Fix comment that described an earlier version of the code.

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 "base/bind.h"
 #include "base/strings/stringprintf.h"
 #include "content/browser/frame_host/frame_tree.h"
 #include "content/browser/frame_host/navigation_controller_impl.h"
 #include "content/browser/frame_host/navigation_entry_impl.h"
 #include "content/browser/web_contents/web_contents_impl.h"
@@ skipping 56 matching lines @@
 
   EXPECT_EQ(controller.GetEntryCount(), kMaxEntryCount);
 
   // Navigate twice more more.
   for (int url_index = kMaxEntryCount;
        url_index < kMaxEntryCount + 2; ++url_index) {
     GURL url(base::StringPrintf("data:text/html,page%d", url_index));
     EXPECT_TRUE(NavigateToURL(shell(), url));
   }
 
-  // We expect http://www.a.com/0 and /1 to be gone.
+  // We expect page0 and page1 to be gone.
   EXPECT_EQ(kMaxEntryCount, controller.GetEntryCount());
   EXPECT_EQ(GURL("data:text/html,page2"),
             controller.GetEntryAtIndex(0)->GetURL());
 
   // Now try to go back. This should not hang.
   ASSERT_TRUE(controller.CanGoBack());
   controller.GoBack();
   EXPECT_TRUE(WaitForLoadStop(shell()->web_contents()));
 
   // This should have successfully gone back.
@@ skipping 155 matching lines @@
         embedded_test_server()->GetURL("/frame_tree/2-3.html"));
     NavigateFrameToURL(root->child_at(0), frame_url);
     capturer.Wait();
     EXPECT_EQ(ui::PAGE_TRANSITION_MANUAL_SUBFRAME,
               capturer.params().transition);
     EXPECT_EQ(NAVIGATION_TYPE_NEW_SUBFRAME, capturer.details().type);
   }
 }
 
 }  // namespace content