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

chrome/renderer/chrome_content_renderer_client.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 "chrome/renderer/chrome_content_renderer_client.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/logging.h"
@@ skipping 743 matching lines @@
     WebFrame* frame,
     const GURL& new_url,
     bool is_initial_navigation) {
   const ExtensionSet* extensions = extension_dispatcher_->extensions();
   GURL old_url(frame->top()->document().url());
 
   // Determine if the new URL is an extension (excluding bookmark apps).
   const Extension* new_url_extension = extensions::GetNonBookmarkAppExtension(
       *extensions, ExtensionURLInfo(new_url));
 
+  // If this is a reload, check whether it has the wrong process type.  We
+  // should send it to the browser if it's an extension URL (e.g., hosted app)
+  // in a normal process, or if it's a process for an extension that has been
+  // uninstalled.
+  if (old_url == new_url) {
+    bool is_extension_url = !!new_url_extension;
+    if (is_extension_url != extension_dispatcher_->is_extension_process())
+      return true;
+  }
+
   // If old_url is still empty and this is an initial navigation, then this is
   // a window.open operation.  We should look at the opener URL.
   if (is_initial_navigation && old_url.is_empty() && frame->opener()) {
     // If we're about to open a normal web page from a same-origin opener stuck
     // in an extension process, we want to keep it in process to allow the
     // opener to script it.
     WebDocument opener_document = frame->opener()->document();
     GURL opener_url = opener_document.url();
     WebSecurityOrigin opener_origin = opener_document.securityOrigin();
     bool opener_is_extension_url = !!extensions->GetExtensionOrAppByURL(
@@ skipping 50 matching lines @@
     webkit::ppapi::PpapiInterfaceFactoryManager* factory_manager) {
   factory_manager->RegisterFactory(ChromePPAPIInterfaceFactory);
 }
 
 bool ChromeContentRendererClient::AllowSocketAPI(const GURL& url) {
   return allowed_socket_origins_.find(url.host()) !=
       allowed_socket_origins_.end();
 }
 
 }  // namespace chrome