Hide notifications popups when entering fullscreen mode.

chrome/browser/notifications/message_center_notifications_browsertest.cc

Index: chrome/browser/notifications/message_center_notifications_browsertest.cc
diff --git a/chrome/browser/notifications/message_center_notifications_browsertest.cc b/chrome/browser/notifications/message_center_notifications_browsertest.cc
index 28b47289c4eb95e19fe8df279c1e699b924a55d0..03f80124bc3523fcd72af37f57abc78baf7509eb 100644
--- a/chrome/browser/notifications/message_center_notifications_browsertest.cc
+++ b/chrome/browser/notifications/message_center_notifications_browsertest.cc
@@ -10,6 +10,7 @@
 #include "base/strings/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
+#include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/notifications/message_center_notification_manager.h"
 #include "chrome/browser/notifications/notification.h"
 #include "chrome/browser/notifications/notification_ui_manager.h"
@@ -17,6 +18,9 @@
 #include "chrome/browser/ui/browser.h"
 #include "chrome/test/base/in_process_browser_test.h"
 #include "chrome/test/base/test_switches.h"
+#include "content/public/browser/notification_details.h"
+#include "content/public/browser/notification_observer.h"
+#include "content/public/browser/notification_source.h"
 #include "ui/message_center/message_center.h"
 #include "ui/message_center/message_center_switches.h"
 #include "ui/message_center/message_center_util.h"
@@ -405,4 +409,29 @@ IN_PROC_BROWSER_TEST_F(MessageCenterNotificationsTest,
   delegate->Release();
 }
 
+#if !defined(OS_CHROMEOS) && defined(RUN_MESSAGE_CENTER_TESTS)
+#define MAYBE_HideWhenFullscreenEnabled HideWhenFullscreenEnabled
+#else
+#define MAYBE_HideWhenFullscreenEnabled DISABLED_HideWhenFullscreenEnabled
+#endif
+
+IN_PROC_BROWSER_TEST_F(MessageCenterNotificationsTest,
+                       MAYBE_HideWhenFullscreenEnabled) {
+  EXPECT_TRUE(NotificationUIManager::DelegatesToMessageCenter());
+
+  TestDelegate* delegate;
+  manager()->Add(CreateTestNotification("n", &delegate), profile());
+
+  EXPECT_EQ("Display_", delegate->log());
+  EXPECT_TRUE(message_center()->HasPopupNotifications());
+  bool is_fullscreen = true;
+  // Cast so that Observe() is public.
+  content::NotificationObserver* observer =
+      static_cast<content::NotificationObserver*>(manager());
+  observer->Observe(chrome::NOTIFICATION_FULLSCREEN_CHANGED,
+                    content::Source<Profile>(profile()),
+                    content::Details<bool>(&is_fullscreen));
+  EXPECT_FALSE(message_center()->HasPopupNotifications());
+}
+
 #endif  // !defined(OS_MACOSX)