Don't create pending entries when a navigation is initiated by the page.

chrome/browser/tab_contents/tab_contents.h

 // Copyright (c) 2010 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 CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #pragma once
 
 #include "build/build_config.h"
 
@@ skipping 800 matching lines @@
   // Saves the given title to the navigation entry and does associated work. It
   // will update history and the view for the new title, and also synthesize
   // titles for file URLs that have none (so we require that the URL of the
   // entry already be set).
   //
   // This is used as the backend for state updates, which include a new title,
   // or the dedicated set title message. It returns true if the new title is
   // different and was therefore updated.
   bool UpdateTitleForEntry(NavigationEntry* entry, const std::wstring& title);
 
+  // Causes the TabContents to navigate in the right renderer to |entry|, which
+  // must be already part of the entries in the navigation controller.
+  // This does not change the NavigationController state.
+  bool NavigateToEntry(const NavigationEntry& entry,
+                       NavigationController::ReloadType reload_type);
+
   // Misc non-view stuff -------------------------------------------------------
 
   // Helper functions for sending notifications.
   void NotifySwapped();
   void NotifyConnected();
   void NotifyDisconnected();
 
   // If params has a searchable form, this tries to create a new keyword.
   void GenerateKeywordIfNecessary(
       const ViewHostMsg_FrameNavigate_Params& params);
@@ skipping 432 matching lines @@
   bool displaying_pdf_content_;
 
   scoped_ptr<MatchPreview> match_preview_;
 
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_