Classify navigations without page id in parallel to the existing classifier.

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 244 matching lines @@
   void set_should_create_webui(bool should_create_webui) {
     factory_.set_should_create_webui(should_create_webui);
   }
 
   void NavigateActiveAndCommit(const GURL& url) {
     // Note: we navigate the active RenderFrameHost because previous navigations
     // won't have committed yet, so NavigateAndCommit does the wrong thing
     // for us.
     controller().LoadURL(
         url, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
+    int entry_id = controller().GetPendingEntry()->GetUniqueID();
 
     // Simulate the BeforeUnload_ACK that is received from the current renderer
     // for a cross-site navigation.
     // PlzNavigate: it is necessary to call PrepareForCommit before getting the
     // main and the pending frame because when we are trying to navigate to a
     // WebUI from a new tab, a RenderFrameHost is created to display it that is
     // committed immediately (since it is a new tab). Therefore the main frame
     // is replaced without a pending frame being created, and we don't get the
     // right values for the RFH to navigate: we try to use the old one that has
     // been deleted in the meantime.
     contents()->GetMainFrame()->PrepareForCommit();
 
     TestRenderFrameHost* old_rfh = contents()->GetMainFrame();
     TestRenderFrameHost* active_rfh = contents()->GetPendingMainFrame()
                                           ? contents()->GetPendingMainFrame()
                                           : old_rfh;
     EXPECT_EQ(RenderFrameHostImpl::STATE_DEFAULT, old_rfh->rfh_state());
 
     // Commit the navigation with a new page ID.
     int32 max_page_id = contents()->GetMaxPageIDForSiteInstance(
         active_rfh->GetSiteInstance());
 
     // Use an observer to avoid accessing a deleted renderer later on when the
     // state is being checked.
     RenderFrameHostDeletedObserver rfh_observer(old_rfh);
     RenderViewHostDeletedObserver rvh_observer(old_rfh->GetRenderViewHost());
-    active_rfh->SendNavigate(max_page_id + 1, url);
+    active_rfh->SendNavigate(max_page_id + 1, entry_id, true, url);
 
     // Make sure that we start to run the unload handler at the time of commit.
     bool expecting_rfh_shutdown = false;
     if (old_rfh != active_rfh && !rfh_observer.deleted()) {
       EXPECT_EQ(RenderFrameHostImpl::STATE_PENDING_SWAP_OUT,
                 old_rfh->rfh_state());
       if (!old_rfh->GetSiteInstance()->active_frame_count()) {
         expecting_rfh_shutdown = true;
         EXPECT_TRUE(
             old_rfh->frame_tree_node()->render_manager()->IsPendingDeletion(
@@ skipping 42 matching lines @@
     const GURL kChromeURL("chrome://foo");
     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());
+    int entry_id = contents()->GetController().GetPendingEntry()->GetUniqueID();
     contents()->GetMainFrame()->PrepareForCommit();
     EXPECT_TRUE(contents()->cross_navigation_pending());
 
     // 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);
 
     // BeforeUnload finishes.
     ntp_rfh->SendBeforeUnloadACK(true);
 
-    dest_rfh->SendNavigate(101, kDestUrl);
+    dest_rfh->SendNavigate(101, entry_id, true, kDestUrl);
     ntp_rfh->OnSwappedOut();
 
     EXPECT_TRUE(ntp_rfh->is_swapped_out());
     return ntp_rfh;
   }
 
   // Returns the RenderFrameHost that should be used in the navigation to
   // |entry|.
   RenderFrameHostImpl* GetFrameHostForNavigation(
       RenderFrameHostManager* manager,
@@ skipping 62 matching lines @@
 
   // Make a second tab.
   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());
+  int entry_id = contents2->GetController().GetPendingEntry()->GetUniqueID();
   contents2->GetMainFrame()->PrepareForCommit();
   TestRenderFrameHost* ntp_rfh2 = contents2->GetMainFrame();
   EXPECT_FALSE(contents2->cross_navigation_pending());
-  ntp_rfh2->SendNavigate(100, kChromeUrl);
+  ntp_rfh2->SendNavigate(100, entry_id, true, 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());
+  entry_id = contents2->GetController().GetPendingEntry()->GetUniqueID();
   contents2->GetMainFrame()->PrepareForCommit();
   EXPECT_TRUE(contents2->cross_navigation_pending());
   TestRenderFrameHost* dest_rfh2 = contents2->GetPendingMainFrame();
   ASSERT_TRUE(dest_rfh2);
 
