Don't reopen avatar bubble view on second click

chrome/browser/ui/views/bubble/bubble.cc

 // Copyright (c) 2011 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 "chrome/browser/ui/views/bubble/bubble.h"
 
 #include <vector>
 
 #include "chrome/browser/ui/views/bubble/border_contents.h"
 #include "chrome/common/chrome_notification_types.h"
@@ skipping 367 matching lines @@
 #endif
 
 void Bubble::DoClose(bool closed_by_escape) {
   if (show_status_ == kClosed)
     return;
 
   if (accelerator_registered_)
     UnregisterEscapeAccelerator();
   if (delegate_)
     delegate_->BubbleClosing(this, closed_by_escape);
+  FOR_EACH_OBSERVER(Observer, observer_list_, OnBubbleClosing());
   show_status_ = kClosed;
 #if defined(USE_AURA)
   // TODO(beng):
   NOTIMPLEMENTED();
 #elif defined(OS_WIN)
   border_->Close();
 #endif
 #if defined(USE_AURA)
   // TODO(beng):
   NOTIMPLEMENTED();
@@ skipping 38 matching lines @@
     animation_->Hide();
 }
 
 bool Bubble::AcceleratorPressed(const views::Accelerator& accelerator) {
   if (!delegate_ || delegate_->CloseOnEscape()) {
     DoClose(true);
     return true;
   }
   return false;
 }