Enable WebViewTest.NestedGuestContainerBounds for --site-per-process

chrome/browser/apps/guest_view/web_view_browsertest.cc

 // Copyright 2013 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 <queue>
 #include <set>
 #include <utility>
 
 #include "base/callback_helpers.h"
 #include "base/files/file_util.h"
@@ skipping 3303 matching lines @@
   ASSERT_EQ(gvm->num_embedder_processes_destroyed(), 0);
 }
 
 // Ensure that focusing a WebView while it is already focused does not blur the
 // guest content.
 IN_PROC_BROWSER_TEST_P(WebViewTest, Shim_TestFocusWhileFocused) {
   TestHelper("testFocusWhileFocused", "web_view/shim", NO_TEST_SERVER);
 }
 
 IN_PROC_BROWSER_TEST_P(WebViewTest, NestedGuestContainerBounds) {
-  // TODO(lfg): https://crbug.com/581898
-  if (base::FeatureList::IsEnabled(::features::kGuestViewCrossProcessFrames))
-    return;
-
   TestHelper("testPDFInWebview", "web_view/shim", NO_TEST_SERVER);
 
   std::vector<content::WebContents*> guest_web_contents_list;
   GetGuestViewManager()->WaitForNumGuestsCreated(2u);
   GetGuestViewManager()->GetGuestWebContentsList(&guest_web_contents_list);
   ASSERT_EQ(2u, guest_web_contents_list.size());
 
   content::WebContents* web_view_contents = guest_web_contents_list[0];
   content::WebContents* mime_handler_view_contents = guest_web_contents_list[1];
 
@@ skipping 801 matching lines @@
                        ClosingChromeSignInShouldNotCrash) {
   GURL signin_url{"chrome://chrome-signin"};
 
   AddTabAtIndex(0, signin_url, ui::PAGE_TRANSITION_TYPED);
   AddTabAtIndex(1, signin_url, ui::PAGE_TRANSITION_TYPED);
   WaitForWebViewInDom();
 
   chrome::CloseTab(browser());
 }
 #endif