Browser Plugin: WebContents should notify when it's restored

chrome/browser/ui/gtk/download/download_started_animation_gtk.cc

Index: chrome/browser/ui/gtk/download/download_started_animation_gtk.cc
diff --git a/chrome/browser/ui/gtk/download/download_started_animation_gtk.cc b/chrome/browser/ui/gtk/download/download_started_animation_gtk.cc
index c2781f8d25cdeecb0e9e48c08a42bdac1a9c9642..4a519d58c5b4153cf75871da81bcdde5dfa125a8 100644
--- a/chrome/browser/ui/gtk/download/download_started_animation_gtk.cc
+++ b/chrome/browser/ui/gtk/download/download_started_animation_gtk.cc
@@ -9,6 +9,7 @@
 #include <gtk/gtk.h>
 
 #include "base/message_loop.h"
+#include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/notification_source.h"
@@ -106,7 +107,7 @@ DownloadStartedAnimationGtk::DownloadStartedAnimationGtk(
 
   registrar_.Add(
       this,
-      content::NOTIFICATION_WEB_CONTENTS_HIDDEN,
+      content::NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED,
       content::Source<WebContents>(web_contents_));
   registrar_.Add(
       this,
@@ -162,7 +163,7 @@ void DownloadStartedAnimationGtk::Close() {
 
   registrar_.Remove(
       this,
-      content::NOTIFICATION_WEB_CONTENTS_HIDDEN,
+      content::NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED,
       content::Source<WebContents>(web_contents_));
   registrar_.Remove(
       this,
@@ -196,6 +197,11 @@ void DownloadStartedAnimationGtk::Observe(
     int type,
     const content::NotificationSource& source,
     const content::NotificationDetails& details) {
+  if (type == content::NOTIFICATION_WEB_CONTENTS_VISIBILITY_CHANGED) {
+    bool visible = *content::Details<bool>(details).ptr();
+    if (visible)
+      return;
+  }
   Close();
 }