-  dest_rfh2->SendNavigate(101, kDestUrl);
+  dest_rfh2->SendNavigate(101, entry_id, true, 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(
                    contents()->GetMainFrame()->GetSiteInstance()));
 
   // Navigate both to the new tab page, and verify that they share a
   // RenderProcessHost (not a SiteInstance).
   NavigateActiveAndCommit(kChromeUrl);
   EXPECT_FALSE(contents()->GetPendingMainFrame());
 
   contents2->GetController().LoadURL(
       kChromeUrl, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
+  entry_id = contents2->GetController().GetPendingEntry()->GetUniqueID();
   contents2->GetMainFrame()->PrepareForCommit();
-  contents2->GetPendingMainFrame()->SendNavigate(102, kChromeUrl);
+  contents2->GetPendingMainFrame()->SendNavigate(102, entry_id, true,
+                                                 kChromeUrl);
 
   EXPECT_NE(contents()->GetMainFrame()->GetSiteInstance(),
             contents2->GetMainFrame()->GetSiteInstance());
   EXPECT_EQ(contents()->GetMainFrame()->GetSiteInstance()->GetProcess(),
             contents2->GetMainFrame()->GetSiteInstance()->GetProcess());
 }
 
 // Ensure that the browser ignores most IPC messages that arrive from a
 // RenderViewHost that has been swapped out.  We do not want to take
 // action on requests from a non-active renderer.  The main exception is
@@ skipping 312 matching lines @@
   // navigation will reuse the SiteInstance created by Init(), and the second
   // one will create a new SiteInstance. Because current_instance and
   // new_instance will be different, a new RenderViewHost will be created for
   // the second navigation. We have to avoid this in order to exercise the
   // target code patch.
   NavigateActiveAndCommit(kChromeUrl);
 
   // Navigate.
   controller().LoadURL(
       kUrl, Referrer(), ui::PAGE_TRANSITION_TYPED, std::string());
+  int entry_id = controller().GetPendingEntry()->GetUniqueID();
   // Simulate response from RenderFrame for DispatchBeforeUnload.
   contents()->GetMainFrame()->PrepareForCommit();
   ASSERT_TRUE(contents()->GetPendingMainFrame())
       << "Expected new pending RenderFrameHost to be created.";
   RenderFrameHost* last_rfh = contents()->GetPendingMainFrame();
   int32 new_id =
       contents()->GetMaxPageIDForSiteInstance(last_rfh->GetSiteInstance()) + 1;
-  contents()->GetPendingMainFrame()->SendNavigate(new_id, kUrl);
+  contents()->GetPendingMainFrame()->SendNavigate(new_id, entry_id, true, kUrl);
   EXPECT_EQ(controller().GetLastCommittedEntryIndex(), 1);
   ASSERT_TRUE(controller().GetLastCommittedEntry());
   EXPECT_TRUE(kUrl == controller().GetLastCommittedEntry()->GetURL());
   EXPECT_FALSE(controller().GetPendingEntry());
   // Because we're using TestWebContents and TestRenderViewHost in this
   // unittest, no one calls WebContentsImpl::RenderViewCreated(). So, we see no
   // EnableViewSourceMode message, here.
 
   // Clear queued messages before load.
   process()->sink().ClearMessages();
   // Navigate, again.
   controller().LoadURL(
       kUrl, Referrer(), ui::PAGE_TRANSITION_TYPED, std::string());
+  entry_id = controller().GetPendingEntry()->GetUniqueID();
   contents()->GetMainFrame()->PrepareForCommit();
   // The same RenderViewHost should be reused.
   EXPECT_FALSE(contents()->GetPendingMainFrame());
   EXPECT_TRUE(last_rfh == contents()->GetMainFrame());
   // Navigate using the returned page_id.
-  contents()->GetMainFrame()->SendNavigate(new_id, kUrl);
+  contents()->GetMainFrame()->SendNavigate(new_id, entry_id, false, kUrl);
   EXPECT_EQ(controller().GetLastCommittedEntryIndex(), 1);
   EXPECT_FALSE(controller().GetPendingEntry());
   // New message should be sent out to make sure to enter view-source mode.
   EXPECT_TRUE(process()->sink().GetUniqueMessageMatching(
       ViewMsg_EnableViewSourceMode::ID));
 }
 
