[Password Manager] Close the bubble when fullscreen state gets change.

chrome/browser/ui/views/location_bar/zoom_bubble_view.h

Index: chrome/browser/ui/views/location_bar/zoom_bubble_view.h
diff --git a/chrome/browser/ui/views/location_bar/zoom_bubble_view.h b/chrome/browser/ui/views/location_bar/zoom_bubble_view.h
index 0f1752c44aab0e2eafc93ffc72cbd34d79199496..9c0448809308cf3f222918fc7c213d5aaf55a50e 100644
--- a/chrome/browser/ui/views/location_bar/zoom_bubble_view.h
+++ b/chrome/browser/ui/views/location_bar/zoom_bubble_view.h
@@ -9,6 +9,7 @@
 #include "base/gtest_prod_util.h"
 #include "base/timer/timer.h"
 #include "chrome/browser/ui/views/frame/immersive_mode_controller.h"
+#include "chrome/browser/ui/views/managed_full_screen_bubble_delegate_view.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "extensions/browser/extension_icon_image.h"
@@ -29,9 +30,8 @@ class ImageButton;
 }  // namespace views
 
 // View used to display the zoom percentage when it has changed.
-class ZoomBubbleView : public views::BubbleDelegateView,
+class ZoomBubbleView : public ManagedFullScreenBubbleDelegateView,
                        public views::ButtonListener,
-                       public content::NotificationObserver,
                        public ImmersiveModeController::Observer,
                        public extensions::IconImage::Observer {
  public:
@@ -89,7 +89,8 @@ class ZoomBubbleView : public views::BubbleDelegateView,
   // resetting the timer if necessary.
   void Refresh();
 
-  void Close();
+  // ManagedFullScreenBubbleDelegateView:
+  void Close() override;
 
   // Sets information about the extension that initiated the zoom change.
   // Calling this method asserts that the extension |extension| did initiate
@@ -119,11 +120,6 @@ class ZoomBubbleView : public views::BubbleDelegateView,
   void Init() override;
   void WindowClosing() override;
 
-  // content::NotificationObserver method.
-  void Observe(int type,
-               const content::NotificationSource& source,
-               const content::NotificationDetails& details) override;
-
   // ImmersiveModeController::Observer methods.
   void OnImmersiveRevealStarted() override;
   void OnImmersiveModeControllerDestroyed() override;
@@ -157,9 +153,6 @@ class ZoomBubbleView : public views::BubbleDelegateView,
   // Not owned.
   ImmersiveModeController* immersive_mode_controller_;
 
-  // Used to register for fullscreen change notifications.
-  content::NotificationRegistrar registrar_;
-
   DISALLOW_COPY_AND_ASSIGN(ZoomBubbleView);
 };