Swap processes on reload if a hosted app has been installed/uninstalled.

content/browser/tab_contents/navigation_entry.h

 // 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.
 
 #ifndef CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_ENTRY_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_ENTRY_H_
 #pragma once
 
 #include <string>
 
@@ skipping 188 matching lines @@
   int unique_id() const {
     return unique_id_;
   }
 
   // The SiteInstance tells us how to share sub-processes when the tab type is
   // TAB_CONTENTS_WEB. This will be NULL otherwise. This is a reference counted
   // pointer to a shared site instance.
   //
   // Note that the SiteInstance should usually not be changed after it is set,
   // but this may happen if the NavigationEntry was cloned and needs to use a
-  // different SiteInstance.
+  // different SiteInstance, or if a hosted app is installed or uninstalled.
   void set_site_instance(SiteInstance* site_instance);
   SiteInstance* site_instance() const {
     return site_instance_;
   }
 
   // The page type tells us if this entry is for an interstitial or error page.
   // See the PageType enum above.
   void set_page_type(PageType page_type) {
     page_type_ = page_type;
   }
@@ skipping 200 matching lines @@
   // This is a cached version of the result of GetTitleForDisplay. It prevents
   // us from having to do URL formatting on the URL evey time the title is
   // displayed. When the URL, virtual URL, or title is set, this should be
   // cleared to force a refresh.
   string16 cached_display_title_;
 
   // Copy and assignment is explicitly allowed for this class.
 };
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_ENTRY_H_