Adds MD ink ripple animations to buttons within location bar

ui/views/bubble/bubble_delegate.h

 // 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_BUBBLE_BUBBLE_DELEGATE_H_
 #define UI_VIEWS_BUBBLE_BUBBLE_DELEGATE_H_
 
 #include "base/gtest_prod_util.h"
 #include "base/macros.h"
 #include "ui/views/bubble/bubble_border.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 #include "ui/views/widget/widget_observer.h"
+#include "ui/views/widget/widget_observer_view.h"
 
 namespace gfx {
 class FontList;
 class Rect;
 }
 
 namespace views {
 
 class BubbleFrameView;
 
 // BubbleDelegateView creates frame and client views for bubble Widgets.
 // BubbleDelegateView itself is the client's contents view.
 class VIEWS_EXPORT BubbleDelegateView : public WidgetDelegateView,
                                         public WidgetObserver {
  public:
   // Internal class name.
   static const char kViewClassName[];
 
   enum class CloseReason {
     DEACTIVATION,
     ESCAPE,
     CLOSE_BUTTON,
     UNKNOWN,
   };
 
   BubbleDelegateView();
+  BubbleDelegateView(WidgetObserverView* anchor_view,

[varkha, 2016/01/28 00:11:10]

msw@, pkasting@, did you have in mind something like this?

+                     BubbleBorder::Arrow arrow);
   BubbleDelegateView(View* anchor_view, BubbleBorder::Arrow arrow);
   ~BubbleDelegateView() override;
 
   // Create and initialize the bubble Widget(s) with proper bounds.
   static Widget* CreateBubble(BubbleDelegateView* bubble_delegate);
 
   // WidgetDelegateView overrides:
   BubbleDelegateView* AsBubbleDelegate() override;
   bool ShouldShowCloseButton() const override;
   View* GetContentsView() override;
@@ skipping 116 matching lines @@
   // Flags controlling bubble closure on the escape key and deactivation.
   bool close_on_esc_;
   bool close_on_deactivate_;
 
   // The view and widget to which this bubble is anchored. Since an anchor view
   // can be deleted without notice, we store it in the ViewStorage and retrieve
   // it from there. It will make sure that the view is still valid.
   const int anchor_view_storage_id_;
   Widget* anchor_widget_;
 
+  // True if anchor_view_storage_id_ refers to a View that implements
+  // WidgetObserver;
+  bool anchor_view_has_widget_observer_;
+
   // The anchor rect used in the absence of an anchor view.
   mutable gfx::Rect anchor_rect_;
 
   // The arrow's location on the bubble.
   BubbleBorder::Arrow arrow_;
 
   // Bubble border shadow to use.
   BubbleBorder::Shadow shadow_;
 
   // The background color of the bubble; and flag for when it's explicitly set.
@@ skipping 18 matching lines @@
   gfx::NativeView parent_window_;
 
   CloseReason close_reason_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleDelegateView);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_BUBBLE_BUBBLE_DELEGATE_H_