[page_load_metrics] Add a NavigationThrottle for richer abort metrics

content/browser/frame_host/navigation_controller_impl_browsertest.cc

 // Copyright 2014 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 "content/browser/frame_host/navigation_controller_impl.h"
 
 #include <stdint.h>
 #include <utility>
 
 #include "base/bind.h"
@@ skipping 1865 matching lines @@
   // 1. Create a iframe with a URL that doesn't commit.
   GURL slow_url(embedded_test_server()->GetURL(
       "/navigation_controller/simple_page_2.html"));
   TestNavigationManager subframe_delayer(shell()->web_contents(), slow_url);
   {
     std::string script = "var iframe = document.createElement('iframe');"
                          "iframe.src = '" + slow_url.spec() + "';"
                          "document.body.appendChild(iframe);";
     EXPECT_TRUE(ExecuteScript(root, script));
   }
-  subframe_delayer.WaitForWillStartRequest();
+  EXPECT_TRUE(subframe_delayer.WaitForWillStartRequest());
 
   // Stop the request so that we can wait for load stop below, without ending up
   // with a commit for this frame.
   shell()->web_contents()->Stop();
 
   // 2. A nested iframe with a cross-site URL should be able to commit.
   GURL foo_url(embedded_test_server()->GetURL(
       "foo.com", "/navigation_controller/simple_page_1.html"));
   {
     std::string script = "var iframe = document.createElement('iframe');"
@@ skipping 2170 matching lines @@
   std::string script = "document.getElementById('thelink').click()";
   EXPECT_TRUE(ExecuteScript(root, script));
   EXPECT_TRUE(WaitForLoadStop(shell()->web_contents()));
   EXPECT_EQ(2, controller.GetEntryCount());
   EXPECT_EQ(1, controller.GetLastCommittedEntryIndex());
 
   // Go back to the first page, which never completes. The attempt to unload the
   // second page, though, causes it to do a replaceState().
   TestNavigationManager manager(shell()->web_contents(), start_url);
   controller.GoBack();
-  manager.WaitForWillStartRequest();
+  EXPECT_TRUE(manager.WaitForWillStartRequest());
 
   // The navigation that just happened was the replaceState(), which should not
   // have changed the position into the navigation entry list. Make sure that
   // the pending navigation didn't confuse anything.
   EXPECT_EQ(1, controller.GetLastCommittedEntryIndex());
 }
 
 // Ensure the renderer process does not get confused about the current entry
 // due to subframes and replaced entries.  See https://crbug.com/480201.
 // TODO(creis): Re-enable for Site Isolation FYI bots: https://crbug.com/502317.
@@ skipping 897 matching lines @@
   controller.GoToOffset(-2);
   EXPECT_TRUE(WaitForLoadStop(shell()->web_contents()));
 
   EXPECT_EQ(0, controller.GetLastCommittedEntryIndex());
   EXPECT_EQ(url_a, root->current_url());
   EXPECT_EQ(frame_url_a1, root->child_at(0)->current_url());
 
   // Go forward two times in a row, being careful that the subframe commits
   // after the second forward navigation begins but before the main frame
   // commits.
-  TestNavigationManager subframe_delayer(
+  FrameTestNavigationManager subframe_delayer(
       root->child_at(0)->frame_tree_node_id(), shell()->web_contents(),
       frame_url_a2);
   TestNavigationManager mainframe_delayer(shell()->web_contents(), url_b);
   controller.GoForward();
-  subframe_delayer.WaitForWillStartRequest();
+  EXPECT_TRUE(subframe_delayer.WaitForWillStartRequest());
   controller.GoForward();
-  mainframe_delayer.WaitForWillStartRequest();
+  EXPECT_TRUE(mainframe_delayer.WaitForWillStartRequest());
   EXPECT_EQ(2, controller.GetPendingEntryIndex());
 
   // Let the subframe commit.
   subframe_delayer.WaitForNavigationFinished();
   EXPECT_EQ(1, controller.GetLastCommittedEntryIndex());
   EXPECT_EQ(url_a, root->current_url());
   EXPECT_EQ(frame_url_a2, root->child_at(0)->current_url());
 
   // Let the main frame commit.
   mainframe_delayer.WaitForNavigationFinished();
@@ skipping 22 matching lines @@
 IN_PROC_BROWSER_TEST_F(NavigationControllerBrowserTest,
                        AbortProvisionalLoadRetainsNavigationParams) {
   EXPECT_TRUE(
       NavigateToURL(shell(), embedded_test_server()->GetURL("/title1.html")));
   EXPECT_TRUE(
       NavigateToURL(shell(), embedded_test_server()->GetURL("/title2.html")));
 
   TestNavigationManager delayer(shell()->web_contents(),
                                 embedded_test_server()->GetURL("/title3.html"));
   shell()->LoadURL(embedded_test_server()->GetURL("/title3.html"));
-  delayer.WaitForWillStartRequest();
+  EXPECT_TRUE(delayer.WaitForWillStartRequest());
 
   NavigationController& controller = shell()->web_contents()->GetController();
 
   TestNavigationManager back_manager(
       shell()->web_contents(), embedded_test_server()->GetURL("/title1.html"));
   controller.GoBack();
   back_manager.WaitForNavigationFinished();
 
   EXPECT_TRUE(controller.CanGoForward());
   EXPECT_EQ(0, controller.GetCurrentEntryIndex());
@@ skipping 554 matching lines @@
   if (SiteIsolationPolicy::UseSubframeNavigationEntries()) {
     EXPECT_EQ(1U, nav_entry->root_node()->children.size());
     EXPECT_EQ(tree_node, nav_entry->root_node()->children[0]);
   }
 
   EXPECT_TRUE(ExecuteScript(root, kRemoveFrameScript));
   EXPECT_EQ(0U, root->child_count());
 }
 
 }  // namespace content