Ensure |elevation_icon_setter_| is destroyed before |ok_button_|.
   elevation_icon_setter_.reset();
 }
 
 void ConfirmInfoBar::Layout() {
   InfoBarView::Layout();
 
   int x = StartX();
@@ skipping 37 matching lines @@
       ok_button_->SizeToPreferredSize();
     }
 
     if (delegate->GetButtons() & ConfirmInfoBarDelegate::BUTTON_CANCEL) {
       cancel_button_ = views::MdTextButton::Create(
           this,
           delegate->GetButtonLabel(ConfirmInfoBarDelegate::BUTTON_CANCEL));
       if (delegate->GetButtons() == ConfirmInfoBarDelegate::BUTTON_CANCEL) {
         // Apply prominent styling only if the cancel button is the only button.
         cancel_button_->SetProminent(true);
-      } else {
-        // Otherwise set the bg color to white and the text color to black.
-        // TODO(estade): These should be removed and moved into the native
-        // theme. Also, infobars should always use the normal (non-incognito)
-        // native theme.
-        cancel_button_->SetBgColorOverride(SK_ColorWHITE);
-        cancel_button_->SetEnabledTextColors(kTextColor);
       }
       AddViewToContentArea(cancel_button_);
       cancel_button_->SizeToPreferredSize();
     }
 
     base::string16 link_text(delegate->GetLinkText());
     link_ = CreateLink(link_text, this);
     AddViewToContentArea(link_);
   }
 
@@ skipping 36 matching lines @@
 }
 
 int ConfirmInfoBar::NonLabelWidth() const {
   int width = (label_->text().empty() || (!ok_button_ && !cancel_button_)) ?
       0 : kEndOfLabelSpacing;
   if (ok_button_)
     width += ok_button_->width() + (cancel_button_ ? kButtonButtonSpacing : 0);
   width += cancel_button_ ? cancel_button_->width() : 0;
   return width + ((link_->text().empty() || !width) ? 0 : kEndOfLabelSpacing);
 }