Disable support for swapped out RenderFrame(Host) on desktop.

content/browser/frame_host/render_frame_host_manager_browsertest.cc

Index: content/browser/frame_host/render_frame_host_manager_browsertest.cc
diff --git a/content/browser/frame_host/render_frame_host_manager_browsertest.cc b/content/browser/frame_host/render_frame_host_manager_browsertest.cc
index 1f793985d736e0a486add35ec67cf128be56ec7c..fa5788e4d5c0b996e7687888df49790430ebaec7 100644
--- a/content/browser/frame_host/render_frame_host_manager_browsertest.cc
+++ b/content/browser/frame_host/render_frame_host_manager_browsertest.cc
@@ -506,15 +506,19 @@ IN_PROC_BROWSER_TEST_F(RenderFrameHostManagerTest, MAYBE_DisownOpener) {
   EXPECT_TRUE(new_shell->web_contents()->HasOpener());
 
   // Now disown the opener.
+  LOG(ERROR) << ">>> Disowning opener";
   EXPECT_TRUE(ExecuteScript(new_shell->web_contents(),
                             "window.opener = null;"));
+  LOG(ERROR) << ">>> Disowning opener - complete";
   EXPECT_FALSE(new_shell->web_contents()->HasOpener());
 
   // Go back and ensure the opener is still null.
   {
     TestNavigationObserver back_nav_load_observer(new_shell->web_contents());
+    LOG(ERROR) << "Navigating back.";
     new_shell->web_contents()->GetController().GoBack();
     back_nav_load_observer.Wait();
+    LOG(ERROR) << "Navigating back - complete!";
   }
   success = false;
   EXPECT_TRUE(ExecuteScriptAndExtractBool(
@@ -525,7 +529,9 @@ IN_PROC_BROWSER_TEST_F(RenderFrameHostManagerTest, MAYBE_DisownOpener) {
   EXPECT_FALSE(new_shell->web_contents()->HasOpener());
 
   // Now navigate forward again (creating a new process) and check opener.
+  LOG(ERROR) << "Navigating forward.";
   NavigateToURL(new_shell, GetCrossSiteURL("files/title1.html"));
+  LOG(ERROR) << "Navigating forward - complete!";
   success = false;
   EXPECT_TRUE(ExecuteScriptAndExtractBool(
       new_shell->web_contents(),
@@ -1368,17 +1374,22 @@ IN_PROC_BROWSER_TEST_F(RenderFrameHostManagerTest,
   EXPECT_EQ(orig_site_instance.get(),
             new_shell->web_contents()->GetSiteInstance());
 
+  LOG(ERROR) << "Navigating new_shell cross-process";
   // 2. Send the second tab to a different process.
   NavigateToURL(new_shell, GetCrossSiteURL("files/title1.html"));
+  LOG(ERROR) << "Navigating new_shell cross-process - complete";
   scoped_refptr<SiteInstance> new_site_instance(
       new_shell->web_contents()->GetSiteInstance());
   EXPECT_NE(orig_site_instance, new_site_instance);
 
   // 3. Send the first tab to the second tab's process.
+  LOG(ERROR) << "Navigating shell cross-process";
   NavigateToURL(shell(), GetCrossSiteURL("files/title1.html"));
+  LOG(ERROR) << "Navigating shell cross-process - complete";
 
   // Make sure it ends up at the right page.
   WaitForLoadStop(shell()->web_contents());
+  LOG(ERROR) << "Waiting for load stop, complete";
   EXPECT_EQ(GetCrossSiteURL("files/title1.html"),
             shell()->web_contents()->GetLastCommittedURL());
   EXPECT_EQ(new_site_instance.get(),