PlzNavigate: track pending commits

content/browser/frame_host/render_frame_host_manager_unittest.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 "base/command_line.h"
 #include "base/files/file_path.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/test/histogram_tester.h"
 #include "base/time/time.h"
 #include "content/browser/frame_host/cross_site_transferring_request.h"
@@ skipping 334 matching lines @@
     const GURL kDestUrl("http://www.google.com/");
 
     // Navigate our first tab to a chrome url and then to the destination.
     NavigateActiveAndCommit(kChromeURL);
     TestRenderFrameHost* ntp_rfh = contents()->GetMainFrame();
 
     // Navigate to a cross-site URL.
     contents()->GetController().LoadURL(
         kDestUrl, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
     contents()->GetMainFrame()->PrepareForCommit();
-    EXPECT_TRUE(contents()->cross_navigation_pending());
+    EXPECT_TRUE(contents()->CrossNavigationPending());
 
     // Manually increase the number of active frames in the
     // SiteInstance that ntp_rfh belongs to, to prevent it from being
     // destroyed when it gets swapped out.
     ntp_rfh->GetSiteInstance()->increment_active_frame_count();
 
     TestRenderFrameHost* dest_rfh = contents()->GetPendingMainFrame();
     CHECK(dest_rfh);
     EXPECT_NE(ntp_rfh, dest_rfh);
 
@@ skipping 12 matching lines @@
   RenderFrameHostImpl* GetFrameHostForNavigation(
       RenderFrameHostManager* manager,
       const NavigationEntryImpl& entry) {
     if (base::CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kEnableBrowserSideNavigation)) {
       scoped_ptr<NavigationRequest> navigation_request =
           NavigationRequest::CreateBrowserInitiated(
               manager->frame_tree_node_, entry, FrameMsg_Navigate_Type::NORMAL,
               base::TimeTicks::Now(),
               static_cast<NavigationControllerImpl*>(&controller()));
-      return manager->GetFrameHostForNavigation(*navigation_request);
+      return manager->GetFrameHostForNavigation(*navigation_request, true);
     }
     return manager->Navigate(entry);
   }
 
   // Returns the pending RenderFrameHost.
   // PlzNavigate: returns the speculative RenderFrameHost.
   RenderFrameHostImpl* GetPendingFrameHost(
       RenderFrameHostManager* manager) {
     if (base::CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kEnableBrowserSideNavigation)) {
@@ skipping 27 matching lines @@
   scoped_ptr<TestWebContents> contents2(
       TestWebContents::Create(browser_context(), NULL));
 
   // Load the two URLs in the second tab. Note that the first navigation creates
   // a RFH that's not pending (since there is no cross-site transition), so
   // we use the committed one.
   contents2->GetController().LoadURL(
       kChromeUrl, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
   contents2->GetMainFrame()->PrepareForCommit();
   TestRenderFrameHost* ntp_rfh2 = contents2->GetMainFrame();
-  EXPECT_FALSE(contents2->cross_navigation_pending());
+  EXPECT_FALSE(contents2->CrossNavigationPending());
   ntp_rfh2->SendNavigate(100, kChromeUrl);
 
   // The second one is the opposite, creating a cross-site transition and
   // requiring a beforeunload ack.
   contents2->GetController().LoadURL(
       kDestUrl, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
   contents2->GetMainFrame()->PrepareForCommit();
-  EXPECT_TRUE(contents2->cross_navigation_pending());
+  EXPECT_TRUE(contents2->CrossNavigationPending());
   TestRenderFrameHost* dest_rfh2 = contents2->GetPendingMainFrame();
   ASSERT_TRUE(dest_rfh2);
 
   dest_rfh2->SendNavigate(101, kDestUrl);
 
   // The two RFH's should be different in every way.
   EXPECT_NE(contents()->GetMainFrame()->GetProcess(), dest_rfh2->GetProcess());
   EXPECT_NE(contents()->GetMainFrame()->GetSiteInstance(),
             dest_rfh2->GetSiteInstance());
   EXPECT_FALSE(dest_rfh2->GetSiteInstance()->IsRelatedSiteInstance(
@@ skipping 1060 matching lines @@
   RenderFrameHostManager* manager = web_contents->GetRenderManagerForTesting();
 
