Add BubbleManager to manage bubbles and ChromeBubbleManager for events.

chrome/browser/ui/browser.cc

 // Copyright 2012 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/browser.h"
 
 #if defined(OS_WIN)
 #include <windows.h>
 #include <shellapi.h>
 #endif  // defined(OS_WIN)
@@ skipping 1742 matching lines @@
   // Make sure content-setting icon is turned off in case the page does
   // ungestured and gestured RPH calls.
   if (window_) {
     tab_content_settings->ClearPendingProtocolHandler();
     window_->GetLocationBar()->UpdateContentSettingsIcons();
   }
 
   PermissionBubbleManager* bubble_manager =
       PermissionBubbleManager::FromWebContents(web_contents);
   if (PermissionBubbleManager::Enabled() && bubble_manager) {
+    bubble_manager->SetBrowser(this);

[please use gerrit instead, 2015/08/07 23:02:26]

Hmmm.

[hcarmona, 2015/08/11 02:35:45]

Gone! :D

     bubble_manager->AddRequest(
         new RegisterProtocolHandlerPermissionRequest(registry, handler,
                                                      url, user_gesture));
   } else {
     RegisterProtocolHandlerInfoBarDelegate::Create(
         InfoBarService::FromWebContents(web_contents), registry, handler);
   }
 }
 
 void Browser::UnregisterProtocolHandler(WebContents* web_contents,
@@ skipping 853 matching lines @@
   if (contents && !allow_js_access) {
     contents->web_contents()->GetController().LoadURL(
         target_url,
         content::Referrer(),
         ui::PAGE_TRANSITION_LINK,
         std::string());  // No extra headers.
   }
 
   return contents != NULL;
 }