Update error badge on wrench menu button

chrome/browser/ui/global_error_service.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/global_error_service.h"
 
 #include <algorithm>
 
 #include "base/stl_util.h"
 #include "chrome/browser/ui/global_error.h"
+#include "chrome/common/chrome_notification_types.h"
+#include "content/common/notification_service.h"
 
-GlobalErrorService::GlobalErrorService() {
+GlobalErrorService::GlobalErrorService(Profile* profile) : profile_(profile) {
 }
 
 GlobalErrorService::~GlobalErrorService() {
   STLDeleteElements(&errors_);
 }
 
 void GlobalErrorService::AddGlobalError(GlobalError* error) {
   errors_.push_back(error);
+  NotifyErrorsChanged(error);
 }
 
 void GlobalErrorService::RemoveGlobalError(GlobalError* error) {
   errors_.erase(std::find(errors_.begin(), errors_.end(), error));
+  NotifyErrorsChanged(error);
 }
 
 GlobalError* GlobalErrorService::GetGlobalErrorByMenuItemCommandID(
     int command_id) const {
   for (std::vector<GlobalError*>::const_iterator
        it = errors_.begin(); it != errors_.end(); ++it) {
     GlobalError* error = *it;
     if (error->HasMenuItem() && command_id == error->MenuItemCommandID())
       return error;
   }
@@ skipping 12 matching lines @@
 
 GlobalError* GlobalErrorService::GetFirstGlobalErrorWithBubbleView() const {
   for (std::vector<GlobalError*>::const_iterator
        it = errors_.begin(); it != errors_.end(); ++it) {
     GlobalError* error = *it;
     if (error->HasBubbleView() && !error->HasShownBubbleView())
       return error;
   }
   return NULL;
 }
+
+void GlobalErrorService::NotifyErrorsChanged(GlobalError* error) {
+  NotificationService::current()->Notify(
+      chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED,
+      Source<Profile>(profile_),
+      Details<GlobalError>(error));
+}