[update_engine] Update to use not-hideously-old logging API from chrome

tarjan.cc

 // Copyright (c) 2010 The Chromium OS 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 <algorithm>
 #include <vector>
-#include "chromeos/obsolete_logging.h"
+#include "base/logging.h"
 #include "update_engine/tarjan.h"
 #include "update_engine/utils.h"
 
 using std::min;
 using std::vector;
 
 namespace chromeos_update_engine {
 
 namespace {
 const vector<Vertex>::size_type kInvalidIndex = -1;
@@ skipping 43 matching lines @@
       
     if (utils::VectorContainsValue(component, required_vertex_)) {
       components_.resize(components_.size() + 1);
       component.swap(components_.back());
     }
   }
 }
 
 }  // namespace chromeos_update_engine