Give ProfileChooserView signin button focus.

chrome/browser/ui/views/profiles/profile_chooser_view.h

 // Copyright 2014 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.
 
 #ifndef CHROME_BROWSER_UI_VIEWS_PROFILES_PROFILE_CHOOSER_VIEW_H_
 #define CHROME_BROWSER_UI_VIEWS_PROFILES_PROFILE_CHOOSER_VIEW_H_
 
 #include <map>
 #include <vector>
 
@@ skipping 78 matching lines @@
   ~ProfileChooserView() override;
 
   // views::BubbleDelegateView:
   void Init() override;
   void WindowClosing() override;
   bool AcceleratorPressed(const ui::Accelerator& accelerator) override;
 
   // content::WebContentsDelegate:
   bool HandleContextMenu(const content::ContextMenuParams& params) override;
 
+  // views::WidgetDelegate:
+  views::View* GetInitiallyFocusedView() override;

[msw, 2015/07/13 21:37:30]

nit: merge this with the BubbleDelegateView overrides (or feel free to split
those by their constituent subclasses)

[wjmaclean, 2015/07/14 12:26:18]

Done.

+
   // views::ButtonListener:
   void ButtonPressed(views::Button* sender, const ui::Event& event) override;
 
   // views::LinkListener:
   void LinkClicked(views::Link* sender, int event_flags) override;
 
   // views::StyledLabelListener:
   void StyledLabelLinkClicked(const gfx::Range& range,
                               int event_flags) override;
 
@@ skipping 104 matching lines @@
   // the same person as the currently signed in user.
   views::View* CreateSwitchUserView();
 
   bool ShouldShowGoIncognito() const;
 
   // Clean-up done after an action was performed in the ProfileChooser.
   void PostActionPerformed(ProfileMetrics::ProfileDesktopMenu action_performed);
 
   scoped_ptr<AvatarMenu> avatar_menu_;
   Browser* browser_;
+  views::View* initially_focused_view_;
 
   // Other profiles used in the "fast profile switcher" view.
   ButtonIndexes open_other_profile_indexes_map_;
 
   // Buttons associated with the current profile.
   AccountButtonIndexes delete_account_button_map_;
   AccountButtonIndexes reauth_account_button_map_;
 
   // Links and buttons displayed in the tutorial card.
   views::LabelButton* tutorial_sync_settings_ok_button_;
@@ skipping 40 matching lines @@
   // The current tutorial mode.
   profiles::TutorialMode tutorial_mode_;
 
   // The GAIA service type provided in the response header.
   signin::GAIAServiceType gaia_service_type_;
 
   DISALLOW_COPY_AND_ASSIGN(ProfileChooserView);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_PROFILES_PROFILE_CHOOSER_VIEW_H_