Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

components/bubble/bubble_controller.h

Index: components/bubble/bubble_controller.h
diff --git a/components/bubble/bubble_controller.h b/components/bubble/bubble_controller.h
new file mode 100644
index 0000000000000000000000000000000000000000..bd87d2dc7f86d68bc2654f6cbdb6edce4e2feb26
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+++ b/components/bubble/bubble_controller.h
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+// 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_close_reason.h"
+
+class BubbleDelegate;
+class BubbleManager;
+class BubbleUI;
+
+// BubbleController is responsible for the lifetime of the delegate and its UI.
+class BubbleController : public base::SupportsWeakPtr<BubbleController> {
+ public:
+  explicit BubbleController(BubbleManager* manager,
+                            scoped_ptr<BubbleDelegate> delegate);
+  virtual ~BubbleController();
+
+  // Calls CloseBubble on the associated BubbleManager.
+  bool CloseBubble(BubbleCloseReason reason);
+
+ private:
+  friend class BubbleManager;
+
+  // Creates and shows the UI for the delegate.
+  void Show();
+
+  // Notifies the bubble UI that it should update its anchor location.
+  // Important when there's a UI change (ex: fullscreen transition).
+  void UpdateAnchorPosition();
+
+  // Cleans up the delegate and its UI if it closed.
+  // Returns true if the bubble was closed.
+  bool ShouldClose(BubbleCloseReason reason);
+
+  BubbleManager* manager_;
+  scoped_ptr<BubbleDelegate> delegate_;
+  scoped_ptr<BubbleUI> bubble_ui_;
+
+  DISALLOW_COPY_AND_ASSIGN(BubbleController);
+};
+
+#endif  // COMPONENTS_BUBBLE_BUBBLE_CONTROLLER_H_