Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

chrome/browser/ui/website_settings/permission_bubble_delegate.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 CHROME_BROWSER_UI_WEBSITE_SETTINGS_PERMISSION_BUBBLE_DELEGATE_H_
+#define CHROME_BROWSER_UI_WEBSITE_SETTINGS_PERMISSION_BUBBLE_DELEGATE_H_
+
+#include "base/callback.h"
+#include "components/bubble/bubble_delegate.h"
+
+class PermissionBubbleManager;
+class PermissionBubbleRequest;
+
+class PermissionBubbleDelegate : public BubbleDelegate {
+ public:
+  PermissionBubbleDelegate(
+      base::Callback<scoped_ptr<BubbleUI>(PermissionBubbleManager*)> ui_factory,
+      PermissionBubbleManager* manager);
+  ~PermissionBubbleDelegate() override;
+
+  // BubbleDelegate:
+  void DidClose() override;
+  bool ShouldCloseOnHide() const override;
+  scoped_ptr<BubbleUI> BuildBubbleUI() override;
+  void* GetContext() const override;
+
+  // Define this function in the platform specific bubble UI implementation.

[msw, 2015/08/13 03:37:21]

Is this a TODO? Otherwise reword this comment to something like "This function
is defined by platform specific bubble UI implementations."

+  static scoped_ptr<BubbleUI> CreateBubble(PermissionBubbleManager* manager);
+
+ private:
+  base::Callback<scoped_ptr<BubbleUI>(PermissionBubbleManager*)> ui_factory_;
+  PermissionBubbleManager* manager_;  // Weak.
+
+  DISALLOW_COPY_AND_ASSIGN(PermissionBubbleDelegate);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBSITE_SETTINGS_PERMISSION_BUBBLE_DELEGATE_H_