   RenderFrameHostImpl* host = NULL;
 
   // 1) The first navigation. --------------------------
   const GURL kUrl1("http://www.google.com/");
   NavigationEntryImpl entry1(
       NULL /* instance */, -1 /* page_id */, kUrl1, Referrer(),
       base::string16() /* title */, ui::PAGE_TRANSITION_TYPED,
       false /* is_renderer_init */);
-  host = manager->Navigate(entry1);
+  host = GetFrameHostForNavigation(manager, entry1);
 
   // The RenderFrameHost created in Init will be reused.
   EXPECT_TRUE(host == manager->current_frame_host());
   EXPECT_FALSE(manager->pending_frame_host());
   EXPECT_EQ(manager->current_frame_host()->GetSiteInstance(), instance);
 
   // Commit.
   manager->DidNavigateFrame(host, true);
   // Commit to SiteInstance should be delayed until RenderFrame commit.
   EXPECT_EQ(host, manager->current_frame_host());
   ASSERT_TRUE(host);
   EXPECT_TRUE(host->GetSiteInstance()->HasSite());
 
   // 2) Navigate to a different domain. -------------------------
   // Guests stay in the same process on navigation.
   const GURL kUrl2("http://www.chromium.org");
   NavigationEntryImpl entry2(
       NULL /* instance */, -1 /* page_id */, kUrl2,
       Referrer(kUrl1, blink::WebReferrerPolicyDefault),
       base::string16() /* title */, ui::PAGE_TRANSITION_LINK,
       true /* is_renderer_init */);
-  host = manager->Navigate(entry2);
+  host = GetFrameHostForNavigation(manager, entry2);
 
   // The RenderFrameHost created in Init will be reused.
   EXPECT_EQ(host, manager->current_frame_host());
   EXPECT_FALSE(manager->pending_frame_host());
 
   // Commit.
   manager->DidNavigateFrame(host, true);
   EXPECT_EQ(host, manager->current_frame_host());
   ASSERT_TRUE(host);
   EXPECT_EQ(host->GetSiteInstance(), instance);
@@ skipping 14 matching lines @@
                           Source<WebContents>(web_contents.get()));
 
   RenderFrameHostManager* manager = web_contents->GetRenderManagerForTesting();
 
   // 1) The first navigation. --------------------------
   const GURL kUrl1("http://www.google.com/");
   NavigationEntryImpl entry1(NULL /* instance */, -1 /* page_id */, kUrl1,
                              Referrer(), base::string16() /* title */,
                              ui::PAGE_TRANSITION_TYPED,
                              false /* is_renderer_init */);
-  RenderFrameHostImpl* host = manager->Navigate(entry1);
+  RenderFrameHostImpl* host = GetFrameHostForNavigation(manager, entry1);
 
   // The RenderFrameHost created in Init will be reused.
   EXPECT_EQ(host, manager->current_frame_host());
-  EXPECT_FALSE(manager->pending_frame_host());
+  EXPECT_FALSE(GetPendingFrameHost(manager));
 
   // We should observe a notification.
   EXPECT_TRUE(
       notifications.Check1AndReset(NOTIFICATION_RENDER_VIEW_HOST_CHANGED));
   notifications.Reset();
 
   // Commit.
   manager->DidNavigateFrame(host, true);
 
   // Commit to SiteInstance should be delayed until RenderFrame commits.
   EXPECT_EQ(host, manager->current_frame_host());
   EXPECT_FALSE(host->GetSiteInstance()->HasSite());
   host->GetSiteInstance()->SetSite(kUrl1);
 
   // 2) Cross-site navigate to next site. -------------------------
   const GURL kUrl2("http://www.example.com");
   NavigationEntryImpl entry2(
       NULL /* instance */, -1 /* page_id */, kUrl2, Referrer(),
       base::string16() /* title */, ui::PAGE_TRANSITION_TYPED,
       false /* is_renderer_init */);
-  RenderFrameHostImpl* host2 = manager->Navigate(entry2);
+  RenderFrameHostImpl* host2 = GetFrameHostForNavigation(manager, entry2);
 
