Support window.opener after a process swap.

chrome/browser/tab_contents/web_contents_unittest.cc

Index: chrome/browser/tab_contents/web_contents_unittest.cc
diff --git a/chrome/browser/tab_contents/web_contents_unittest.cc b/chrome/browser/tab_contents/web_contents_unittest.cc
index cc26c776306b5b2904ef7725ce9a860c7cf2895d..928a62d5bd0c8bde5eb2775b8bb8da302096bbe0 100644
--- a/chrome/browser/tab_contents/web_contents_unittest.cc
+++ b/chrome/browser/tab_contents/web_contents_unittest.cc
@@ -317,6 +317,11 @@ TEST_F(TabContentsTest, CrossSiteBoundaries) {
   int pending_rvh_delete_count = 0;
   pending_rvh->set_delete_counter(&pending_rvh_delete_count);
 
+  // Navigations should be suspended in pending_rvh until ShouldCloseACK.
+  EXPECT_TRUE(pending_rvh->are_navigations_suspended());
+  orig_rvh->SendShouldCloseACK(true);
+  EXPECT_FALSE(pending_rvh->are_navigations_suspended());
+
   // DidNavigate from the pending page
   ViewHostMsg_FrameNavigate_Params params2;
   InitNavigateParams(&params2, 1, url2);
@@ -327,20 +332,36 @@ TEST_F(TabContentsTest, CrossSiteBoundaries) {
   EXPECT_EQ(pending_rvh, contents()->render_view_host());
   EXPECT_NE(instance1, instance2);
   EXPECT_TRUE(contents()->pending_rvh() == NULL);
-  EXPECT_EQ(orig_rvh_delete_count, 1);
+  // We keep the original RVH around, swapped out.
+  EXPECT_TRUE(contents()->render_manager()->IsSwappedOut(orig_rvh));
+  EXPECT_EQ(orig_rvh_delete_count, 0);
 
   // Going back should switch SiteInstances again.  The first SiteInstance is
   // stored in the NavigationEntry, so it should be the same as at the start.
+  // We should use the same RVH as before, swapping it back in.
   controller().GoBack();
   TestRenderViewHost* goback_rvh = contents()->pending_rvh();
+  EXPECT_EQ(orig_rvh, goback_rvh);
   EXPECT_TRUE(contents()->cross_navigation_pending());
 
+  // Navigations should be suspended in goback_rvh until ShouldCloseACK.
+  EXPECT_TRUE(goback_rvh->are_navigations_suspended());
+  pending_rvh->SendShouldCloseACK(true);
+  EXPECT_FALSE(goback_rvh->are_navigations_suspended());
+
   // DidNavigate from the back action
   contents()->TestDidNavigate(goback_rvh, params1);
   EXPECT_FALSE(contents()->cross_navigation_pending());
   EXPECT_EQ(goback_rvh, contents()->render_view_host());
-  EXPECT_EQ(pending_rvh_delete_count, 1);
   EXPECT_EQ(instance1, contents()->GetSiteInstance());
+  // The pending RVH should now be swapped out, not deleted.
+  EXPECT_TRUE(contents()->render_manager()->IsSwappedOut(pending_rvh));
+  EXPECT_EQ(pending_rvh_delete_count, 0);
+
+  // Close tab and ensure RVHs are deleted.
+  DeleteContents();
+  EXPECT_EQ(orig_rvh_delete_count, 1);
+  EXPECT_EQ(pending_rvh_delete_count, 1);
 }
 
 // Test that navigating across a site boundary after a crash creates a new
@@ -372,7 +393,8 @@ TEST_F(TabContentsTest, CrossSiteBoundariesAfterCrash) {
   EXPECT_FALSE(contents()->cross_navigation_pending());
   EXPECT_TRUE(contents()->pending_rvh() == NULL);
   EXPECT_NE(orig_rvh, new_rvh);
-  EXPECT_EQ(orig_rvh_delete_count, 1);
+  EXPECT_TRUE(contents()->render_manager()->IsSwappedOut(orig_rvh));
+  EXPECT_EQ(orig_rvh_delete_count, 0);
 
   // DidNavigate from the new page
   ViewHostMsg_FrameNavigate_Params params2;
@@ -384,6 +406,10 @@ TEST_F(TabContentsTest, CrossSiteBoundariesAfterCrash) {
   EXPECT_EQ(new_rvh, rvh());
   EXPECT_NE(instance1, instance2);
   EXPECT_TRUE(contents()->pending_rvh() == NULL);
+
+  // Close tab and ensure RVHs are deleted.
+  DeleteContents();
+  EXPECT_EQ(orig_rvh_delete_count, 1);
 }
 
 // Test that opening a new tab in the same SiteInstance and then navigating
@@ -412,6 +438,7 @@ TEST_F(TabContentsTest, NavigateTwoTabsCrossSite) {
   // Navigate first tab to a new site
   const GURL url2a("http://www.yahoo.com");
   controller().LoadURL(url2a, GURL(), PageTransition::TYPED);
+  orig_rvh->SendShouldCloseACK(true);
   TestRenderViewHost* pending_rvh_a = contents()->pending_rvh();
   ViewHostMsg_FrameNavigate_Params params2a;
   InitNavigateParams(&params2a, 1, url2a);
@@ -422,6 +449,9 @@ TEST_F(TabContentsTest, NavigateTwoTabsCrossSite) {
   // Navigate second tab to the same site as the first tab
   const GURL url2b("http://mail.yahoo.com");
   contents2.controller().LoadURL(url2b, GURL(), PageTransition::TYPED);
+  TestRenderViewHost* rvh2 =
+      static_cast<TestRenderViewHost*>(contents2.render_view_host());
+  rvh2->SendShouldCloseACK(true);
   TestRenderViewHost* pending_rvh_b = contents2.pending_rvh();
   EXPECT_TRUE(pending_rvh_b != NULL);
   EXPECT_TRUE(contents2.cross_navigation_pending());