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

chrome/browser/extensions/app_process_apitest.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 "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/process_map.h"
 #include "chrome/browser/profiles/profile.h"
@@ skipping 370 matching lines @@
   ASSERT_EQ(3, browser()->tab_count());
   EXPECT_EQ("/files/extensions/api_test/app_process/path1/empty.html",
             browser()->GetWebContentsAt(2)->GetController().
                 GetLastCommittedEntry()->GetURL().path());
   EXPECT_EQ(browser()->GetWebContentsAt(1)->GetRenderProcessHost(),
             browser()->GetWebContentsAt(2)->GetRenderProcessHost());
 }
 
 // Ensure that reloading a URL after installing or uninstalling it as an app
 // correctly swaps the process.  (http://crbug.com/80621)
-// Disabled until we get a correct fix for 80621.  See http://crbug.com/102408.
-IN_PROC_BROWSER_TEST_F(AppApiTest, DISABLED_ReloadIntoAppProcess) {
+IN_PROC_BROWSER_TEST_F(AppApiTest, ReloadIntoAppProcess) {
   CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kDisablePopupBlocking);
 
   extensions::ProcessMap* process_map =
       browser()->profile()->GetExtensionService()->process_map();
 
   host_resolver()->AddRule("*", "127.0.0.1");
   ASSERT_TRUE(test_server()->Start());
 
   // The app under test acts on URLs whose host is "localhost",
@@ skipping 257 matching lines @@
           &browser()->GetSelectedTabContentsWrapper()->web_contents()->
               GetController()));
   browser()->Reload(CURRENT_TAB);
   observer.Wait();
   ASSERT_TRUE(ui_test_utils::ExecuteJavaScriptAndExtractBool(
       contents->GetRenderViewHost(), L"",
       L"window.domAutomationController.send(chrome.app.isInstalled)",
       &is_installed));
   ASSERT_TRUE(is_installed);
 }