Split extensions::MenuManager instance out from ExtensionService.

chrome/browser/tab_contents/render_view_context_menu.cc

Index: chrome/browser/tab_contents/render_view_context_menu.cc
diff --git a/chrome/browser/tab_contents/render_view_context_menu.cc b/chrome/browser/tab_contents/render_view_context_menu.cc
index 80c4cb3c984101d805cf911979138d607b8579c5..00e6bda13b85260a3fa749540da720f56f91abe9 100644
--- a/chrome/browser/tab_contents/render_view_context_menu.cc
+++ b/chrome/browser/tab_contents/render_view_context_menu.cc
@@ -513,7 +513,10 @@ void RenderViewContextMenu::AppendAllExtensionItems() {
       extensions::ExtensionSystem::Get(profile_)->extension_service();
   if (!service)
     return;  // In unit-tests, we may not have an ExtensionService.
-  MenuManager* menu_manager = service->menu_manager();
+
+  MenuManager* menu_manager = MenuManager::Get(profile_);
+  if (!menu_manager)
+    return;
 
   string16 printable_selection_text = PrintableSelectionText();
   EscapeAmpersands(&printable_selection_text);