Update error badge on wrench menu button

chrome/browser/ui/views/toolbar_view.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/views/toolbar_view.h"
 
 #include "base/i18n/number_formatting.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/prefs/pref_service.h"
@@ skipping 94 matching lines @@
   if (!kPopupBackgroundEdge) {
     kPopupBackgroundEdge = ResourceBundle::GetSharedInstance().GetBitmapNamed(
         IDR_LOCATIONBG_POPUPMODE_EDGE);
   }
 
   registrar_.Add(this, chrome::NOTIFICATION_UPGRADE_RECOMMENDED,
                  NotificationService::AllSources());
   registrar_.Add(this,
                  chrome::NOTIFICATION_MODULE_INCOMPATIBILITY_BADGE_CHANGE,
                  NotificationService::AllSources());
+  registrar_.Add(this, chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED,
+                 Source<Profile>(browser_->profile()));
 }
 
 ToolbarView::~ToolbarView() {
   // NOTE: Don't remove the command observers here.  This object gets destroyed
   // after the Browser (which owns the CommandUpdater), so the CommandUpdater is
   // already gone.
 }
 
 void ToolbarView::Init() {
   back_menu_model_.reset(new BackForwardMenuModel(
@@ skipping 278 matching lines @@
   }
   browser_->ExecuteCommandWithDisposition(command, disposition);
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ToolbarView, NotificationObserver implementation:
 
 void ToolbarView::Observe(int type,
                           const NotificationSource& source,
                           const NotificationDetails& details) {
-  if (type == chrome::NOTIFICATION_PREF_CHANGED) {
-    std::string* pref_name = Details<std::string>(details).ptr();
-    if (*pref_name == prefs::kShowHomeButton) {
-      Layout();
-      SchedulePaint();
+  switch (type) {
+    case chrome::NOTIFICATION_PREF_CHANGED: {
+      std::string* pref_name = Details<std::string>(details).ptr();
+      if (*pref_name == prefs::kShowHomeButton) {
+        Layout();
+        SchedulePaint();
+      }
+      break;
     }
-  } else if (
-        type == chrome::NOTIFICATION_UPGRADE_RECOMMENDED ||
-        type == chrome::NOTIFICATION_MODULE_INCOMPATIBILITY_BADGE_CHANGE) {
-    UpdateAppMenuBadge();
+    case chrome::NOTIFICATION_UPGRADE_RECOMMENDED:
+    case chrome::NOTIFICATION_MODULE_INCOMPATIBILITY_BADGE_CHANGE:
+    case chrome::NOTIFICATION_GLOBAL_ERRORS_CHANGED:
+      UpdateAppMenuBadge();
+      break;
   }
 }
 
 ////////////////////////////////////////////////////////////////////////////////
 // ToolbarView, ui::AcceleratorProvider implementation:
 
 bool ToolbarView::GetAcceleratorForCommandId(int command_id,
     ui::Accelerator* accelerator) {
   // The standard Ctrl-X, Ctrl-V and Ctrl-C are not defined as accelerators
   // anywhere so we need to check for them explicitly here.
@@ skipping 265 matching lines @@
   app_menu_->SetHoverIcon(GetAppMenuIcon(views::CustomButton::BS_HOT));
   app_menu_->SetPushedIcon(GetAppMenuIcon(views::CustomButton::BS_PUSHED));
 }
 
 void ToolbarView::UpdateAppMenuBadge() {
   app_menu_->SetIcon(GetAppMenuIcon(views::CustomButton::BS_NORMAL));
   app_menu_->SetHoverIcon(GetAppMenuIcon(views::CustomButton::BS_HOT));
   app_menu_->SetPushedIcon(GetAppMenuIcon(views::CustomButton::BS_PUSHED));
   SchedulePaint();
 }