Clears focus on gesture event.

athena/home/home_card_impl.cc

Index: athena/home/home_card_impl.cc
diff --git a/athena/home/home_card_impl.cc b/athena/home/home_card_impl.cc
index bd481f83ac0a03a1e3b37851ffd57ac4b2396ec0..0066cf3d3be8e000d6fe2972df30c5e20fa8b190 100644
--- a/athena/home/home_card_impl.cc
+++ b/athena/home/home_card_impl.cc
@@ -156,6 +156,11 @@ class HomeCardView : public views::WidgetDelegateView {
   void SetStateProgress(HomeCard::State from_state,
                         HomeCard::State to_state,
                         float progress) {
+    // TODO(mukai): not clear the focus, but simply close the virtual keyboard.
+    if (from_state != HomeCard::VISIBLE_CENTERED ||
+        to_state != HomeCard::VISIBLE_CENTERED) {
+      GetFocusManager()->ClearFocus();
+    }
     if (from_state == HomeCard::VISIBLE_CENTERED)
       main_view_->SetLayoutState(1.0f - progress);
     else if (to_state == HomeCard::VISIBLE_CENTERED)
@@ -178,6 +183,11 @@ class HomeCardView : public views::WidgetDelegateView {
   }
 
   void SetStateWithAnimation(HomeCard::State state) {
+    if (state == HomeCard::VISIBLE_CENTERED)
+      main_view_->RequestFocusOnSearchBox();
+    else
+      GetWidget()->GetFocusManager()->ClearFocus();
+
     if (state == HomeCard::VISIBLE_MINIMIZED)
       return;