Add ability for a BubbleReference to update the BubbleUI.

components/bubble/bubble_ui.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_UI_H_
 #define COMPONENTS_BUBBLE_BUBBLE_UI_H_
 
 #include "components/bubble/bubble_reference.h"
 
-class BubbleUI {
+class BubbleUi {
  public:
-  virtual ~BubbleUI() {}
+  virtual ~BubbleUi() {}
 
   // Should display the bubble UI. BubbleReference is passed in so that the
   // bubble UI can notify the BubbleManager if it needs to close.
   virtual void Show(BubbleReference bubbleReference) = 0;
 
   // Should close the bubble UI.
   virtual void Close() = 0;
 
   // Should update the bubble UI's position.
   // Important to verify that an anchor is still available.
   // ex: fullscreen might not have a location bar in views.
   virtual void UpdateAnchorPosition() = 0;
 };
 
 #endif  // COMPONENTS_BUBBLE_BUBBLE_UI_H_