Fix the replaceState-while-pending tests to check to see that the pending entry isn't affected.

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 2894 matching lines @@
   // Start with one page.
   EXPECT_TRUE(NavigateToURL(shell, start_url));
 
   // Have the user decide to go to a different page which is very slow.
   NavigationStallDelegate stall_delegate(stalled_url);
   ResourceDispatcherHost::Get()->SetDelegate(&stall_delegate);
   controller.LoadURL(
       stalled_url, Referrer(), ui::PAGE_TRANSITION_LINK, std::string());
 
   // That should be the pending entry.
-  NavigationEntryImpl* entry = controller.GetPendingEntry();
-  ASSERT_NE(nullptr, entry);
-  EXPECT_EQ(stalled_url, entry->GetURL());
+  NavigationEntryImpl* original_pending_entry = controller.GetPendingEntry();
+  ASSERT_NE(nullptr, original_pending_entry);
+  EXPECT_EQ(stalled_url, original_pending_entry->GetURL());
 
   {
     // Now the existing page uses history.replaceState().
     FrameNavigateParamsCapturer capturer(root);
     capturer.set_wait_for_load(false);
     std::string script =
         "history.replaceState({}, '', '" + replace_state_filename + "')";
     EXPECT_TRUE(content::ExecuteScript(root->current_frame_host(), script));
     capturer.Wait();
 
     // The fact that there was a pending entry shouldn't interfere with the
     // classification.
     EXPECT_EQ(NAVIGATION_TYPE_EXISTING_PAGE, capturer.details().type);
     EXPECT_TRUE(capturer.details().is_in_page);
+
+    // That should not have affected the pending entry.
+    NavigationEntryImpl* pending_entry = controller.GetPendingEntry();
+    EXPECT_EQ(original_pending_entry, pending_entry);
   }
 
   ResourceDispatcherHost::Get()->SetDelegate(nullptr);
 }
 
 }  // namespace
 
 IN_PROC_BROWSER_TEST_F(
     NavigationControllerBrowserTest,
     NavigationTypeClassification_On1InPageToXWhile2Pending) {
@@ skipping 572 matching lines @@
   observer.Wait();
 
   EXPECT_EQ(3, controller.GetEntryCount());
   EXPECT_EQ(3, RendererHistoryLength(shell()));
   EXPECT_EQ(0, controller.GetLastCommittedEntryIndex());
 
   EXPECT_EQ(frame_url_1, frame->current_url());
 }
 
 }  // namespace content