 // Tests the Init function by checking the initial RenderViewHost.
 TEST_F(RenderFrameHostManagerTest, Init) {
   // Using TestBrowserContext.
@@ skipping 244 matching lines @@
   contents()->GetMainFrame()->PrepareForCommit();
   // We should have a new pending RFH.
   // Note that in this case, the navigation has not committed, so evil_rfh will
   // not be deleted yet.
   EXPECT_NE(evil_rfh, contents()->GetPendingMainFrame());
   EXPECT_NE(evil_rfh->GetRenderViewHost(),
             contents()->GetPendingMainFrame()->GetRenderViewHost());
 
   // Before that RFH has committed, the evil page reloads itself.
   FrameHostMsg_DidCommitProvisionalLoad_Params params;
-  params.page_id = 1;
+  params.page_id = 0;
+  params.nav_entry_id = 0;
+  params.did_create_new_entry = false;
   params.url = kUrl2;
   params.transition = ui::PAGE_TRANSITION_CLIENT_REDIRECT;
   params.should_update_history = false;
   params.gesture = NavigationGestureAuto;
   params.was_within_same_page = false;
   params.is_post = false;
   params.page_state = PageState::CreateFromURL(kUrl2);
 
   contents()->GetFrameTree()->root()->navigator()->DidNavigate(evil_rfh,
                                                                params);
@@ skipping 59 matching lines @@
   // Now go back, but suppose the SwapOut_ACK isn't received.  This shouldn't
   // happen, but we have seen it when going back quickly across many entries
   // (http://crbug.com/93427).
   contents()->GetController().GoBack();
   EXPECT_TRUE(rfh2->IsWaitingForBeforeUnloadACK());
   contents()->GetMainFrame()->PrepareForCommit();
   EXPECT_FALSE(rfh2->IsWaitingForBeforeUnloadACK());
 
   // The back navigation commits.
   const NavigationEntry* entry1 = contents()->GetController().GetPendingEntry();
-  rfh1->SendNavigate(entry1->GetPageID(), entry1->GetURL());
+  rfh1->SendNavigate(entry1->GetPageID(), entry1->GetUniqueID(), false,
+                     entry1->GetURL());
   EXPECT_TRUE(rfh2->IsWaitingForUnloadACK());
   EXPECT_EQ(RenderFrameHostImpl::STATE_PENDING_SWAP_OUT, rfh2->rfh_state());
 
   // We should be able to navigate forward.
   contents()->GetController().GoForward();
   contents()->GetMainFrame()->PrepareForCommit();
   const NavigationEntry* entry2 = contents()->GetController().GetPendingEntry();
-  rfh2->SendNavigate(entry2->GetPageID(), entry2->GetURL());
+  rfh2->SendNavigate(entry2->GetPageID(), entry2->GetUniqueID(), false,
+                     entry2->GetURL());
   EXPECT_EQ(rfh2, main_test_rfh());
   EXPECT_EQ(RenderFrameHostImpl::STATE_DEFAULT, rfh2->rfh_state());
   EXPECT_EQ(RenderFrameHostImpl::STATE_PENDING_SWAP_OUT, rfh1->rfh_state());
   rfh1->OnSwappedOut();
   EXPECT_TRUE(rfh1->is_swapped_out());
   EXPECT_EQ(RenderFrameHostImpl::STATE_SWAPPED_OUT, rfh1->rfh_state());
 }
 
 // Test that we create swapped out RFHs for the opener chain when navigating an
 // opened tab cross-process.  This allows us to support certain cross-process
@@ skipping 158 matching lines @@
   contents()->GetMainFrame()->PrepareForCommit();
 
   // Disown the opener from rfh2.
   rfh2->DidDisownOpener();
 
   // Ensure the opener is cleared.
   EXPECT_FALSE(contents()->HasOpener());
 
   // The back navigation commits.
   const NavigationEntry* entry1 = contents()->GetController().GetPendingEntry();
-  rfh1->SendNavigate(entry1->GetPageID(), entry1->GetURL());
+  rfh1->SendNavigate(entry1->GetPageID(), entry1->GetUniqueID(), false,
+                     entry1->GetURL());
 
