Pass a BubbleReference to BubbleUI::Show.

components/bubble/bubble_manager.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_MANAGER_H_
 #define COMPONENTS_BUBBLE_BUBBLE_MANAGER_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/scoped_vector.h"
-#include "base/memory/weak_ptr.h"
 #include "base/threading/thread_checker.h"
 #include "components/bubble/bubble_close_reason.h"
+#include "components/bubble/bubble_reference.h"
 
-class BubbleController;
 class BubbleDelegate;
 
-typedef base::WeakPtr<BubbleController> BubbleReference;
-
 // Inherit from BubbleManager to show, update, and close bubbles.
 // Any class that inherits from BubbleManager should capture any events that
 // should dismiss a bubble or update its anchor point.
 // This class assumes that we won't be showing a lot of bubbles simultaneously.
 // TODO(hcarmona): Handle simultaneous bubbles. http://crbug.com/366937
 class BubbleManager {
  public:
   // Should be instantiated on the UI thread.
   BubbleManager();
   virtual ~BubbleManager();
@@ skipping 31 matching lines @@
   // The bubbles that are being managed.
   ScopedVector<BubbleController> controllers_;
 
   // The bubbles queued to be shown when possible.
   ScopedVector<BubbleController> show_queue_;
 
   DISALLOW_COPY_AND_ASSIGN(BubbleManager);
 };
 
 #endif  // COMPONENTS_BUBBLE_BUBBLE_MANAGER_H_