Reset bg page badge when wrench menu closes.

chrome/browser/ui/cocoa/wrench_menu_controller.mm

Index: chrome/browser/ui/cocoa/wrench_menu_controller.mm
diff --git a/chrome/browser/ui/cocoa/wrench_menu_controller.mm b/chrome/browser/ui/cocoa/wrench_menu_controller.mm
index 3abd3aabfa33dcc9ad32f35af0ed1a84429f8af0..fcbada650e7fbe77634a907edf19069421917b24 100644
--- a/chrome/browser/ui/cocoa/wrench_menu_controller.mm
+++ b/chrome/browser/ui/cocoa/wrench_menu_controller.mm
@@ -8,6 +8,7 @@
 #include "app/menus/menu_model.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
+#include "chrome/browser/background_page_tracker.h"
 #import "chrome/browser/ui/cocoa/menu_tracked_root_view.h"
 #import "chrome/browser/ui/cocoa/toolbar_controller.h"
 #include "chrome/browser/ui/browser.h"
@@ -121,6 +122,12 @@ class ZoomLevelObserver : public NotificationObserver {
   [zoomFullScreen_ setImage:icon];
 }
 
+- (void)menuDidClose:(NSMenu*)menu {
+  // When the menu is closed, acknowledge the background pages so the badges go
+  // away.
+  BackgroundPageTracker::GetInstance()->AcknowledgeBackgroundPages();
+}
+
 // Used to dispatch commands from the Wrench menu. The custom items within the
 // menu cannot be hooked up directly to First Responder because the window in
 // which the controls reside is not the BrowserWindowController, but a