   // A new RenderFrameHost should be created.
-  ASSERT_EQ(host2, manager->pending_frame_host());
+  ASSERT_EQ(host2, GetPendingFrameHost(manager));
   EXPECT_NE(host2, host);
 
   EXPECT_EQ(host, manager->current_frame_host());
   EXPECT_FALSE(manager->current_frame_host()->is_swapped_out());
-  EXPECT_EQ(host2, manager->pending_frame_host());
+  EXPECT_EQ(host2, GetPendingFrameHost(manager));
 
   // 3) Close the tab. -------------------------
   notifications.ListenFor(NOTIFICATION_RENDER_WIDGET_HOST_DESTROYED,
                           Source<RenderWidgetHost>(host2->render_view_host()));
   manager->OnBeforeUnloadACK(false, true, base::TimeTicks());
 
   EXPECT_TRUE(
       notifications.Check1AndReset(NOTIFICATION_RENDER_WIDGET_HOST_DESTROYED));
-  EXPECT_FALSE(manager->pending_frame_host());
+  EXPECT_FALSE(GetPendingFrameHost(manager));
   EXPECT_EQ(host, manager->current_frame_host());
 }
 
 TEST_F(RenderFrameHostManagerTest, CloseWithPendingWhileUnresponsive) {
   const GURL kUrl1("http://www.google.com/");
   const GURL kUrl2("http://www.chromium.org/");
 
   CloseWebContentsDelegate close_delegate;
   contents()->SetDelegate(&close_delegate);
 
   // Navigate to the first page.
   contents()->NavigateAndCommit(kUrl1);
   TestRenderFrameHost* rfh1 = contents()->GetMainFrame();
 
   // Start to close the tab, but assume it's unresponsive.
   rfh1->render_view_host()->ClosePage();
   EXPECT_TRUE(rfh1->render_view_host()->is_waiting_for_close_ack());
 
   // Start a navigation to a new site.
   controller().LoadURL(
       kUrl2, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
         switches::kEnableBrowserSideNavigation)) {
     rfh1->PrepareForCommit();
   }
-  EXPECT_TRUE(contents()->cross_navigation_pending());
+  EXPECT_TRUE(contents()->CrossNavigationPending());
 
   // Simulate the unresponsiveness timer.  The tab should close.
   contents()->RendererUnresponsive(rfh1->render_view_host());
   EXPECT_TRUE(close_delegate.is_closed());
 }
 
 // Tests that the RenderFrameHost is properly deleted when the SwapOutACK is
 // received.  (SwapOut and the corresponding ACK always occur after commit.)
 // Also tests that an early SwapOutACK is properly ignored.
 TEST_F(RenderFrameHostManagerTest, DeleteFrameAfterSwapOutACK) {
   const GURL kUrl1("http://www.google.com/");
   const GURL kUrl2("http://www.chromium.org/");
 
   // Navigate to the first page.
   contents()->NavigateAndCommit(kUrl1);
   TestRenderFrameHost* rfh1 = contents()->GetMainFrame();
   RenderFrameHostDeletedObserver rfh_deleted_observer(rfh1);
   EXPECT_EQ(RenderFrameHostImpl::STATE_DEFAULT, rfh1->rfh_state());
 
   // Navigate to new site, simulating onbeforeunload approval.
   controller().LoadURL(
       kUrl2, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
   contents()->GetMainFrame()->PrepareForCommit();
-  EXPECT_TRUE(contents()->cross_navigation_pending());
+  EXPECT_TRUE(contents()->CrossNavigationPending());
   EXPECT_EQ(RenderFrameHostImpl::STATE_DEFAULT, rfh1->rfh_state());
   TestRenderFrameHost* rfh2 = contents()->GetPendingMainFrame();
 
