MacViews: Run native Cocoa context menus to support Services.

ui/views/controls/menu/menu_runner.h

Index: ui/views/controls/menu/menu_runner.h
diff --git a/ui/views/controls/menu/menu_runner.h b/ui/views/controls/menu/menu_runner.h
index a96bfb2ee42f06738fde3b5536bf3b4282667f3a..663d1b04fb6225b6510ec9fa7fefeb13719ed7fd 100644
--- a/ui/views/controls/menu/menu_runner.h
+++ b/ui/views/controls/menu/menu_runner.h
@@ -34,7 +34,7 @@ class Widget;
 
 namespace internal {
 class DisplayChangeListener;
-class MenuRunnerImpl;
+class MenuRunnerImplInterface;
 }
 
 namespace test {
@@ -134,9 +134,9 @@ class VIEWS_EXPORT MenuRunner {
   void SetRunnerHandler(scoped_ptr<MenuRunnerHandler> runner_handler);
 
   const int32 run_types_;
-  scoped_ptr<MenuModelAdapter> menu_model_adapter_;
 
-  internal::MenuRunnerImpl* holder_;
+  // We own this. No scoped_ptr because it is destroyed by calling Release().
+  internal::MenuRunnerImplInterface* impl_;
 
   // An implementation of RunMenuAt. This is usually NULL and ignored. If this
   // is not NULL, this implementation will be used.