Cross-process postMessage

chrome/browser/extensions/app_process_apitest.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 "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 131 matching lines @@
             browser()->GetTabContentsAt(3)->render_view_host()->process());
 
   // Now let's do the same using window.open. The same should happen.
   ASSERT_EQ(1u, BrowserList::GetBrowserCount(browser()->profile()));
   WindowOpenHelper(browser(), host,
                    base_url.Resolve("path1/empty.html"), true);
   LOG(INFO) << "WindowOpenHelper 1.";
   WindowOpenHelper(browser(), host,
                    base_url.Resolve("path2/empty.html"), true);
   LOG(INFO) << "WindowOpenHelper 2.";
-  // TODO(creis): This should open in a new process (i.e., false for the last
-  // argument), but we temporarily avoid swapping processes away from an app
-  // until we're able to support cross-process postMessage calls.
-  // See crbug.com/59285.
+  // This should open in a new process (i.e., false for the last argument).
   WindowOpenHelper(browser(), host,
                    base_url.Resolve("path3/empty.html"), true);
   LOG(INFO) << "WindowOpenHelper 3.";
 
   // Now let's have these pages navigate, into or out of the extension web
   // extent. They should switch processes.
   const GURL& app_url(base_url.Resolve("path1/empty.html"));
   const GURL& non_app_url(base_url.Resolve("path3/empty.html"));
   NavigateTabHelper(browser()->GetTabContentsAt(2), non_app_url);
   LOG(INFO) << "NavigateTabHelper 1.";
   NavigateTabHelper(browser()->GetTabContentsAt(3), app_url);
   LOG(INFO) << "NavigateTabHelper 2.";
-  // TODO(creis): This should swap out of the app's process (i.e., EXPECT_NE),
-  // but we temporarily avoid swapping away from an app in case the window
-  // tries to send a postMessage to the app.  See crbug.com/59285.
-  EXPECT_EQ(host->process(),
+  EXPECT_NE(host->process(),
             browser()->GetTabContentsAt(2)->render_view_host()->process());
   EXPECT_EQ(host->process(),
             browser()->GetTabContentsAt(3)->render_view_host()->process());
 
   // If one of the popup tabs navigates back to the app, window.opener should
   // be valid.
   NavigateTabHelper(browser()->GetTabContentsAt(6), app_url);
   LOG(INFO) << "NavigateTabHelper 3.";
   EXPECT_EQ(host->process(),
             browser()->GetTabContentsAt(6)->render_view_host()->process());
@@ skipping 402 matching lines @@
       content::Source<NavigationController>(
           &browser()->GetSelectedTabContentsWrapper()->controller()));
   browser()->Reload(CURRENT_TAB);
   observer.Wait();
   ASSERT_TRUE(ui_test_utils::ExecuteJavaScriptAndExtractBool(
       contents->render_view_host(), L"",
       L"window.domAutomationController.send(chrome.app.isInstalled)",
       &is_installed));
   ASSERT_TRUE(is_installed);
 }