Retrieve favicons from history as NavigationEntries are converted from TabNav...

ui/base/models/menu_model_delegate.h

Index: ui/base/models/menu_model_delegate.h
diff --git a/ui/base/models/menu_model_delegate.h b/ui/base/models/menu_model_delegate.h
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index 0000000000000000000000000000000000000000..e0316388bda47c55ce31e57b4220c486aacff24e
--- /dev/null
+++ b/ui/base/models/menu_model_delegate.h
@@ -0,0 +1,21 @@
+// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef UI_BASE_MODELS_MENU_MODEL_DELEGATE_H_
+#define UI_BASE_MODELS_MENU_MODEL_DELEGATE_H_
+#pragma once
+
+namespace ui {
+
+class MenuModelDelegate {
+ public:
+  // Invoked when an icon has been loaded from history.
+  virtual void OnIconChanged(int index) {}
+ protected:
+  virtual ~MenuModelDelegate() {}
+};
+
+}  // namespace ui
+
+#endif  // UI_BASE_MODELS_MENU_MODEL_DELEGATE_H_