   // Simulate the swap out ack, unexpectedly early (before commit).  It should
   // have no effect.
   rfh1->OnSwappedOut();
-  EXPECT_TRUE(contents()->cross_navigation_pending());
+  EXPECT_TRUE(contents()->CrossNavigationPending());
   EXPECT_EQ(RenderFrameHostImpl::STATE_DEFAULT, rfh1->rfh_state());
 
   // The new page commits.
   contents()->TestDidNavigate(rfh2, 1, kUrl2, ui::PAGE_TRANSITION_TYPED);
-  EXPECT_FALSE(contents()->cross_navigation_pending());
+  EXPECT_FALSE(contents()->CrossNavigationPending());
   EXPECT_EQ(rfh2, contents()->GetMainFrame());
   EXPECT_TRUE(contents()->GetPendingMainFrame() == NULL);
   EXPECT_EQ(RenderFrameHostImpl::STATE_DEFAULT, rfh2->rfh_state());
   EXPECT_EQ(RenderFrameHostImpl::STATE_PENDING_SWAP_OUT, rfh1->rfh_state());
   EXPECT_TRUE(
       rfh1->frame_tree_node()->render_manager()->IsPendingDeletion(rfh1));
 
   // Simulate the swap out ack.
   rfh1->OnSwappedOut();
 
@@ skipping 15 matching lines @@
   EXPECT_EQ(RenderFrameHostImpl::STATE_DEFAULT, rfh1->rfh_state());
 
   // Increment the number of active frames in SiteInstanceImpl so that rfh1 is
   // not deleted on swap out.
   rfh1->GetSiteInstance()->increment_active_frame_count();
 
   // Navigate to new site, simulating onbeforeunload approval.
   controller().LoadURL(
       kUrl2, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
   contents()->GetMainFrame()->PrepareForCommit();
-  EXPECT_TRUE(contents()->cross_navigation_pending());
+  EXPECT_TRUE(contents()->CrossNavigationPending());
   EXPECT_EQ(RenderFrameHostImpl::STATE_DEFAULT, rfh1->rfh_state());
   TestRenderFrameHost* rfh2 = contents()->GetPendingMainFrame();
 
   // The new page commits.
   contents()->TestDidNavigate(rfh2, 1, kUrl2, ui::PAGE_TRANSITION_TYPED);
-  EXPECT_FALSE(contents()->cross_navigation_pending());
+  EXPECT_FALSE(contents()->CrossNavigationPending());
   EXPECT_EQ(rfh2, contents()->GetMainFrame());
   EXPECT_TRUE(contents()->GetPendingMainFrame() == NULL);
   EXPECT_EQ(RenderFrameHostImpl::STATE_DEFAULT, rfh2->rfh_state());
   EXPECT_EQ(RenderFrameHostImpl::STATE_PENDING_SWAP_OUT, rfh1->rfh_state());
 
   // Simulate the swap out ack.
   rfh1->OnSwappedOut();
 
   // rfh1 should be swapped out.
   EXPECT_FALSE(rfh_deleted_observer.deleted());
@@ skipping 16 matching lines @@
   EXPECT_EQ(RenderFrameHostImpl::STATE_DEFAULT, rfh1->rfh_state());
 
   // Increment the number of active frames in SiteInstanceImpl so that rfh1 is
   // not deleted on swap out.
   rfh1->GetSiteInstance()->increment_active_frame_count();
 
   // Navigate to new site, simulating onbeforeunload approval.
   controller().LoadURL(
       kUrl2, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
   rfh1->PrepareForCommit();
-  EXPECT_TRUE(contents()->cross_navigation_pending());
+  EXPECT_TRUE(contents()->CrossNavigationPending());
   TestRenderFrameHost* rfh2 = contents()->GetPendingMainFrame();
 
   // The new page commits.
   contents()->TestDidNavigate(rfh2, 1, kUrl2, ui::PAGE_TRANSITION_TYPED);
-  EXPECT_FALSE(contents()->cross_navigation_pending());
+  EXPECT_FALSE(contents()->CrossNavigationPending());
   EXPECT_EQ(rfh2, contents()->GetMainFrame());
   EXPECT_TRUE(contents()->GetPendingMainFrame() == NULL);
   EXPECT_EQ(RenderFrameHostImpl::STATE_DEFAULT, rfh2->rfh_state());
   EXPECT_EQ(RenderFrameHostImpl::STATE_PENDING_SWAP_OUT, rfh1->rfh_state());
 
