Split extensions::MenuManager instance out from ExtensionService.

chrome/browser/extensions/extension_service.h

Index: chrome/browser/extensions/extension_service.h
diff --git a/chrome/browser/extensions/extension_service.h b/chrome/browser/extensions/extension_service.h
index 4866edeb272190fc14a3c72f474e6009bf24ca2b..0ac5a87692c354f2ac8c35296cb50b107bf857c1 100644
--- a/chrome/browser/extensions/extension_service.h
+++ b/chrome/browser/extensions/extension_service.h
@@ -25,7 +25,6 @@
 #include "chrome/browser/extensions/extension_sync_service.h"
 #include "chrome/browser/extensions/external_provider_interface.h"
 #include "chrome/browser/extensions/management_policy.h"
-#include "chrome/browser/extensions/menu_manager.h"
 #include "chrome/browser/extensions/pending_enables.h"
 #include "chrome/browser/extensions/pending_extension_manager.h"
 #include "chrome/browser/extensions/process_map.h"
@@ -456,8 +455,6 @@ class ExtensionService
 
   extensions::QuotaService* quota_service() { return &quota_service_; }
 
-  extensions::MenuManager* menu_manager() { return &menu_manager_; }
-
   // Sets the name, id and icon resource path of the given extension into the
   // returned dictionary. Returns an empty dictionary if the given extension id
   // is not found.
@@ -796,9 +793,6 @@ class ExtensionService
   // Keeps track of loading and unloading component extensions.
   scoped_ptr<extensions::ComponentLoader> component_loader_;
 
-  // Keeps track of menu items added by extensions.
-  extensions::MenuManager menu_manager_;
-
   // A collection of external extension providers.  Each provider reads
   // a source of external extension information.  Examples include the
   // windows registry and external_extensions.json.