Don't hold the installed app in BrowserProcessRenderHost, since that's in content layer now. Ext...

chrome/browser/profiles/profile_impl.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/profiles/profile_impl.h"
 
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/environment.h"
 #include "base/file_path.h"
@@ skipping 851 matching lines @@
     // TODO(eroman): this isn't terribly useful anymore now that the
     // net::URLRequestContext is constructed by the IO thread...
     NotificationService::current()->Notify(
         NotificationType::DEFAULT_REQUEST_CONTEXT_AVAILABLE,
         NotificationService::AllSources(), NotificationService::NoDetails());
   }
 
   return request_context;
 }
 
-net::URLRequestContextGetter* ProfileImpl::GetRequestContextForPossibleApp(
-    const Extension* installed_app) {
+net::URLRequestContextGetter* ProfileImpl::GetRequestContextForRenderProcess(
+    int renderer_child_id) {
   if (CommandLine::ForCurrentProcess()->HasSwitch(
-          switches::kEnableExperimentalAppManifests) &&
-      installed_app != NULL &&
-      installed_app->is_storage_isolated())
-    return GetRequestContextForIsolatedApp(installed_app->id());
+          switches::kEnableExperimentalAppManifests)) {
+    const Extension* installed_app = extension_service_->
+        GetInstalledAppForRenderer(renderer_child_id);
+    if (installed_app != NULL && installed_app->is_storage_isolated())
+      return GetRequestContextForIsolatedApp(installed_app->id());
+  }
 
   return GetRequestContext();
 }
 
 net::URLRequestContextGetter* ProfileImpl::GetRequestContextForMedia() {
   return io_data_.GetMediaRequestContextGetter();
 }
 
 const content::ResourceContext& ProfileImpl::GetResourceContext() {
   return io_data_.GetResourceContext();
@@ skipping 662 matching lines @@
   return pref_proxy_config_tracker_;
 }
 
 prerender::PrerenderManager* ProfileImpl::GetPrerenderManager() {
   if (!prerender::PrerenderManager::IsPrerenderingPossible())
     return NULL;
   if (!prerender_manager_)
     prerender_manager_ = new prerender::PrerenderManager(this);
   return prerender_manager_;
 }