Support window.opener after a process swap.

content/browser/webui/web_ui_unittest.cc

Index: content/browser/webui/web_ui_unittest.cc
diff --git a/content/browser/webui/web_ui_unittest.cc b/content/browser/webui/web_ui_unittest.cc
index 8c777777f18229f755bfb2a8d38c3378b0c74117..333731bd348b05bdf7968f74bd3ed268a3cfd2a0 100644
--- a/content/browser/webui/web_ui_unittest.cc
+++ b/content/browser/webui/web_ui_unittest.cc
@@ -177,19 +177,28 @@ TEST_F(WebUITest, FocusOnNavigate) {
   GURL next_url("http://google.com/");
   int next_page_id = page_id + 1;
   controller().LoadURL(next_url, GURL(), PageTransition::LINK);
+  TestRenderViewHost* old_rvh = rvh();
+  old_rvh->SendShouldCloseACK(true);
   pending_rvh()->SendNavigate(next_page_id, next_url);
+  old_rvh->OnSwapOutACK();
 
   // Navigate back.  Should focus the location bar.
   int focus_called = tc->focus_called();
   ASSERT_TRUE(controller().CanGoBack());
   controller().GoBack();
+  old_rvh = rvh();
+  old_rvh->SendShouldCloseACK(true);
   pending_rvh()->SendNavigate(page_id, new_tab_url);
+  old_rvh->OnSwapOutACK();
   EXPECT_LT(focus_called, tc->focus_called());
 
   // Navigate forward.  Shouldn't focus the location bar.
   focus_called = tc->focus_called();
   ASSERT_TRUE(controller().CanGoForward());
   controller().GoForward();
+  old_rvh = rvh();
+  old_rvh->SendShouldCloseACK(true);
   pending_rvh()->SendNavigate(next_page_id, next_url);
+  old_rvh->OnSwapOutACK();
   EXPECT_EQ(focus_called, tc->focus_called());
 }