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

content/browser/site_instance.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 "content/browser/site_instance.h"
 
 #include "content/browser/browsing_instance.h"
 #include "content/browser/content_browser_client.h"
 #include "content/browser/renderer_host/browser_render_process_host.h"
 #include "content/browser/webui/web_ui_factory.h"
@@ skipping 98 matching lines @@
 }
 
 bool SiteInstance::HasRelatedSiteInstance(const GURL& url) {
   return browsing_instance_->HasSiteInstance(url);
 }
 
 SiteInstance* SiteInstance::GetRelatedSiteInstance(const GURL& url) {
   return browsing_instance_->GetSiteInstanceForURL(url);
 }
 
+bool SiteInstance::HasWrongProcessForURL(const GURL& url) const {
+  // Having no process isn't a problem, since we'll assign it correctly.
+  if (!HasProcess())
+    return false;
+
+  // If the effective URL is an extension (e.g., for hosted apps) but the
+  // process is not (or vice versa), make sure we notice and fix it.
+  GURL effective_url = GetEffectiveURL(browsing_instance_->profile(), url);
+  return effective_url.SchemeIs(chrome::kExtensionScheme) !=
+      process_->is_extension_process();
+}
+
 /*static*/
 SiteInstance* SiteInstance::CreateSiteInstance(Profile* profile) {
   return new SiteInstance(new BrowsingInstance(profile));
 }
 
 /*static*/
 SiteInstance* SiteInstance::CreateSiteInstanceForURL(Profile* profile,
                                                      const GURL& url) {
   // This BrowsingInstance may be deleted if it returns an existing
   // SiteInstance.
@@ skipping 94 matching lines @@
 }
 
 void SiteInstance::Observe(NotificationType type,
                            const NotificationSource& source,
                            const NotificationDetails& details) {
   DCHECK(type == NotificationType::RENDERER_PROCESS_TERMINATED);
   RenderProcessHost* rph = Source<RenderProcessHost>(source).ptr();
   if (rph == process_)
     process_ = NULL;
 }