views: Factor out MenuListener into its own header file.

R=sky@chromium.org

Review URL: http://codereview.chromium.org/7969011

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@102512 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 13 insertions, 9 deletions

diff --git a/views/controls/menu/menu_2.h b/views/controls/menu/menu_2.h
index 5a93179..4460eea 100644
--- a/views/controls/menu/menu_2.h
+++ b/views/controls/menu/menu_2.h
@@ -6,8 +6,9 @@
 #define VIEWS_CONTROLS_MENU_MENU_2_H_
 #pragma once
 
+#include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
-#include "ui/base/models/menu_model.h"
+#include "ui/gfx/native_widget_types.h"
 #include "views/controls/menu/menu_wrapper.h"
 #include "views/views_export.h"
 
@@ -15,10 +16,13 @@ namespace gfx {
 class Point;
 }
 
+namespace ui {
+class MenuModel;
+}
+
 namespace views {
 
 class NativeMenuGtk;
-class View;
 
 // A menu. Populated from a model, and relies on a delegate to execute commands.
 //
@@ -27,6 +31,13 @@ class View;
 // ActivatedAt is never invoked.
 class VIEWS_EXPORT Menu2 {
  public:
+  // How the menu is aligned relative to the point it is shown at.
+  // The alignment is reversed by menu if text direction is right to left.
+  enum Alignment {
+    ALIGN_TOPLEFT,
+    ALIGN_TOPRIGHT
+  };
+
   // Creates a new menu populated with the contents of |model|.
   // WARNING: this populates the menu on construction by invoking methods on
   // the model. As such, it is typically not safe to use this as the model
@@ -36,13 +47,6 @@ class VIEWS_EXPORT Menu2 {
   explicit Menu2(ui::MenuModel* model);
   virtual ~Menu2();
 
-  // How the menu is aligned relative to the point it is shown at.
-  // The alignment is reversed by menu if text direction is right to left.
-  enum Alignment {
-    ALIGN_TOPLEFT,
-    ALIGN_TOPRIGHT
-  };
-
   // Runs the menu at the specified point. This method blocks until done.
   // RunContextMenuAt is the same, but the alignment is the default for a
   // context menu.