Adds MD ink ripple animations to buttons within location bar

ui/views/widget/widget_observer_view.h

Index: ui/views/widget/widget_observer_view.h
diff --git a/ui/views/widget/widget_observer_view.h b/ui/views/widget/widget_observer_view.h
new file mode 100644
index 0000000000000000000000000000000000000000..26ee0b4d61ca8100597bb29851c4edd6fb88568b
--- /dev/null
+++ b/ui/views/widget/widget_observer_view.h
@@ -0,0 +1,21 @@
+// Copyright (c) 2012 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_VIEWS_WIDGET_WIDGET_OBSERVER_VIEW_H_
+#define UI_VIEWS_WIDGET_WIDGET_OBSERVER_VIEW_H_
+
+#include "ui/views/view.h"
+#include "ui/views/views_export.h"
+#include "ui/views/widget/widget_observer.h"
+
+namespace views {
+
+class VIEWS_EXPORT WidgetObserverView : public WidgetObserver, public View {
+ public:
+  virtual void ObserveWidget(views::Widget* widget) {}
+};
+
+}  // namespace views
+
+#endif  // UI_VIEWS_WIDGET_WIDGET_OBSERVER_VIEW_H_

[sadrul, 2016/01/28 17:45:06]

I dislike this quite a bit. I don't think we should do this.

[varkha, 2016/01/28 20:09:19]

Done.