Add ability for a BubbleReference to update the BubbleUI.

components/bubble/bubble_manager.cc

 // 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.
 
 #include "components/bubble/bubble_manager.h"
 
 #include <vector>
 
 #include "components/bubble/bubble_controller.h"
 #include "components/bubble/bubble_delegate.h"
@@ skipping 69 matching lines @@
 
   ShowPendingBubbles();
 }
 
 void BubbleManager::UpdateAllBubbleAnchors() {
   DCHECK(thread_checker_.CalledOnValidThread());
   for (auto controller : controllers_)
     controller->UpdateAnchorPosition();
 }
 
+bool BubbleManager::UpdateBubbleUI(BubbleReference bubble) {
+  DCHECK(thread_checker_.CalledOnValidThread());
+  return bubble->UpdateBubbleUIInternal();
+}
+
 void BubbleManager::ShowPendingBubbles() {
   if (manager_state_ == QUEUE_BUBBLES)
     manager_state_ = SHOW_BUBBLES;
 
   if (manager_state_ == SHOW_BUBBLES) {
     for (auto controller : show_queue_)
       controller->Show();
 
     controllers_.insert(controllers_.end(), show_queue_.begin(),
                         show_queue_.end());
 
     show_queue_.weak_clear();
   } else {
     // Clear the queue if bubbles can't be shown.
     show_queue_.clear();
   }
 }