Hide BrowsingInstance from all but SiteInstance, as intended by design.

chrome/browser/debugger/devtools_window.cc

 // Copyright (c) 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 <algorithm>
 
 #include "base/command_line.h"
 #include "base/json/json_writer.h"
 #include "base/lazy_instance.h"
 #include "base/string_number_conversions.h"
@@ skipping 13 matching lines @@
 #include "chrome/browser/themes/theme_service_factory.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_window.h"
 #include "chrome/browser/ui/tab_contents/tab_contents_wrapper.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/url_constants.h"
-#include "content/browser/browsing_instance.h"
 #include "content/browser/in_process_webkit/session_storage_namespace.h"
 #include "content/browser/load_notification_details.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/devtools_agent_host_registry.h"
 #include "content/public/browser/devtools_manager.h"
 #include "content/public/browser/favicon_status.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/navigation_entry.h"
 #include "content/public/browser/notification_source.h"
@@ skipping 679 matching lines @@
                            content);
 }
 
 content::JavaScriptDialogCreator* DevToolsWindow::GetJavaScriptDialogCreator() {
   if (inspected_tab_ && inspected_tab_->web_contents()->GetDelegate()) {
     return inspected_tab_->web_contents()->GetDelegate()->
         GetJavaScriptDialogCreator();
   }
   return content::WebContentsDelegate::GetJavaScriptDialogCreator();
 }