   // Simulate the swap out ack.
   rfh1->OnSwappedOut();
 
   // rfh1 should be swapped out.
   EXPECT_FALSE(rfh_deleted_observer.deleted());
@@ skipping 18 matching lines @@
   controller().LoadURL(
       kUrl2, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
   {
     pending_rfh = contents()->GetFrameTree()->root()->render_manager()
         ->pending_frame_host();
     RenderFrameHostDeletedObserver rfh_deleted_observer(pending_rfh);
 
     // Cancel the navigation by simulating a declined beforeunload dialog.
     contents()->GetMainFrame()->OnMessageReceived(
         FrameHostMsg_BeforeUnload_ACK(0, false, now, now));
-    EXPECT_FALSE(contents()->cross_navigation_pending());
+    EXPECT_FALSE(contents()->CrossNavigationPending());
 
     // Since the pending RFH is the only one for the new SiteInstance, it should
     // be deleted.
     EXPECT_TRUE(rfh_deleted_observer.deleted());
   }
 
   // Start another cross-site navigation.
   controller().LoadURL(
       kUrl2, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
   {
     pending_rfh = contents()->GetFrameTree()->root()->render_manager()
         ->pending_frame_host();
     RenderFrameHostDeletedObserver rfh_deleted_observer(pending_rfh);
 
     // Increment the number of active frames in the new SiteInstance, which will
     // cause the pending RFH to be swapped out instead of deleted.
     pending_rfh->GetSiteInstance()->increment_active_frame_count();
 
     contents()->GetMainFrame()->OnMessageReceived(
         FrameHostMsg_BeforeUnload_ACK(0, false, now, now));
-    EXPECT_FALSE(contents()->cross_navigation_pending());
+    EXPECT_FALSE(contents()->CrossNavigationPending());
     EXPECT_FALSE(rfh_deleted_observer.deleted());
   }
 }
 
 // Test that a pending RenderFrameHost in a non-root frame tree node is properly
 // deleted when the node is detached. Motivated by http://crbug.com/441357
 TEST_F(RenderFrameHostManagerTest, DetachPendingChild) {
   base::CommandLine::ForCurrentProcess()->AppendSwitch(
       switches::kSitePerProcess);
 
@@ skipping 32 matching lines @@
                              Referrer(kUrl1, blink::WebReferrerPolicyDefault),
                              base::string16() /* title */,
                              ui::PAGE_TRANSITION_LINK,
                              false /* is_renderer_init */);
   host = GetFrameHostForNavigation(manager, entry2);
 
   // A new RenderFrameHost should be created.
   EXPECT_TRUE(GetPendingFrameHost(manager));
   ASSERT_EQ(host, GetPendingFrameHost(manager));
   ASSERT_NE(manager->current_frame_host(), GetPendingFrameHost(manager));
-  EXPECT_FALSE(contents()->cross_navigation_pending())
+  EXPECT_FALSE(contents()->CrossNavigationPending())
       << "There should be no top-level pending navigation.";
 
   RenderFrameHostDeletedObserver delete_watcher(GetPendingFrameHost(manager));
   EXPECT_FALSE(delete_watcher.deleted());
 
   // Extend the lifetime of the child frame's SiteInstance, pretending
   // that there is another reference to it.
   scoped_refptr<SiteInstanceImpl> site_instance =
       GetPendingFrameHost(manager)->GetSiteInstance();
   EXPECT_TRUE(site_instance->HasSite());
@@ skipping 14 matching lines @@
 #if 0
   // TODO(nick): Currently a proxy to the removed frame lingers in the parent.
   // Enable this assert below once the proxies to the subframe are correctly
   // cleaned up after detach. http://crbug.com/444955.
   ASSERT_TRUE(site_instance->HasOneRef())
       << "This SiteInstance should be destroyable now.";
 #endif
 }
 
 }  // namespace content