Split WarningService from ExtensionSystem.

chrome/browser/extensions/extension_warning_badge_service.cc

Index: chrome/browser/extensions/extension_warning_badge_service.cc
diff --git a/chrome/browser/extensions/extension_warning_badge_service.cc b/chrome/browser/extensions/extension_warning_badge_service.cc
index 085cac9e0a98970cedf586cbce849f0c709b9fd2..7afb6fcb4b490090bf2f6ee4e516b074892a139d 100644
--- a/chrome/browser/extensions/extension_warning_badge_service.cc
+++ b/chrome/browser/extensions/extension_warning_badge_service.cc
@@ -6,13 +6,13 @@
 
 #include "base/stl_util.h"
 #include "chrome/app/chrome_command_ids.h"
+#include "chrome/browser/extensions/extension_warning_badge_service_factory.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_commands.h"
 #include "chrome/browser/ui/global_error/global_error.h"
 #include "chrome/browser/ui/global_error/global_error_service.h"
 #include "chrome/browser/ui/global_error/global_error_service_factory.h"
 #include "chrome/grit/generated_resources.h"
-#include "extensions/browser/extension_system.h"
 #include "ui/base/l10n/l10n_util.h"
 
 namespace extensions {
@@ -87,14 +87,20 @@ int ErrorBadge::GetMenuItemCommandID() {
 
 }  // namespace
 
-
 ExtensionWarningBadgeService::ExtensionWarningBadgeService(Profile* profile)
-    : profile_(profile) {
+    : profile_(profile), warning_service_observer_(this) {
   DCHECK(CalledOnValidThread());
+  warning_service_observer_.Add(WarningService::Get(profile_));
 }
 
 ExtensionWarningBadgeService::~ExtensionWarningBadgeService() {}
 
+// static
+ExtensionWarningBadgeService* ExtensionWarningBadgeService::Get(
+    content::BrowserContext* context) {
+  return ExtensionWarningBadgeServiceFactory::GetForBrowserContext(context);
+}
+
 void ExtensionWarningBadgeService::SuppressCurrentWarnings() {
   DCHECK(CalledOnValidThread());
   size_t old_size = suppressed_warnings_.size();
@@ -107,7 +113,7 @@ void ExtensionWarningBadgeService::SuppressCurrentWarnings() {
 }
 
 const WarningSet& ExtensionWarningBadgeService::GetCurrentWarnings() const {
-  return ExtensionSystem::Get(profile_)->warning_service()->warnings();
+  return WarningService::Get(profile_)->warnings();
 }
 
 void ExtensionWarningBadgeService::ExtensionWarningsChanged() {