Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

components/bubble/bubble_controller.h

+// Copyright 2015 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 COMPONENTS_BUBBLE_BUBBLE_CONTROLLER_H_
+#define COMPONENTS_BUBBLE_BUBBLE_CONTROLLER_H_
+
+#include "base/memory/scoped_ptr.h"
+#include "base/memory/weak_ptr.h"
+#include "components/bubble/bubble_delegate.h"
+
+class BubbleUI;
+
+// BubbleController is responsible for the lifetime of the delegate and its UI.
+class BubbleController {
+ public:
+  explicit BubbleController(scoped_ptr<BubbleDelegate> delegate);
+  virtual ~BubbleController();
+
+  // Will create and show the UI for the delegate.
+  void Show();
+
+  // Will notify the bubble UI that it should update its anchor location.
+  // Important when there's a UI change (ex: fullscreen transition).
+  void UpdateAnchorPosition();
+
+  // Should clean up the delegate and its UI if it closed.
+  // Returns true if the bubble was closed.
+  bool ShouldClose(BubbleCloseReason reason);
+
+  base::WeakPtr<BubbleController> AsWeakPtr();
+
+ private:
+  scoped_ptr<BubbleDelegate> delegate_;
+  scoped_ptr<BubbleUI> bubble_ui_;
+
+  base::WeakPtrFactory<BubbleController> weak_ptr_factory_;
+
+  DISALLOW_COPY_AND_ASSIGN(BubbleController);
+};
+
+#endif  // COMPONENTS_BUBBLE_BUBBLE_CONTROLLER_H_