Remove dead DocumentState metrics tracking code

content/browser/frame_host/navigation_entry_impl.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 "content/browser/frame_host/navigation_entry_impl.h"
 
 #include <stddef.h>
 
 #include <queue>
 #include <utility>
@@ skipping 722 matching lines @@
     current_offset_to_send = -1;
     current_length_to_send = 0;
   }
 
   bool user_gesture = false;
 #if defined(OS_ANDROID)
   user_gesture = has_user_gesture();
 #endif
   RequestNavigationParams request_params(
       GetIsOverridingUserAgent(), redirects, GetCanLoadLocalResources(),
-      base::Time::Now(), frame_entry.page_state(), GetUniqueID(),
-      is_same_document_history_load, is_history_navigation_in_new_child,
-      subframe_unique_names, has_committed_real_load, intended_as_new_entry,
-      pending_offset_to_send, current_offset_to_send, current_length_to_send,
-      IsViewSourceMode(), should_clear_history_list(), user_gesture);
+      frame_entry.page_state(), GetUniqueID(), is_same_document_history_load,
+      is_history_navigation_in_new_child, subframe_unique_names,
+      has_committed_real_load, intended_as_new_entry, pending_offset_to_send,
+      current_offset_to_send, current_length_to_send, IsViewSourceMode(),
+      should_clear_history_list(), user_gesture);
 #if defined(OS_ANDROID)
   if (GetDataURLAsString() &&
       GetDataURLAsString()->size() <= kMaxLengthOfDataURLString) {
     // The number of characters that is enough for validating a data: URI.  From
     // the GURL's POV, the only important part here is scheme, it doesn't check
     // the actual content. Thus we can take only the prefix of the url, to avoid
     // unneeded copying of a potentially long string.
     const size_t kDataUriPrefixMaxLen = 64;
     GURL data_url(std::string(
         GetDataURLAsString()->front_as<char>(),
@@ skipping 198 matching lines @@
       return node;
 
     // Enqueue any children and keep looking.
     for (auto* child : node->children)
       work_queue.push(child);
   }
   return nullptr;
 }
 
 }  // namespace content