Fix license headers in a number of files

webkit/tools/test_shell/test_navigation_controller.cc

-// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
+// 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 "webkit/tools/test_shell/test_navigation_controller.h"
 
 #include "base/logging.h"
 #include "webkit/tools/test_shell/test_shell.h"
 
 // ----------------------------------------------------------------------------
 // TestNavigationEntry
@@ skipping 209 matching lines @@
   } else {
     DiscardPendingEntry();
   }
 }
 
 void TestNavigationController::UpdateMaxPageID() {
   TestNavigationEntry* entry = GetActiveEntry();
   if (entry)
     max_page_id_ = std::max(max_page_id_, entry->GetPageID());
 }