MacViews: Implement Full Keyboard Access.

ash/system/date/date_view.cc

Index: ash/system/date/date_view.cc
diff --git a/ash/system/date/date_view.cc b/ash/system/date/date_view.cc
index 7a96d9c0c0469fe28d82326ab90f319fbdcecc14..ea44909268938ccb90daa930dd2d90fcb41d57e2 100644
--- a/ash/system/date/date_view.cc
+++ b/ash/system/date/date_view.cc
@@ -138,7 +138,7 @@ DateView::DateView()
   date_label_->SetEnabledColor(kHeaderTextColorNormal);
   UpdateTextInternal(base::Time::Now());
   AddChildView(date_label_);
-  SetFocusable(false);
+  SetFocusBehavior(views::View::FocusBehavior::NEVER);
 }
 
 DateView::~DateView() {
@@ -154,7 +154,8 @@ void DateView::SetAction(TrayDate::DateAction action) {
     SchedulePaint();
   }
   action_ = action;
-  SetFocusable(action_ != TrayDate::NONE);
+  SetFocusBehavior(action_ != TrayDate::NONE ? FocusBehavior::ALWAYS
+                                             : FocusBehavior::NEVER);
 }
 
 void DateView::UpdateTimeFormat() {
@@ -226,7 +227,7 @@ TimeView::TimeView(TrayDate::ClockLayout clock_layout)
   SetupLabels();
   UpdateTextInternal(base::Time::Now());
   UpdateClockLayout(clock_layout);
-  SetFocusable(false);
+  SetFocusBehavior(views::View::FocusBehavior::NEVER);
 }
 
 TimeView::~TimeView() {