MacViews: Implement Full Keyboard Access.

chrome/browser/ui/views/profiles/signin_view_controller_delegate_views.cc

 // Copyright 2016 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/profiles/signin_view_controller_delegate_views.h"
 
 #include "base/macros.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_avatar_icon_util.h"
 #include "chrome/browser/signin/signin_promo.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/common/url_constants.h"
 #include "components/constrained_window/constrained_window_views.h"
 #include "components/signin/core/common/profile_management_switches.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/render_widget_host_view.h"
 #include "content/public/browser/web_contents.h"
 #include "ui/gfx/paint_vector_icon.h"
 #include "ui/gfx/vector_icons.h"
 #include "ui/views/controls/webview/webview.h"
 #include "ui/views/layout/fill_layout.h"
+#include "ui/views/style/platform_style.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 
 const int kPasswordCombinedFixedGaiaViewHeight = 440;
 const int kPasswordCombinedFixedGaiaViewWidth = 360;
 const int kFixedGaiaViewHeight = 512;
 const int kFixedGaiaViewWidth = 448;
 const int kNavigationButtonSize = 16;
 const int kNavigationButtonOffset = 16;
 const int kSyncConfirmationDialogWidth = 448;
 const int kSyncConfirmationDialogHeight = 351;
 
 // View that contains the signin web contents and the back/close overlay button.
 class HostView : public views::View {
  public:
   HostView(views::View* contents, views::ButtonListener* button_listener)
       : contents_(contents),
         back_button_(new views::ImageButton(button_listener)) {
     back_button_->SetImageAlignment(views::ImageButton::ALIGN_LEFT,
                                     views::ImageButton::ALIGN_MIDDLE);
-    back_button_->SetFocusable(true);
+    views::PlatformStyle::SetControlStyleFocus(back_button_);
     ShowCloseButton();
     AddChildView(contents_);
     SetLayoutManager(new views::FillLayout);
   }
 
   gfx::Size GetPreferredSize() const override {
     return contents_->GetPreferredSize();
   }
 
   void ShowCloseButton() {
@@ skipping 158 matching lines @@
 SigninViewControllerDelegate*
 SigninViewControllerDelegate::CreateSyncConfirmationDelegate(
     SigninViewController* signin_view_controller,
     Browser* browser) {
   return new SigninViewControllerDelegateViews(
       signin_view_controller,
       SigninViewControllerDelegateViews::CreateSyncConfirmationWebView(
           browser->profile()),
       browser);
 }