Reloading page after installing app should bring it into correct process.

content/browser/tab_contents/navigation_entry_impl.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_IMPL_H_
 #define CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_ENTRY_IMPL_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
@@ skipping 124 matching lines @@
 
   void set_transferred_global_request_id(
       const GlobalRequestID& transferred_global_request_id) {
     transferred_global_request_id_ = transferred_global_request_id;
   }
 
   GlobalRequestID transferred_global_request_id() const {
     return transferred_global_request_id_;
   }
 
+  // Whether this (pending) navigation is reload across site instances.
+  // Resets to false after commit.
+  void set_is_cross_site_reload(bool is_cross_site_reload) {
+    is_cross_site_reload_ = is_cross_site_reload;
+  }
+  bool is_cross_site_reload() const {
+    return is_cross_site_reload_;
+  }
+
  private:
   // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
   // Session/Tab restore save portions of this class so that it can be recreated
   // later. If you add a new field that needs to be persisted you'll have to
   // update SessionService/TabRestoreService appropriately.
   // WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING WARNING
 
   // See the accessors above for descriptions.
   int unique_id_;
   scoped_refptr<SiteInstanceImpl> site_instance_;
@@ skipping 28 matching lines @@
 
   // In case a navigation is transferred to a new RVH but the request has
   // been generated in the renderer already, this identifies the old request so
   // that it can be resumed. The old request is stored until the
   // ResourceDispatcher receives the navigation from the renderer which
   // carries this |transferred_global_request_id_| annotation. Once the request
   // is transferred to the new process, this is cleared and the request
   // continues as normal.
   GlobalRequestID transferred_global_request_id_;
 
+  // This is set to true when this entry is being reloaded and due to changes in
+  // the state of the URL, it has to be reloaded in a different site instance.
+  // In such case, we must treat it as an existing navigation in the new site
+  // instance, instead of a new navigation. This value should not be persisted
+  // and is not needed after the entry commits.
+  bool is_cross_site_reload_;
+
   // Copy and assignment is explicitly allowed for this class.
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_TAB_CONTENTS_NAVIGATION_ENTRY_IMPL_H_