Classify navigations without page id in parallel to the existing classifier.

content/browser/frame_host/navigation_entry_impl.h

 // 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.
 
 #ifndef CONTENT_BROWSER_FRAME_HOST_NAVIGATION_ENTRY_IMPL_H_
 #define CONTENT_BROWSER_FRAME_HOST_NAVIGATION_ENTRY_IMPL_H_
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_vector.h"
@@ skipping 113 matching lines @@
   // tab) and one that draws them from a different pool (for use in a new tab).
   NavigationEntryImpl* Clone() const;
 
   // Helper functions to construct NavigationParameters for a navigation to this
   // NavigationEntry.
   CommonNavigationParams ConstructCommonNavigationParams(
       FrameMsg_Navigate_Type::Value navigation_type) const;
   StartNavigationParams ConstructStartNavigationParams() const;
   RequestNavigationParams ConstructRequestNavigationParams(
       base::TimeTicks navigation_start,
+      bool intended_as_new_entry,
       int pending_offset_to_send,
       int current_offset_to_send,
       int current_length_to_send) const;
 
   // Once a navigation entry is committed, we should no longer track several
   // pieces of non-persisted state, as documented on the members below.
   void ResetForCommit();
 
   // Exposes the tree of FrameNavigationEntries that make up this joint session
   // history item.
@@ skipping 286 matching lines @@
   // persisted, unless specific data is taken out/put back in at save/restore
   // time (see TabNavigation for an example of this).
   std::map<std::string, base::string16> extra_data_;
 
   DISALLOW_COPY_AND_ASSIGN(NavigationEntryImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_FRAME_HOST_NAVIGATION_ENTRY_IMPL_H_