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/callback.h"
+
+class BubbleDelegate;
+class BubbleManager;
+
+enum BubbleCloseReason {

[please use gerrit instead, 2015/07/22 23:56:09]

Add comment that this is for manager metrics.

+  // Bubble was closed without any user interaction.
+  BUBBLE_CLOSE_IGNORE = 0,
+
+  // User did not interact with the bubble, but changed tab.
+  BUBBLE_CLOSE_TABSWITCH,
+
+  // User dismissed the bubble. (ESC, close, etc)
+  BUBBLE_CLOSE_CLOSE,
+
+  // User selected the "Allow" option in a bubble.
+  BUBBLE_CLOSE_ALLOW,
+
+  // User selected the "Deny" option in a bubble.
+  BUBBLE_CLOSE_DENY,
+};
+
+class BubbleController {
+ public:
+  BubbleController(BubbleManager* manager, BubbleDelegate* delegate);
+  virtual ~BubbleController();
+
+  virtual void Show();
+  virtual void Hide(BubbleCloseReason reason);
+
+  virtual void UpdatePosition();
+
+  bool IsOwnerOf(BubbleDelegate* delegate) { return delegate == delegate_; }
+
+ private:
+  // Weak.
+  BubbleManager* manager_;
+
+  // Weak.
+  BubbleDelegate* delegate_;
+};
+
+#endif  // COMPONENTS_BUBBLE_BUBBLE_CONTROLLER_H__