MacViews: Implement Full Keyboard Access.

ui/views/window/dialog_client_view.cc

Index: ui/views/window/dialog_client_view.cc
diff --git a/ui/views/window/dialog_client_view.cc b/ui/views/window/dialog_client_view.cc
index 569944542f94a7623b6c4c9f96f84cc393728a72..d0300fa6a3bbda75a4e6cb2fec03385420b09a8b 100644
--- a/ui/views/window/dialog_client_view.cc
+++ b/ui/views/window/dialog_client_view.cc
@@ -12,6 +12,7 @@
 #include "ui/views/controls/button/blue_button.h"
 #include "ui/views/controls/button/label_button.h"
 #include "ui/views/layout/layout_constants.h"
+#include "ui/views/style/platform_style.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/window/dialog_delegate.h"
 
@@ -343,8 +344,8 @@ LabelButton* DialogClientView::CreateDialogButton(ui::DialogButton type) {
     button = new LabelButton(this, title);
     button->SetStyle(Button::STYLE_BUTTON);
   }
-  button->SetFocusable(true);
 
+  PlatformStyle::SetControlStyleFocus(button);
   const int kDialogMinButtonWidth = 75;
   button->SetMinSize(gfx::Size(kDialogMinButtonWidth, 0));
   button->SetGroup(kButtonGroup);