Invokes SchedulePaint when animation ended to repaint the background.

ui/app_list/views/app_list_view.cc

Index: ui/app_list/views/app_list_view.cc
diff --git a/ui/app_list/views/app_list_view.cc b/ui/app_list/views/app_list_view.cc
index aeb8e36378d4bc7dcf2f4e1e2c3596bc7779aa81..32285a1fc6fcc63a9be876c2fb8fb1253b3994d0 100644
--- a/ui/app_list/views/app_list_view.cc
+++ b/ui/app_list/views/app_list_view.cc
@@ -87,7 +87,9 @@ bool SupportsShadow() {
 // An animation observer to hide the view at the end of the animation.
 class HideViewAnimationObserver : public ui::ImplicitAnimationObserver {
  public:
-  HideViewAnimationObserver() : target_(NULL) {
+  HideViewAnimationObserver(views::View* parent)
+      : parent_(parent),
+        target_(NULL) {
   }
 
   virtual ~HideViewAnimationObserver() {
@@ -107,9 +109,13 @@ class HideViewAnimationObserver : public ui::ImplicitAnimationObserver {
     if (target_) {
       target_->SetVisible(false);
       target_ = NULL;
+
+      // Should update the background by invoking SchedulePaint().
+      parent_->SchedulePaint();

[xiyuan, 2014/01/15 01:22:05]

Think we should use app_list_view_->GetBubbleFrameView()->SchedulePaint()
because the AppListBubbleBackground is part of the frame view instead of
AppListView.

[Jun Mukai, 2014/01/15 02:03:44]

Done.

     }
   }
 
+  views::View* parent_;
   views::View* target_;
 
   DISALLOW_COPY_AND_ASSIGN(HideViewAnimationObserver);
@@ -123,7 +129,7 @@ AppListView::AppListView(AppListViewDelegate* delegate)
       app_list_main_view_(NULL),
       signin_view_(NULL),
       speech_view_(NULL),
-      animation_observer_(new HideViewAnimationObserver()) {
+      animation_observer_(new HideViewAnimationObserver(this)) {
   CHECK(delegate);
 
   delegate_->AddObserver(this);
@@ -477,10 +483,10 @@ void AppListView::OnSpeechRecognitionStateChanged(
 #else
   speech_view_->SetVisible(recognizing);
   app_list_main_view_->SetVisible(!recognizing);
-#endif
 
   // Needs to schedule paint of AppListView itself, to repaint the background.
   SchedulePaint();

[xiyuan, 2014/01/15 01:22:05]

Let's use GetBubbleFrameView()->SchedulePaint() instead.

[Jun Mukai, 2014/01/15 02:03:44]

Done.

+#endif
 }
 
 }  // namespace app_list