Enable keyboard navigation for Desktopcapture window selection dialog

chrome/browser/ui/views/desktop_media_picker_views.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_DESKTOP_MEDIA_PICKER_VIEWS_H_
 #define CHROME_BROWSER_UI_VIEWS_DESKTOP_MEDIA_PICKER_VIEWS_H_
 
 #include "chrome/browser/media/desktop_media_list_observer.h"
 #include "chrome/browser/media/desktop_media_picker.h"
 #include "ui/views/window/dialog_delegate.h"
@@ skipping 100 matching lines @@
 class DesktopMediaPickerDialogView : public views::DialogDelegateView {
  public:
   DesktopMediaPickerDialogView(content::WebContents* parent_web_contents,
                                gfx::NativeWindow context,
                                DesktopMediaPickerViews* parent,
                                const base::string16& app_name,
                                const base::string16& target_name,
                                scoped_ptr<DesktopMediaList> media_list);
   ~DesktopMediaPickerDialogView() override;
 
+  views::View* GetInitiallyFocusedView() override;

[Peter Kasting, 2015/09/23 22:43:57]

This should be in the list of DialogDelegateView overrides below, ordered the
same as these functions are ordered in the base DialogDelegateView declaration.

Keep the definition in the .cc file in this order as well.

[gyzhou, 2015/09/23 23:43:40]

This is an override for DialogDelegate

Done.

+
   // Called by parent (DesktopMediaPickerViews) when it's destroyed.
   void DetachParent();
 
   // Called by DesktopMediaListView.
   void OnSelectionChanged();
   void OnDoubleClick();
 
   // views::View overrides.
   gfx::Size GetPreferredSize() const override;
   void Layout() override;
@@ skipping 47 matching lines @@
 
   // The |dialog_| is owned by the corresponding views::Widget instance.
   // When DesktopMediaPickerViews is destroyed the |dialog_| is destroyed
   // asynchronously by closing the widget.
   DesktopMediaPickerDialogView* dialog_;
 
   DISALLOW_COPY_AND_ASSIGN(DesktopMediaPickerViews);
 };
 
 #endif  // CHROME_BROWSER_UI_VIEWS_DESKTOP_MEDIA_PICKER_VIEWS_H_