Create a NavigationEntry for the initial blank page.

content/browser/web_contents/web_contents_impl_unittest.cc

 // Copyright (c) 2012 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/logging.h"
 #include "base/strings/utf_string_conversions.h"
 #include "content/browser/frame_host/cross_site_transferring_request.h"
 #include "content/browser/frame_host/interstitial_page_impl.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
@@ skipping 1408 matching lines @@
   EXPECT_FALSE(contents()->CrossProcessNavigationPending());
   EXPECT_EQ(pending_rfh, contents()->GetMainFrame());
   EXPECT_EQ(2, controller().GetEntryCount());
 }
 
 // Test that NavigationEntries have the correct page state after going
 // forward and back.  Prevents regression for bug 1116137.
 TEST_F(WebContentsImplTest, NavigationEntryContentState) {
   TestRenderFrameHost* orig_rfh = contents()->GetMainFrame();
 
-  // Navigate to URL.  There should be no committed entry yet.
+  // Navigate to URL.  There should only be the initial entry so far.
   const GURL url("http://www.google.com");
   controller().LoadURL(
       url, Referrer(), ui::PAGE_TRANSITION_TYPED, std::string());
   int entry_id = controller().GetPendingEntry()->GetUniqueID();
+  EXPECT_TRUE(controller().IsInitialNavigation());
   NavigationEntry* entry = controller().GetLastCommittedEntry();
-  EXPECT_EQ(nullptr, entry);
+  EXPECT_EQ(GURL(url::kAboutBlankURL), entry->GetURL());
 
   // Committed entry should have page state after DidNavigate.
   orig_rfh->PrepareForCommit();
   contents()->TestDidNavigate(orig_rfh, 1, entry_id, true, url,
                               ui::PAGE_TRANSITION_TYPED);
   entry = controller().GetLastCommittedEntry();
   EXPECT_TRUE(entry->GetPageState().IsValid());
 
   // Navigate to same site.
   const GURL url2("http://images.google.com");
@@ skipping 1929 matching lines @@
   backend->AllowCertForHost(*cert, test_url.host(), 1);
   EXPECT_TRUE(backend->HasAllowException(test_url.host()));
 
   contents()->OnDidLoadResourceFromMemoryCache(test_url, "", "GET", "mime type",
                                                RESOURCE_TYPE_MAIN_FRAME);
 
   EXPECT_TRUE(backend->HasAllowException(test_url.host()));
 }
 
 }  // namespace content