   // Ensure the opener is still cleared.
   EXPECT_FALSE(contents()->HasOpener());
 }
 
 // Test that a page can disown the opener just after a cross-process navigation
 // commits.
 TEST_F(RenderFrameHostManagerTest, DisownOpenerAfterNavigation) {
   const GURL kUrl1("http://www.google.com/");
   const GURL kUrl2("http://www.chromium.org/");
@@ skipping 12 matching lines @@
   // BrowsingInstance).
   contents()->NavigateAndCommit(kUrl2);
   TestRenderFrameHost* rfh2 = main_test_rfh();
   EXPECT_NE(rfh1->GetSiteInstance(), rfh2->GetSiteInstance());
 
   // Commit a back navigation before the DidDisownOpener message arrives.
   // rfh1 will be kept alive because of the opener tab.
   contents()->GetController().GoBack();
   contents()->GetMainFrame()->PrepareForCommit();
   const NavigationEntry* entry1 = contents()->GetController().GetPendingEntry();
-  rfh1->SendNavigate(entry1->GetPageID(), entry1->GetURL());
+  rfh1->SendNavigate(entry1->GetPageID(), entry1->GetUniqueID(), false,
+                     entry1->GetURL());
 
   // Disown the opener from rfh2.
   rfh2->DidDisownOpener();
   EXPECT_FALSE(contents()->HasOpener());
 }
 
 // Test that we clean up swapped out RenderViewHosts when a process hosting
 // those associated RenderViews crashes. http://crbug.com/258993
 TEST_F(RenderFrameHostManagerTest, CleanUpSwappedOutRVHOnProcessCrash) {
   const GURL kUrl1("http://www.google.com/");
@@ skipping 253 matching lines @@
 
   // 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());
+  int entry_id = controller().GetPendingEntry()->GetUniqueID();
   contents()->GetMainFrame()->PrepareForCommit();
   EXPECT_TRUE(contents()->cross_navigation_pending());
   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_EQ(RenderFrameHostImpl::STATE_DEFAULT, rfh1->rfh_state());
 
   // The new page commits.
-  contents()->TestDidNavigate(rfh2, 1, kUrl2, ui::PAGE_TRANSITION_TYPED);
+  contents()->TestDidNavigate(rfh2, 1, entry_id, true, kUrl2,
+                              ui::PAGE_TRANSITION_TYPED);
   EXPECT_FALSE(contents()->cross_navigation_pending());
   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 @@
   RenderFrameHostDeletedObserver rfh_deleted_observer(rfh1);
   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());
+  int entry_id = controller().GetPendingEntry()->GetUniqueID();
   contents()->GetMainFrame()->PrepareForCommit();
   EXPECT_TRUE(contents()->cross_navigation_pending());
   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);
+  contents()->TestDidNavigate(rfh2, 1, entry_id, true, kUrl2,
+                              ui::PAGE_TRANSITION_TYPED);
   EXPECT_FALSE(contents()->cross_navigation_pending());
   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.
@@ skipping 16 matching lines @@
   RenderFrameHostDeletedObserver rfh_deleted_observer(rfh1);
   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());
+  int entry_id = controller().GetPendingEntry()->GetUniqueID();
   rfh1->PrepareForCommit();
   EXPECT_TRUE(contents()->cross_navigation_pending());
   TestRenderFrameHost* rfh2 = contents()->GetPendingMainFrame();
 
   // The new page commits.
-  contents()->TestDidNavigate(rfh2, 1, kUrl2, ui::PAGE_TRANSITION_TYPED);
+  contents()->TestDidNavigate(rfh2, 1, entry_id, true, kUrl2,
+                              ui::PAGE_TRANSITION_TYPED);
   EXPECT_FALSE(contents()->cross_navigation_pending());
   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.
@@ skipping 230 matching lines @@
   EXPECT_FALSE(contents2->GetMainFrame()->IsRenderFrameLive());
   contents2->NavigateAndCommit(kUrl3);
   EXPECT_TRUE(contents2->GetMainFrame()->IsRenderFrameLive());
   EXPECT_NE(nullptr,
             iframe->GetRenderFrameProxyHost(contents1->GetSiteInstance()));
   EXPECT_EQ(nullptr,
             iframe->GetRenderFrameProxyHost(contents2->GetSiteInstance()));
 }
 
 }  // namespace content